Ama-Antenna okusakaza e-FM

I-antenna yokusakaza ye-FM iyisisetshenziswa sikagesi esisetshenziselwa ukudlulisa isignali yefrikhwensi yomsakazo phezu kohlu oluthile lwamaza. Isetshenziswa kakhulu ekusakazeni umculo, izindaba, ezemidlalo, nokunye ukuhlela eziteshini zomsakazo we-FM. I-antenna ngokwayo ngokuvamile yenziwe ngensimbi futhi yakhelwe ukuthi iqonde phezulu futhi ibekwe phezulu ngaphezu komhlabathi ukuze kwandiswe amandla esignali nokumboza.
 
Izingxenye zikagesi ze-antenna yokusakaza ye-FM zisebenza ngokuguqula igagasi elishintshayo libe inkambu kazibuthe kagesi, ephuma othini. I-antenna ngokwayo ixhunywe kusidlulisi, esikhiqiza isignali kagesi esakazwa ngothi kanye nendawo ezungezile. Isiginali ingathathwa abemukeli bomsakazo we-FM, abasebenzisa izimpondo ezingokwazo ukwamukela nokunquma isignali.
 
Amanye amagama afanayo e-antenna yokusakaza ye-FM yilezi:
 

  • I-antenna yokudlulisela i-FM
  • I-antenna yokusakaza ngomsakazo
  • I-antenna yomsakazo we-FM
  • Umbhoshongo wokudlulisa
  • I-radio mast
  • Umbhoshongo we-antenna
  • Umbhoshongo womsakazo
  • Umbhoshongo wokuxhumana
  • Umbhoshongo wokusakaza
  • Umbhoshongo wokusakaza womsakazo

 

I-antenna yokusakaza ye-FM iyingxenye ebalulekile yanoma yisiphi isiteshi somsakazo. Umsebenzi wawo oyinhloko ukudlulisa isignali yomsakazo isuka kumshicileli wesiteshi iye endaweni ezungezile, okuvumela abalaleli abakuleyo ndawo ukuba bathole isiginali futhi bacule izinhlelo zesiteshi.
 
I-antenna yokusakaza yekhwalithi ephezulu ye-FM ibaluleke kakhulu esiteshini sokusakaza esikhokhelwayo ngoba ithinta ngqo ikhwalithi nokuqina kwesiginali esakazwayo. I-antenna eklanywe kahle futhi efakwe kahle ingasiza ekuqinisekiseni ukuthi isignali isatshalaliswa ngokulinganayo endaweni ebanzi futhi ayikho ngaphansi kokuphazamiseka noma ezinye izinkinga ezingabangela ukuwohloka noma ukulahlekelwa kwesignali.
 
Ngaphezu kwalokho, i-antenna yokusakaza yekhwalithi ephezulu ye-FM ingasiza ekuqinisekiseni ukuthotshelwa kwezidingo zokulawula zamandla esignali nendawo ekhavayo, futhi ingathuthukisa idumela lesiteshi kanye nokumakethwa ngokunikeza isignali yokusakaza ethembekile nengaguquguquki.
 
Sekukonke, i-antenna yokusakaza ye-FM iyingxenye ebalulekile yohlelo lokusakazwa komsakazo we-FM, ukutshala imali ku-antenna yokusakaza ye-FM esezingeni eliphezulu kubalulekile kunoma yisiphi isiteshi sokusakaza esiphrofeshinali esifuna ukuhlinzeka ngenkonzo esezingeni eliphezulu nethembekile kubalaleli baso.
 
I-FMUSER inikezela ngenqwaba yezimpondo ze-FM ezithengekayo nezithengiswa kakhulu, okuhlanganisa izimpondo eziyisiyingi ne-elliptical polarization FM, izimpondo ze-dipole FM, kanye nenhlanganisela yemikhiqizo ehlukahlukene yezimpondo ze-FM. Lawa ma-antenna ayimikhiqizo ewumgogodla kusixazululo sethu sokusakaza i-FM.
 
Ama-antenna ethu e-dipole enziwe nge-aluminium, ithusi, namashubhu ethusi, futhi afaka isici sokushayela phakathi nendawo. Akhiwe ngama-conductor amabili ensimbi wenduku, i-parallel ne-collinear enebanga elincane phakathi kwawo. Ama-Dipoles asetshenziswa kakhulu kukho kokubili ukudluliswa komsakazo kanye nezicelo zokwamukela.
 
Ukwengeza, izimpondo zethu eziyisiyingi ezihlukanisiwe azisindi futhi ziyabiza, okuzenza zibe ukukhetha okudumile ekuxhumaneni okungenantambo. Zinamandla okudlulisa isignali yomsindo ezinzile futhi zingafakwa futhi zisetshenziswe kalula. Uchungechunge lwethu lwe-antenna ye-FM luhlanganisa imikhiqizo enezindlela ezihlukahlukene zokuhlukanisa, kusukela ku-1 kuye ku-8 izendlalelo, futhi ingabhangqwa nama-FM transmitters asuka ku-0.1W kuya ku-10kW.
 
Izimpondo zethu ze-FM zinikeza ukusebenza okuhle kakhulu kanye nokusebenza ngempumelelo kwezindleko, okuwenza intandokazi phakathi kwabathandi bomsakazo we-FM, onjiniyela bomsakazo we-FM, namanye amaqembu angochwepheshe. Zibuye zisetshenziswe kakhulu ezigcawini zokusakaza ze-FM zomphakathi, njengamasinema wokushayela, izinkonzo zesonto zokushayela, ukuhlolwa kokutholwa kwe-nucleic acid, ukuphawula kwezemidlalo okuhlukahlukene, kanye nemicimbi yomphakathi emincane.
 
Khetha i-FMUSER ukuze uthole izinti ze-FM ezithengekayo nezithembekile ezihlangabezana nazo zonke izidingo zakho zokusakaza.

Yiziphi izinhlaka ze-antenna yokusakaza ye-FM?
I-antenna evamile yokusakaza ye-FM iqukethe izici ezimbalwa ezibalulekile zesakhiwo. Lokhu kungase kuhlanganise okulandelayo:

1. Isakhiwo sokusekela: Lona umbhoshongo oyinhloko noma insika esekela uthi futhi uyigcine iphezulu. Ngokuvamile yenziwe ngezinto eziqinile ezifana nensimbi futhi ingaba ngamamitha ambalwa ubude.

2. Izinto ze-antenna: Lezi yizinduku zensimbi noma izintambo ezakha isici sokudlulisa sangempela sothi. Ahlelwe ngephethini ethile ukuze kuthuthukiswe amandla esignali nokumbozwa.

3. Umugqa wempendulo: Lena ikhebula ethwala isignali kagesi isuka kusidluliseli iye othini. Ivamise ukwenziwa ngekhebula le-coaxial, elinesivikelo esiphezulu ukuvimbela ukuphazamiseka kwezinye izimpawu.

4. I-Balun: Lena idivayisi efana nesithiyo somugqa wokuphakelayo naleyo yothi, okuvumela ukudluliswa kwesignali okuphumelelayo kanye nokunciphisa ukulahleka kwesignali.

5. Uhlelo lokubeka phansi: Leli iqoqo lezinti zensimbi noma izintambo ezigqitshwe emhlabathini eduze kombhoshongo wezinti. Isiza ukumisa uthi bese unciphisa ingozi yokushaywa kombani noma ezinye izingozi zikagesi.

6. Ulayini wokudlulisela: Lena ikhebula elixhuma uthi lwe-antenna kusikhulisamandla esidlulisa amandla. Ivamise ukwenziwa ngocingo lwethusi olunamandla aphezulu noma ikhebula le-coaxial, futhi ingaba ngamamitha ambalwa ubude.

Ndawonye, ​​lezi zici zisebenza ndawonye ukuze kwakhiwe uthi lwe-FM olunamandla futhi olusebenza kahle olungadlulisela amasignali omsakazo ezindaweni ezikude kanye nakubabukeli abaningi.
Ungalufaka kanjani i-antenna yomsakazo we-FM embhoshongweni womsakazo?
Inqubo yokufaka i-antenna yokusakaza ye-FM embhoshongweni womsakazo ngokuvamile ihilela izinyathelo ezimbalwa, kuhlanganise nalezi ezilandelayo:

1. Ukulungiswa kwendawo: Ngaphambi kokuthi inqubo yokufaka iqale, indawo kufanele ihlolwe futhi ilungiswe ukuze kuqinisekiswe ukuthi izinzile, ivikelekile, futhi iyahlangabezana nemithethonqubo edingekayo kanye nezidingo zokuphepha.

2. Ukuhlolwa kombhoshongo: Isakhiwo sombhoshongo kufanele sihlolwe ukuze kuqinisekiswe ukuthi izinzile futhi singakwazi ukusekela ngokuphephile isisindo kanye nomthwalo womoya we-antenna nezingxenye zekhebula.

3. Ukufakwa kwe-antenna: Izakhi ze-antenna zinamathiselwe esakhiweni sokusekela sombhoshongo futhi ziqondaniswe ngokucophelela ngokuya ngemininingwane yomkhiqizi nanoma yiziphi izidingo zokulawula.

4. Ukufakwa kwekhebula: Ulayini wokuphakelayo kanye nolayini wokudlulisa ufakiwe futhi unamathiselwe ngokuvikelekile kumbhoshongo nezakhi ze-antenna, kuqikelelwa ukusebenzisa izinto ezisezingeni eliphezulu nezindlela zokuphatha ikhebula ezifanele.

5. Ukufakwa kwe-Balun: I-balun ifakiwe futhi inamathiselwe ngokuvikelekile kumugqa wokuphakelayo, iqinisekisa ukuthi ifaniswe kahle nokuvinjwa kwezakhi ze-antenna.

6. Ukufakwa kwesistimu yokubeka phansi: Uhlelo oluphansi lufakiwe futhi luxhunywe embhoshongweni nanoma yiziphi ezinye izindawo ezidingekayo zokusekela phansi, okuhlanganisa nesakhiwo somshini wokudlulisa umyalezo, ukuze kuqinisekiswe ukuthi uthi lubekwe kahle futhi luvikelekile ezingozini zikagesi.

Ngesikhathi senqubo yokufaka, kubalulekile ukulandela yonke imihlahlandlela yokuphepha efanele kanye nezidingo zokulawula, kanye nokusebenzisa izinto ezisezingeni eliphezulu nezindlela zokufaka ezifanele ukuze kuqinisekiswe ukwethembeka nokuphepha kohlelo lwe-antenna. Ukwengeza, kubalulekile ukuhlola nokugcinwa njalo kwesistimu ukuze kuqinisekiswe ukuthi iyaqhubeka nokusebenza ngempumelelo nangokuphepha ngokuhamba kwesikhathi.
Yiziphi izinhlobo ezijwayelekile zombhoshongo womsakazo wokufakwa komsakazo we-FM?
Kunezinhlobo ezimbalwa zemibhoshongo yomsakazo engasetshenziselwa ukufaka i-antenna yokusakaza ye-FM, kufaka phakathi lokhu okulandelayo:

1. I-Guyed Towers: Lena imibhoshongo emide esebenzisa izintambo zabafana ukunikeza ukwesekwa okwengeziwe nokuzinza. Ngokuvamile zibiza kancane ukuzakha kunemibhoshongo ezisekelayo, kodwa zidinga indawo yokufaka ethe xaxa futhi kungaba nzima kakhulu ukuzifaka nokuyinakekela.

2. Imibhoshongo yokuzisekela: Le mibhoshongo iklanyelwe ukuthi izimele futhi incike ebuhleni bayo besakhiwo ukusekela uthi nezinye izinto. Angabiza kakhulu ukuwakha kunemibhoshongo enemibhoshongo, kodwa adinga indawo encane yokufaka futhi kungaba lula ukuyifaka nokuyinakekela.

3. Ama-Monopoles: Lezi yizakhiwo zesigxobo esisodwa ezivame ukusetshenziswa ezindaweni zasemadolobheni noma ezisemadolobheni lapho isikhala silinganiselwe. Ngokuvamile zibiza kancane kunemibhoshongo ezisekelayo kodwa zingaba nemikhawulo ephansi yokuphakama namandla okuthwala umthwalo.

4. Imibhoshongo yamanzi: Kwezinye izimo, imibhoshongo yamanzi ingasetshenziswa njengesakhiwo sokusekela ama-antenna omsakazo we-FM. Angabiza kancane kunezinye izinhlobo zemibhoshongo, kodwa angadinga ukuguqulwa okubalulekile ukuze kusekelwe isisindo esingeziwe kanye nomthwalo womoya.

Inani lezinhlobo zemibhoshongo yomsakazo liyahlukahluka kuye ngezinto ezihlukene, kodwa izinhlobo ezibalwe ngenhla yizona ezivame kakhulu.

Mayelana nokukhiqiza amanani, ukwakheka, ukumisa, ukuphakama, ukuvumela izikhala zokufakwa kwe-antenna yokusakaza ye-FM, usayizi, kanye nezitifiketi ezidingekayo zokufakwa kwe-antenna, lezi zici ziyahlukahluka kuye ngohlobo lombhoshongo nemithetho yendawo. Ngokuvamile, imibhoshongo ezisekela yona kanye nama-monopoles zibiza kakhulu kunemibhoshongo enezinsizwa, kodwa zidinga indawo encane yokufaka futhi zingase zibe namandla aphezulu okuthwala. Ukuphakama kombhoshongo kunqunywa indawo ehlosiwe yokuhlanganisa kanye nemithethonqubo yokuklama endaweni. Izidingo zesikhala sokufakwa zingahluka kakhulu ngohlobo lombhoshongo futhi zingase zilawulwe amakhodi okwakha endawo. Izidingo zesitifiketi zokufakwa kwe-antenna nazo zingahluka ngendawo futhi zingabandakanya kokubili isitifiketi sobunjiniyela besakhiwo kanye nesitifiketi sobunjiniyela bukagesi.

Mayelana nokwakhiwa kombhoshongo, imibhoshongo eyakhiwe ngokwayo ingaba inketho yezinhlelo zokusebenza zesilinganiso esincane, kodwa inkampani yokufaka umbhoshongo ochwepheshe ngokuvamile iyanconywa ukuze kufakwe izinto ezinkulu. Ukuqasha umbhoshongo nakho kungase kube inketho, kuye ngezidingo zomsakazi kanye nokuba khona kwezakhiwo zombhoshongo ezifanele endaweni.
Zingaki izinhlobo zama-antenna omsakazo we-FM akhona ngokususelwa ezindleleni ze-polarization

I-antenna ye-FM

I-slot antenna wuhlobo lwe-antenna eqondisayo efaneleka kakhulu ukusetshenziswa ezindaweni lapho kukhona isignali eqinile. I-antenna isebenza ngokwakha i-slot endaweni yokuqhuba, futhi usayizi we-slot kanye nokwakheka kunquma ukusabela kwemvamisa yothi. Ama-slot antenna ane-polarization eqondile futhi ayaqondisa, okusho ukuthi adinga ukukhonjwa lapho isidluliseli. Ngokuvamile zisetshenziselwa izicelo zamandla aphakathi nendawo ukuya phezulu.

Izimpondo ze-FM ziwuhlobo lwe-antenna yesicaba esetshenziselwa ukusakaza nokwamukela umsakazo we-FM. Basebenza ngokudlulisa nokwamukela amasignali omsakazo ngembobo yensimbi. Izinzuzo zama-slot antenna zifaka phakathi ukwakheka kwephrofayili ephansi kanye nomkhawulokudonsa obanzi. Ukungalungi kuhlanganisa inzuzo yabo elinganiselwe kanye nokufakwa kokuqondisa. Angasetshenziswa kukho kokubili ukulungiselelwa okukodwa kanye ne-multi-bay, futhi ngokuvamile axhunywe ngesixhumi sohlobo lwe-N-coax.

Imigomo Imininingwane
Izinzuzo
Ukuqondisa, umthamo wokubamba amandla aphezulu, ukwamukela umsindo ophansi
Okumbi
Ukuqondisa, kudinga ukuphokophela okunembayo, akukho ukuguquguquka ekushuneni kwefrikhwensi
Izinsiza kusebenza ziyadingeka Intambo ye-coaxial, ubakaki wokukhweza, isikhulisi se-RF
Ukucushwa kwe-Bay Ibhayi elilodwa kuphela
Uhlobo lwesixhumi se-Coax Thayipha N noma 7/16 DIN
imvamisa Range I-88-108 MHz
Amandla Okuphatha Ifinyelela ku-1 kW
Ukuqondiswa Ukuqondisa
I-Antenna Gain 6-8 dBi
Inani $ 500- $ 1,000
Ukwakheka Isicaba, unxande
Ukuphakama Kokufakwa 10-20 amamitha ngaphezu kwezinga lomhlabathi
Izicelo Sakaza umsakazo
Izidingo zokufaka
Kumele iqondiswe kahle, idinga umugqa ocacile wokubona kumthumeli
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-FM log periodic dipole array (LPDA)

I-log periodic dipole array (LPDA) iyi-antenna eqondisayo equkethe ama-elementi amaningi e-dipole ahlelwe ngendlela enikeza impendulo yobubanzi obubanzi. I-antenna yakhelwe ukuhlinzeka ukusebenza okuhle kuyo yonke i-spectrum ebanzi, okuyenza ilungele ukusetshenziswa ezimeni lapho kusetshenziswa amafrikhwensi amaningi. Ama-LPDA avame ukusetshenziswa ekusakazeni kanye nasezinhlelweni zomsakazo ezisafufusa.

I-FM log periodic dipole array wuhlobo lwe-antenna ye-FM eqondisayo esebenzisa uchungechunge lwama-dipoles ahambisanayo ahlelwe ngokulandelana okuthile ukuze kwakhe umkhawulokudonsa obanzi. Ayakwazi ukuhlinzeka ngenzuzo ephezulu kanye nokufakwa kokuqondisa, kodwa ayinkimbinkimbi kakhulu ukuklama nokufaka kunezinye izinhlobo zezimpondo ze-FM. Ngokuvamile zisetshenziswa ekucushweni kwe-single bay futhi zidinga okokusebenza okukhethekile ukuze kufakwe futhi kufakwe.

Imigomo Imininingwane
Izinzuzo Ibanga lefrikhwensi elibanzi, eliqondisayo
Okumbi Ukuqondisa, kudinga inhloso enembile
Izinsiza kusebenza ziyadingeka Intambo ye-coaxial, ubakaki wokukhweza, isikhulisi se-RF
Ukucushwa kwe-Bay I-Multi-bay
Uhlobo lwesixhumi se-Coax Thayipha N noma 7/16 DIN
imvamisa Range I-85-170 MHz
Amandla Okuphatha Ifinyelela ku-1 kW
Ukuqondiswa Ukuqondisa
I-Antenna Gain 8-10 dBi
Inani $ 1,000- $ 3,000
Ukwakheka Izinhlobo zama-dipoles
Ukuphakama Kokufakwa 20-30 amamitha ngaphezu kwezinga lomhlabathi
Izicelo Sakaza umsakazo, umsakazo wenganekwane
Izidingo zokufaka
Kumele iqondiswe kahle, idinga umugqa ocacile wokubona kumthumeli
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-FM Discone Antenna

Ama-antenna e-FM Discone awuhlobo lwe-broadband antenna engasetshenziselwa ukusakaza nokwamukela umsakazo we-FM. Basebenza ngokuhlanganisa i-dipole eyenziwe mpo nezinto ezimise okwe-disc ukuze zenze impendulo ebanzi. Izinzuzo zama-antenna e-Discone zifaka phakathi i-bandwidth yawo ebanzi kanye nokumbozwa kwe-omnidirectional. Ukungalungi kuhlanganisa ukuzuza kwabo okulinganiselwe kanye nokuba sengozini yokuphazamiseka kwemvelo. Ngokuvamile zisetshenziswa ekucushweni kwe-single bay futhi zixhunywe ngesixhumi se-BNC noma se-N-type coax.

I-FM Helical Antenna

Ama-antenna e-FM Helical awuhlobo lwe-compact cylindrical antenna esetshenziselwa ukusakaza nokwamukela i-FM. Asebenza ngokudlulisa nokwamukela amasignali ngekhoyili ye-helical eshuniswe kububanzi obuthile bohlobo lwamafrikhwensi. Izinzuzo zezimpondo ze-helical zifaka usayizi wazo ohlangene, ukumbozwa kokuqondisa, kanye nekhono lokuhlinzeka ngenzuzo ephezulu. Okubi kuhlanganisa umkhawulokudonsa wabo olinganiselwe kanye nokuba sengozini yokuphazamiseka. Ngokuvamile zisetshenziswa ekulungiselelweni kwe-bay eyodwa futhi zixhunywe ngesixhumi se-BNC noma se-SMA coax.

I-helical antenna wuhlobo lwe-antenna eqondisayo emise okwe-helix. I-antenna isebenzisa i-helical conductor ukuze idale isignali ene-polarized circular, eyenza ifaneleke ukusetshenziswa ezimeni lapho amasignali omsakazo kudingeka adluliselwe ebangeni elide. Ama-antenna ama-Helical avame ukusetshenziswa ezinhlelweni zokuxhumana zomsakazo.

Imigomo Imininingwane
Izinzuzo I-Directional, i-circularly polarized
Okumbi Ukuzuza okuphansi, usayizi omkhulu
Izinsiza kusebenza ziyadingeka Intambo ye-coaxial, ubakaki wokukhweza, isikhulisi se-RF
Ukucushwa kwe-Bay Ibhayi elilodwa kuphela
Uhlobo lwesixhumi se-Coax Thayipha N noma 7/16 DIN
imvamisa Range I-100-900 MHz
Amandla Okuphatha Ifinyelela ku-1 kW
Ukuqondiswa Ukuqondisa
I-Antenna Gain 5-8 dBi
Inani $ 100- $ 500
Ukwakheka I-Helically wire wire
Ukuphakama Kokufakwa 15-25 amamitha ngaphezu kwezinga lomhlabathi
Izicelo Izinhlelo zokuxhumana ngomsakazo
Izidingo zokufaka
Kumele iqondiswe kahle, idinga umugqa ocacile wokubona kumthumeli
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-antenna yomsakazo we-FM yemoto enephedi yokumunca

Ama-antenna omsakazo we-FM ezimotweni ngokuvamile amancane, ama-antenna aphathwayo anamathela kwi-windshield yemoto noma kwezinye izindawo kusetshenziswa inkomishi yokumunca. Basebenza ngokuthola amasignali omsakazo bese bewadlulisela kumasamukeli omsakazo wemoto. Izinzuzo zezinti zemoto eziphathwayo zifaka phakathi ukusetshenziswa kwazo kalula nezindleko eziphansi. Ukungalungi kuhlanganisa ukuzuza kwabo okuphansi kanye nokuba sengozini yokuphazamiseka. Ngokuvamile axhunywe ngentambo ye-coax ngesixhumi esivamile somsakazo wemoto.

I-antenna yomsakazo we-FM yemoto wuthi oluncane, oluhamba yonke indawo oluklanyelwe ukugxunyekwa kwi-windshield yemoto kusetshenziswa i-suction pad. I-antenna ngokuvamile isetshenziselwa ukuthuthukisa ukwamukelwa kweziteshi zomsakazo we-FM ngenkathi ushayela.

Imigomo Imininingwane
Izinzuzo Iyaphatheka, kulula ukuyifaka, izindleko eziphansi
Okumbi Ukuzuza okuphansi, ububanzi obulinganiselwe befrikhwensi
Izinsiza kusebenza ziyadingeka None
Ukucushwa kwe-Bay Ibhayi elilodwa kuphela
Uhlobo lwesixhumi se-Coax Isixhumi sohlobo lwe-F
imvamisa Range I-88-108 MHz
Amandla Okuphatha Kuze ku-50 W
Ukuqondiswa I-Omnidirectional
I-Antenna Gain 1-2 dBi
Inani $ 10- $ 50
Ukwakheka I-antenna encane yesiswebhu enephedi yokumunca ukuze ifakwe
Ukuphakama Kokufakwa Igibele kwi-windshield yemoto
Izicelo Ukwamukela umsakazo we-FM okuthuthukisiwe ngenkathi ushayela
Izidingo zokufaka None
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-antenna ye-FM

Izimpondo ze-dipole FM ziwuhlobo lwe-omnidirectional FM antenna esebenzisa izinduku ezimbili ezifanayo noma izintambo ukwamukela noma ukudlulisa amasignali ngendlela elinganayo yalolu hlobo. Ama-antenna e-Dipole alula futhi anezindleko eziphansi, nakuba inzuzo yawo ingaba nomkhawulo. Axhunywe ngekhebula le-coaxial ngesixhumi esijwayelekile esingu-75 Ohm.

I-antenna ye-FM iwuthi oludumile olusetshenziselwa ukwamukela umsakazo we-FM. I-antenna iqukethe amakhondaktha amabili, ikota ngayinye ubude begagasi ubude, iqonde komunye nomunye. Lokhu kunikeza ukumbozwa okuhle kwe-omnidirectional, futhi i-antenna ayinazwelo ku-polarity yesiginali engenayo.

Imigomo Imininingwane
Izinzuzo
Ukufakwa okuhle kwe-omnidirectional, kulula ukukufaka, izindleko eziphansi
Okumbi Inzuzo ephansi kunezimpondo eziqondisayo
Izinsiza kusebenza ziyadingeka Intambo ye-coaxial, ubakaki okhuphukayo
Ukucushwa kwe-Bay Ibhayi elilodwa kuphela
Uhlobo lwesixhumi se-Coax Isixhumi sohlobo lwe-F
imvamisa Range I-88-108 MHz
Amandla Okuphatha Kuze ku-50 W
Ukuqondiswa I-Omnidirectional
I-Antenna Gain 2-4 dBi
Inani $ 10- $ 50
Ukwakheka
Izinduku ezimbili zensimbi noma izintambo eziqondiswe komunye nomunye
Ukuphakama Kokufakwa 10-20 amamitha ngaphezu kwezinga lomhlabathi
Izicelo Ukwamukela umsakazo we-FM wamakhaya, amahhovisi, nezimoto
Izidingo zokufaka None
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-FM i-antenna ene-polarized

Izimpondo ze-FM eziyindilinga ziwuhlobo lothi olusetshenziselwa izinhlelo zokusebenza ezikhethekile njengokuxhumana ngesathelayithi. Basebenza ngokukhiqiza iphethini yemisebe eyindilinga eyi-polarized, evumela ukwamukela isignali engcono kanye nokudluliselwa ezimweni ezithile. Izinzuzo zama-antenna ayisiyingi ahlanganisa ikhono lawo lokunciphisa ukuphazamiseka, ikhwalithi yesignali engcono, nobubanzi obunyukile. Ukungalungi kuhlanganisa izindleko zabo eziphezulu kanye nokufakwa okuyinkimbinkimbi. Ngokuvamile zisetshenziswa ekucushweni kwe-single bay futhi zixhunywe ngesixhumi sohlobo lwe-N-coax.

I-antenna eyindilinga iwuhlobo lwe-antenna ekhipha amasiginali ngephethini eyindilinga, ngokungafani nephethini yomugqa ye-dipole antenna. Lolu hlobo lwe-antenna luvame ukusetshenziswa ezimeni lapho kunezithiyo, njengoba iphethini eyindilinga ivumela ukungena kwesignali okungcono. Ama-antenna ayisiyingi ajwayele ukusetshenziswa ezinhlelweni zokuxhumana ngesathelayithi.

Imigomo Imininingwane
Izinzuzo Ukungena kwesignali okuhle, ububanzi befrikhwensi obuguquguqukayo
Okumbi Umklamo oyinkimbinkimbi, izindleko eziphezulu
Izinsiza kusebenza ziyadingeka Intambo ye-coaxial, ubakaki wokukhweza, isikhulisi se-RF
Ukucushwa kwe-Bay I-Multi-bay
Uhlobo lwesixhumi se-Coax Thayipha N noma 7/16 DIN
imvamisa Range I-87.5-108 MHz
Amandla Okuphatha Ifinyelela ku-5 kW
Ukuqondiswa I-Directional noma i-omnidirectional
I-Antenna Gain 4-12 dBi
Inani $ 500- $ 2,000
Ukwakheka Okumise okwekhoni okunezici eziyindilinga eziningi
Ukuphakama Kokufakwa 30-50 amamitha ngaphezu kwezinga lomhlabathi
Izicelo Ukuxhumana ngesathelayithi, umsakazo wokusakaza
Izidingo zokufaka
Kumele iqondiswe kahle, idinga umugqa ocacile wokubona kumthumeli
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-antenna ye-FM

Izimpondo ze-FM yagi ziwuhlobo lwe-antenna eqondisayo esetshenziselwa ukusakaza nokwamukela umsakazo we-FM. Basebenza ngokusebenzisa uchungechunge lwama-elementi angenzi lutho ahlelwe ngokucushwa okuthile ukuze bakhe ukumbozwa kokuqondisa kanye nenzuzo ephezulu. Izinzuzo zama-antenna e-yagi zifaka ukuzuza kwawo okuphezulu, ukumbozwa kokuqondisa, kanye nekhono lokunciphisa ukuphazamiseka. Ukungalungi kuhlanganisa umklamo wabo oyinkimbinkimbi kanye nezidingo zokukhuphuka. Ngokuvamile zisetshenziswa ekucushweni kwe-single bay futhi zixhunywe ngesixhumi sohlobo lwe-N-coax.

I-yagi antenna iyi-antenna eqondisayo enochungechunge lwezinto ezifakwe ku-boom yensimbi. Inenzuzo ephezulu kanye nokuzwela kokuqondisa, okuyenza idume ezinhlotsheni zezinhlelo zokusebenza. Ama-antenna e-Yagi asetshenziswa ekusakazweni komsakazo nethelevishini, kanye nasezinhlelweni zomsakazo ezisafunda.

Imigomo Imininingwane
Izinzuzo Ukuzuza okuphezulu, ukuzwela kokuqondisa
Okumbi Kufanele iqondiswe kahle, ibanga lemvamisa elilinganiselwe
Izinsiza kusebenza ziyadingeka Intambo ye-coaxial, ubakaki wokukhweza, isikhulisi se-RF
Ukucushwa kwe-Bay I-Single noma i-multi-bay
Uhlobo lwesixhumi se-Coax Thayipha N noma 7/16 DIN
imvamisa Range I-88-108 MHz
Amandla Okuphatha Ifinyelela ku-5 kW
Ukuqondiswa Ukuqondisa
I-Antenna Gain 10-15 dBi
Inani $ 100- $ 500
Ukwakheka I-Metal boom enochungechunge lwezakhi
Ukuphakama Kokufakwa 20-50 amamitha ngaphezu kwezinga lomhlabathi
Izicelo
Sakaza umsakazo, umsakazo wezimfundamakhwela, ukusakaza kumabonakude
Izidingo zokufaka
Kumele iqondiswe kahle, idinga umugqa ocacile wokubona kumthumeli
Maintenance Ukuhlanza nokuhlola ngezikhathi ezithile

I-antenna yendiza yaphansi ye-FM

Izimpondo zendiza ye-FM ziwuhlobo lwezimpondo ezisetshenziselwa ukusakaza nokwamukela umsakazo we-FM. Basebenza ngokuhlinzeka ngendiza ephansi kanye ne-radiator eqondile esebenza njenge-elementi ye-antenna. Izinzuzo zezimpondo zendiza yaphansi zihlanganisa ukumbozwa kwazo zonke izindawo kanye nokuzifaka kalula.

Ama-antenna endiza ephansi angaba yi-single bay noma i-multi-bay. Izimpondo ze-single bay ngokuvamile zihlangene kakhudlwana futhi kulula ukuzifaka, kuyilapho izimpondo eziningi zinikeza ukumbozeka okukhulu kanye nenzuzo ephezulu. Angaxhunywa ngesixhumi sohlobo lwe-N-coax futhi ngokuvamile abe nebanga lemvamisa elingu-88-108 MHz.

Ngokuphathelene nomthamo wokubamba amandla, okubhekisela enanini eliphezulu lamandla i-antenna engawaphatha ngaphandle kokulimala, kuzoncika kumodeli ethile nomkhiqizi. Iziqondiso zezimpondo zendiza ephansi ye-FM ngokuvamile ziyi-omni-directional, okusho ukuthi zingathola futhi zidlulisele amasignali kuzo zonke izinkomba.

Ukuzuza kwe-antenna, okubhekisela enanini lokukhulisa olunikezwa uthi, kuyahlukahluka kuye ngokuthi ukwakheka nosayizi wothi. Ama-antenna endiza ephansi ngokuvamile anenzuzo ephansi kunezimpondo eziqondisayo ezifana nezimpondo ze-yagi.

Amanani entengo yezimpondo zendiza ye-FM angasukela ku-$50-$200 kumamodeli e-single bay kanye no-$1000 noma ngaphezulu kumamodeli e-multi-bay. Ngokwesakhiwo, izimpondo zendiza ye-FM ngokuvamile ziqukethe irediyetha eqondile kanye nendiza ephansi yama-radial amaningana adlulela ngaphandle, akhe umumo wesambulela.

Ubude bokufaka nokusebenza kuzoncika ohlelweni oluthile nendawo lapho kusetshenziswa khona uthi. Ngokuvamile, izimpondo zendiza ephansi ye-FM kufanele zifakwe phezulu ngangokunokwenzeka ukuze kuqinisekiswe ukumbozwa okuphelele kanye nekhwalithi yesiginali.

Ama-antenna endiza ephansi angasetshenziselwa izinhlelo zokusebenza ezihlukahlukene, okuhlanganisa ukusakaza, ukuphepha komphakathi, nezinhlelo zokuxhumana zezentengiselwano. Izidingo zokufaka zizohluka ngokuya ngothi oluthile, kodwa ngokuvamile, kulula ukuzifaka.

Izidingo zokulungisa nokulungisa zizoncika kumodeli ethile nomkhiqizi. Kwezinye izimo, ukuhlanzwa ngezikhathi ezithile noma ukuhlolwa kungase kudingeke ukuze kuqinisekiswe ukusebenza okufanele. Uma kwenzeka umonakalo, ukulungiswa noma ukushintshwa kwezingxenye ezilimele kungase kudingeke.

Ungayehlukanisa kanjani i-antenna yokusakaza ye-FM eqondisayo ne-omni-directional?
Izimpondo eziqondisayo zomsakazo we-FM kanye nezimpondo zokusakaza ze-FM eziqondiswa yi-omni-directional zinokuhluka okuningana, okuhlanganisa nalokhu okulandelayo:

1. Ukuqondisa: Umehluko oyinhloko phakathi kwezinhlobo ezimbili zezimpondo indlela yazo. Ama-antenna e-Omni-directional asakaza isignali yawo ngokulinganayo kuzo zonke izinhlangothi, kuyilapho izimpondo eziqondisayo zigxilisa isignali yazo ngaphezulu endaweni eyodwa noma ngaphezulu.

2. Amathuluzi ahlobene: Izimpondo eziqondisayo zidinga okokusebenza okwengeziwe ukuze kulawulwe ukuqondiswa kwesiginali, njengemishini noma amasistimu kagesi angalungisa umumo we-antenna. Izimpondo ze-Omni-directional ngokuvamile azidingi lesi sisetshenziswa esingeziwe.

3. Izinzuzo: Izimpondo eziqondisayo zingaba usizo ekusakazeni ezindaweni ezithile noma ukugwema ukuphazamiseka kwamanye amasignali. Angase futhi asebenze kahle ngokwemibandela yamandla esignali nobubanzi ezindleleni ezithile. Ama-antenna e-Omni-directional kulula ukuwafaka nokuyinakekela futhi alungele ukusakaza ezindaweni ezinkulu zejografi.

4. Okubi: Ama-antenna aqondisayo ngokuvamile ayinkimbinkimbi futhi ayabiza ukuwafaka nokuyigcina kune-omni-directional. Zidinga futhi ukuhlela ngokucophelela nokuqondanisa ukuze kuqinisekiswe ukuthi ukugxila kokuqondisa kuqondiswe ngendlela efanele. Ama-antenna e-Omni-directional angase abe nobubanzi obulinganiselwe futhi angase abe lula ekuphazamisekeni.

5. Amanani: Intengo yezinti iyahlukahluka kuye ngohlobo, umkhiqizi, nezici. Ngokuvamile, izimpondo eziqondisayo zivame ukubiza kakhulu kune-omni-directional antenna ngenxa yemishini eyengeziwe edingekayo ekulawuleni isiqondiso.

I-6. Izicelo: Ama-antenna aqondisayo angasetshenziswa ezimeni lapho kubalulekile ukugwema ukuphazamiseka kwezinye izimpawu noma ukukhomba izindawo ezithile, njengasemadolobheni noma ezintabeni. Ama-antenna e-Omni-directional avame ukusetshenziswa ezindaweni zasemakhaya lapho kunezimpawu ezimbalwa ezincintisanayo.

Ukusebenza: Izimpondo eziqondisayo zinganikeza amandla esignali aphezulu kanye nobubanzi ezindaweni ezithile, kuyilapho izimpondo ze-omni-directional zinikeza ukumboza okungaguquki endaweni enkulu yendawo.

8. Izakhiwo: Izakhiwo zama-antenna aqondisayo kanye ne-omni-directional ziyefana, kodwa izimpondo eziqondisayo zingase zibe zinkulu noma zibe nzima kakhulu ngenxa yemishini eyengeziwe edingekayo ekulawuleni isiqondiso.

9. Imvamisa: Zombili izinhlobo zama-antenna zingasetshenziswa kumafrikhwensi e-FM ahlukahlukene.

10. Ukufakwa, ukulungisa, nokugcinwa kahle: Inqubo yokufaka nezidingo zokugcinwa kwezimpondo eziqondisayo neziqondiswe kuwo wonke ama-omni-directional ziyefana, kodwa izimpondo eziqondisayo zingase zidinge ubuchwepheshe obukhethekile bokufakwa nokugcinwa okufanele ngenxa yobunkimbinkimbi bazo.

Sekukonke, ukukhetha phakathi kwama-antenna okusakaza e-FM aqondisayo kanye ne-omni-directional kuzoncika ezidingweni ezithile nezimo zomsakazi. Nakuba izimpondo eziqondisayo zinganikeza izinzuzo ezimweni ezithile, ngokuvamile ziyinkimbinkimbi futhi zibiza kakhulu ukuzifaka nokuyinakekela. Ama-antenna e-Omni-directional alula futhi abiza kakhulu, kodwa angase abe nemikhawulo ethile ngokwamandla esignali, ububanzi, nokuphazamiseka.
Ungakukhuphula kanjani ukusakazwa kwe-antenna yokusakaza ye-FM?
Kunezindlela ezimbalwa ezingasetshenziswa ukukhulisa ukusakazwa kwe-antenna yokusakaza ye-FM, kufaka phakathi lokhu okulandelayo:

1. Nyusa ubude be-antenna: Lapho i-antenna itholakala phezulu, indawo yokusakaza izoba nkulu. Lokhu kungenxa yokuncipha komthelela wezithiyo ezibonakalayo njengezakhiwo nezihlahla, kanye nokugoba komhlaba.

2. Thuthukisa idizayini ye-antenna: Idizayini ye-antenna ingadlala indima ebalulekile endaweni yokumboza. Ukulungiselela idizayini ye-antenna yemvamisa ethile, indawo, nezinye izici zemvelo kungakhuphula ukusebenza kahle nobubanzi besiginali.

3. Sebenzisa uthi oluqondisayo: I-antenna eqondisayo ingaqondiswa endaweni ekhavayo eqondiwe, engasiza ukukhulisa amandla esignali kuleyo ndawo.

4. Khulisa amandla esithumeli: Ukwandisa amandla omshini wokuthumela kungandisa nobubanzi besiginali yokusakaza, nakuba lokhu kungase kube nemikhawulo ngenxa yemikhawulo yokulawula kanye nemikhawulo engokomzimba.

5. Sebenzisa i-feedline yekhwalithi ephezulu: Ukusebenzisa i-feedline yekhwalithi ephezulu kungathuthukisa ukusebenza kahle kokudlulisela, okungahumushela ekuhlanganiseni okungcono.

6. Nciphisa ukuphazamiseka: Ukunciphisa ukuphazamiseka kwamanye amasignali kungavumela isignali yokusakaza ukuthi yamukelwe ngokucacile nangaphezu kwendawo enkulu.

7. Sebenzisa izimpondo eziningi: Ukusebenzisa izimpondo eziningi kungasiza ukumboza izindawo ezinkulu noma eziyinkimbinkimbi. Lokhu kungafezwa ngamasu ahlukahlukene, njengokusebenzisa izimpondo eziningi ze-dipole ngokulandelana noma kusetshenziswa inhlanganisela yezimpondo ze-omni-directional neziqondisayo.

Sekukonke, indlela ephumelela kakhulu yokwandisa ukusakazwa kwe-antenna yokusakaza ye-FM izoncika ezimweni ezithile kanye nemikhawulo yendawo yokusakaza. Ukusebenza nomklamo wobucwepheshe be-antenna kanye nenkampani yokufaka kungasiza ekuboneni amasu asebenza kahle kakhulu okuthuthukisa indawo ekhavayo nokufeza izinhloso zokusakaza ezifiswayo.
Yiziphi izici ezibaluleke kakhulu ze-antenna yokusakaza ye-FM?
Ukucaciswa okubaluleke kakhulu ngokomzimba kanye ne-RF kwe-antenna yokusakaza ye-FM kufaka okulandelayo:

1. Ibanga lemvamisa: Ububanzi befrikhwensi bucacisa ububanzi befrikhwensi i-antenna ekwazi ukuyidlulisela nokuyithola, ngokuvamile elinganiswa nge-megahertz (MHz).

2. Amandla okuphatha: Umthamo wokubamba amandla ucacisa amandla amakhulu i-antenna engawaphatha ngaphandle kokugcina umonakalo, ngokuvamile akalwa ngama-watts.

3. Ukuzuza: Inzuzo ye-antenna isilinganiso sokuthi iwakhipha kahle kangakanani amandla kazibuthe kagesi. Ngokuvamile kukalwa ngama-decibel (dB), futhi ama-antenna enzuzo ephezulu anganikeza amandla esignali amakhulu nobubanzi.

4. I-Polarization: I-polarization ye-antenna isho ukuma kwenkundla ye-electromagnetic yesiginali. Ama-antenna omsakazo we-FM ngokuvamile asebenzisa i-polarization eqondile, nakuba ezinye izinhlobo ze-polarization zingasetshenziswa ezimeni ezithile.

5. Iphethini yokukhishwa kwemisebe: Iphethini yemisebe ye-antenna ichaza ukuthi amandla kazibuthe kagesi asatshalaliswa kanjani emkhathini ozungeze uthi. Lokhu kungathonywa ukwakheka kwe-antenna futhi kungaba nomthelela endaweni yokumbozwa kanye namazinga okuphazamiseka.

6.Impedance: I-impedance ye-antenna ibhekisela ekuphikisweni okuphelele kwamandla we-AC okunikezwa yi-antenna kusiginali edlulisiwe. Ngokujwayelekile ikalwa ngama-ohms futhi kufanele ifane nokuvinjelwa kwesidlulisi kanye nolayini wokudlulisela ukuze udlulise ngempumelelo.

7. I-Resonance: I-resonance ye-antenna isho ikhono le-antenna lokudlulisa ngempumelelo imvamisa ethile. I-resonant antenna izosebenza kahle kakhulu namandla esiginali kumaza omsindo wayo.

8. I-VSWR: I-VSWR (Voltage Standing Wave Ratio) isilinganiso sokuthi uthi i-antenna ixhumeke kahle kangakanani emugqeni wokudlulisela. I-VSWR ephezulu ingaholela ekulahlekeni kwamandla kanye nokulimala okungaba khona ku-transmitter noma i-antenna.

Sekukonke, le mithetho ye-RF kanye neyomzimba ibalulekile ukuze kuqinisekiswe ukuthi i-antenna yokusakaza ye-FM iyakwazi ukudlulisa ngempumelelo amandla esiginali oyifunayo nendawo yokumboza, kuyilapho ivikela okokusebenza futhi ithobelana nezidingo zokulawula.
Yiziphi izingxenye zekhebula ezijwayelekile zokufakwa kwe-antenna yokusakaza ye-FM?
Izingxenye zekhebula ezijwayelekile zokufakwa kwe-antenna yokusakaza ye-FM zifaka:

1. Ikhebula le-Coaxial - Lolu hlobo lwekhebula lusetshenziselwa ukudlulisa amasiginali omsindo ne-RF ukusuka kusidlulisi kuya othini. Uhlobo olusetshenziswa kakhulu ekusakazeni i-FM yikhebula le-Heliax engu-7/8".

2. Izixhumi - Lezi zisetshenziselwa ukuxhuma intambo ye-coaxial kwezinye izinto ezifana ne-transmitter, i-antenna, noma isibambisi sombani. Izinhlobo ezijwayelekile zezixhumi ezisetshenziswa ekufakweni kwe-antenna yokusakaza ye-FM zifaka i-Type-N, BNC, ne-7/16 DIN.

3. Umbulali Wombani - Lona umshini osetshenziselwa ukuvikela isidlulisi nezinye izinto ekulimaleni ngenxa yombani. Ivamise ukufakwa phakathi kwe-antenna ne-transmitter.

4. I-Grounding Kit - Lokhu kusetshenziselwa ukugxilisa intambo ye-coaxial kanye nothi. Kubalulekile ukugxilisa i-antenna nentambo ye-coaxial ukuvimbela ukunqwabelana kukagesi omile nokuvikela emonakalweni ngenxa yokushaywa kombani.

5. Izigaba Zombhoshongo - Lezi zisetshenziselwa ukusekela uthi nezinye izinto zokusebenza. Ngokuvamile zenziwe ngensimbi noma nge-aluminium futhi ziza ngobude obuhlukahlukene.

6. Intaba Ye-Antenna - Lokhu kusetshenziselwa ukukhweza uthi ezingxenyeni zombhoshongo. Kungaba okokukhweza okugxilile noma okokukhweza okuphenduphendukayo, kuye ngohlobo lwe-antenna olusetshenziswayo.

7. Izintambo Zensizwa - Lezi zisetshenziselwa ukunikeza ukuzinza okwengeziwe ezingxenyeni zombhoshongo kanye nothi. Ngokuvamile zenziwe ngensimbi futhi zigxilwe phansi.

8. Tower Hardware - Lokhu kuhlanganisa amabhawodi, amantongomane, amawasha, nezinye izinsimbi ezisetshenziswa ukuvikela izingxenye zombhoshongo kanye nezinto zokusebenza embhoshongweni.

9. Izibopho Zekhebula - Lezi zisetshenziselwa ukuvikela intambo ye-coaxial ezingxenyeni zombhoshongo, amathreyi ekhebula, noma ezinye izakhiwo ezisekelayo.

Sekukonke, izingxenye zekhebula zokufakwa kwe-antenna yokusakaza ye-FM zibalulekile ekuqinisekiseni ukusakazwa kwekhwalithi nokuthembekile. Ukufakwa ngendlela efanele, ukubeka phansi, nokugcinwa kwalezi zingxenye kubalulekile ukuze kuzuzwe ukusebenza kahle nokuvikela okokusebenza ekulimaleni.
Yiziphi izinto ezisetshenziswayo ezisetshenziswa ukwenza i-antenna yokusakaza ye-FM?
Kunezinto ezahlukahlukene ezisetshenziswayo ekwenzeni izimpondo zomsakazo we-FM. Ezinye zezinto ezivame kakhulu zihlanganisa:

1. I-Aluminium: I-Aluminium ijwayele ukusetshenziswa ekwakhiweni kwezimpondo zokusakaza ze-FM ngenxa yezakhiwo zayo ezingasindi futhi ezihlala isikhathi eside. Ingabunjwa kalula futhi yakheke imiklamo ehlukahlukene ye-antenna.

2. Insimbi engagqwali: Insimbi engagqwali enye into evamile esetshenziswa ezintini zokusakaza ze-FM ngenxa yamandla ayo aphezulu kanye nokumelana nokugqwala. Ingakwazi ukumelana nokuchayeka ezimeni zemvelo ezinzima, igcine ubuqotho nokusebenza kwe-antenna ngokuhamba kwesikhathi.

3. I-Fiberglass: I-Fiberglass ivamise ukusetshenziswa njengento evikelayo kuma-antenna okusakazwa kwe-FM. Ingase futhi inikeze ukwesekwa kwesakhiwo othini futhi imelana nokugqwala.

4. Ithusi: I-Copper isetshenziswa ekwakhiweni kwamakhoyili e-antenna, njengoba iyinto esebenza kakhulu. Ingasetshenziselwa ama-inductors, ama-transformer, nezinye izinto ze-antenna.

5. Izinto ze-Dielectric: Izinto ze-Dielectric, njengepulasitiki, i-polymer, nezitsha zobumba, zisetshenziselwa ukugqumisa noma ukuhlukanisa izingxenye ezithile ze-antenna. Zingasetshenziswa futhi njenge-substrate yama-antenna wesifunda aphrintiwe.

Sekukonke, ukukhetha kwezinto ezisetshenziswa ku-antenna yokusakaza ye-FM kuzoncika ezintweni ezahlukahlukene, njengohlelo oluthile lokusebenza, ibanga lemvamisa, izidingo zamandla, nezimo zemvelo. Ukusebenza nomklamo wobucwepheshe be-antenna kanye nenkampani yokufaka kungasiza ekuhlonzeni izinto ezifanele kakhulu ze-antenna ukuze kuqinisekiswe ukusebenza kahle nokuqina.
Ingabe akhona amagama abalulekile e-antenna yokusakaza ye-FM?
Impela, nanka amagama asetshenziswa kakhulu ahlobene nezimpondo zomsakazo we-FM nokuthi zisho ukuthini:

1. Ibanga lemvamisa: Ububanzi befrikhwensi isilinganiso sebanga lamafrikhwensi lapho i-antenna yokusakaza ye-FM ingasebenza kahle. Ibanga lefrikhwensi yokusakaza ye-FM lingu-87.5 MHz ukuya ku-108 MHz.

2. Ukuzuza kwe-antenna: Ukuzuza kwe-antenna isilinganiso samandla we-antenna ehlobene nothi oluyisithenjwa. Esimweni somsakazo we-FM, kubhekiselwa ekutheni i-antenna iwakhipha kahle kangakanani amandla kazibuthe kagesi. Lapho inzuzo iphezulu, i-antenna iphumelela ngokwengeziwe ekudluliseni nasekutholeni amasignali e-FM.

3. I-Polarization: I-polarization iwumumo wenkambu kazibuthe ye-antenna. Ekusakazweni kwe-FM, i-polarization eqondile ivame kakhulu, futhi ibhekisela ekuqondeni kwegagasi lomsakazo elibheke phezulu emhlabeni.

4. Iphethini yokukhishwa kwemisebe: Iphethini yokukhishwa kwemisebe isho ukusatshalaliswa kwendawo kwamandla kazibuthe kagesi akhiqizwa uthi. Kuthonywa ukwakheka kwe-antenna futhi kungalolonga ukuthi isignali ye-FM isakazwa kanjani ezindaweni ezithile.

5.Impedance: I-impedance ibhekisela ezingeni lokumelana ne-AC yamanje eyethulwa uthi lwe-FM kusiginali ye-FM. Ikalwa ngama-ohms futhi ibalulekile ukuze kuqinisekiswe ukudluliswa kahle kwesiginali ye-FM.

6. Isilinganiso segagasi elimile (SWR): I-standing wave ratio, noma i-SWR, isilinganiso sokusebenza kahle kohlelo lwe-antenna. Ikhombisa izinga lapho uhlelo lwe-antenna lungahambisani khona nokungahambelani, nge-SWR ephansi ekhombisa ukudluliselwa okusebenza kahle kakhudlwana.

7. I-Resonance: I-resonance isho imvamisa yemvelo lapho uhlelo lwe-antenna ludlulisela kahle isignali ye-FM. Lokhu kubalulekile ukuze kukhuliswe ukusebenza kahle kanye nokwenza ngcono ububanzi bothi.

8. I-VSWR: I-VSWR imele i-Voltage Standing Wave Ratio, futhi ikala amandla efrikhwensi yomsakazo aboniswa emuva ngakumthumeli. I-VSWR ephakeme ingabangela ukulahlekelwa kwesignali kanye nokulimala okungaba khona kusidlulisi noma i-antenna.

9. Ububanzi be-Beamwid: I-Beamwidth i-engeli ephakathi kwamaphoyinti amabili kuphethini yemisebe lapho amandla ehle afika kuhhafu yenani eliphezulu. Ichaza indawo yokumboza kanye nokuqondisa kothi futhi iwukucatshangelwa okubalulekile ekuklameni nasekumiseni uthi.

10. Isilinganiso sangaphambili ukuya emuva: Isilinganiso se-front-to-back isilinganiso sezinga lokushuba kwemisebe ekuqondeni phambili uma kuqhathaniswa namandla emisebe kwelinye icala le-antenna. Kubalulekile ukuqinisekisa ukuthi uthi idlulisa kahle isignali ye-FM futhi ayiphazamisi ezinye izimpawu.

11. Ukucindezelwa kwe-side lobe: Ukucindezelwa kwe-lobe eseceleni kubhekise ekhonweni le-antenna lokunciphisa izinga lemisebe eziqondisweni ngaphandle kokuqondisa kwe-lobe eyinhloko. Lokhu kubalulekile ekwehliseni ukuphazamiseka kwezimpawu ezingomakhelwane kanye nokwenza ngcono isilinganiso sesignali kumsindo.

12. Ububanzi: I-Bandwidth iwuhlu lwamafrikhwensi i-antenna engawadlulisela futhi awamukele ngempumelelo. Ivamise ukuvezwa njengephesenti lokuvama kwesikhungo futhi ibalulekile ekuqinisekiseni ukuthi isignali ye-FM idluliswa phakathi kwebanga lamafrikhwensi acacisiwe.

13. Amandla okuphatha: Umthamo wokubamba amandla yinani eliphakeme lamandla elingaphathwa uthi lwe-antenna ngaphandle kokugcina umonakalo. Lokhu wukucatshangelwa okubalulekile kokuqinisekisa ukusebenza kahle nokuphepha kohlelo lokusakaza lwe-FM.

14. Ukuvikelwa kombani: Ukuvikelwa kombani kuyingxenye ebalulekile yezinhlelo ze-antenna zokusakaza ze-FM ukuvikela emonakalweni wokushaywa kombani. Ngokuvamile kuhilela ukufakwa kwezinto zokuvala umbani, okokusebenza okuphansi, nezicindezeli zokuhlinza.

Ukuqonda la magama kubalulekile ekuklameni, ekukhetheni nasekulungiseleleni uhlelo lwe-antenna yokusakaza ye-FM ukuze kuqinisekiswe ukudluliswa kwesiginali ye-FM ngendlela efanele kanye nezidingo zokulawula ezihlangabezana nazo. Ukusebenza nomklami we-antenna ochwepheshe kanye nenkampani yokufaka kungasiza ekuqinisekiseni ukuthi uhlelo lwe-antenna luhlangabezana nayo yonke imininingwane edingekayo futhi luletha ukusebenza okuphelele.
Ungayehluka kanjani i-antenna yokusakaza ye-FM yezohwebo neleveli yomthengi?
Kunomehluko omningi phakathi kwe-antenna yokusakaza ye-FM yezentengiso kanye ne-antenna yokusakaza ye-FM yezinga lomthengi. Nansi eminye yomehluko omkhulu:

1. Izinto ezisetshenziswayo kanye nesakhiwo: Ama-antenna okusakazwa kwe-FM yezentengiselwano ngokuvamile makhudlwana futhi ayinkimbinkimbi kakhulu kunezimpondo zokusakaza ze-FM ezisezingeni labathengi. Zidinga okokusebenza okukhethekile, njengama-transmitter anamandla amakhulu kanye nezikhulisi ezifakwe embhoshongweni, futhi ngokuvamile zenzelwe izinhlelo zokusebenza ezithile kanye nezindawo ezikhavayo. Izimpondo zokusakaza ze-FM ezisezingeni labathengi zivame ukuba mancane futhi zingabi yinkimbinkimbi kangako, zakhelwe ukusetshenziswa endlini noma ngaphandle futhi ngokuvamile azidingi izinto ezisetshenziswayo ezikhethekile.

2. Ibanga lemvamisa: Ama-antenna okusakazwa kwe-FM asebenza ngaphakathi kwebanga lefrikhwensi elibanzi kunezinga lomthengi lomsakazo we-FM. Lokhu kungenxa yokuthi ukusakazwa kwe-FM kwezentengiso kungase kube neziteshi ezihlukahlukene ngaphakathi kwekhava efanayo, okuhlinzeka ngezindawo ezikhavayo zesifunda. Isibonelo, isiteshi se-FM esithengisayo singaba neziteshi eziningi ezinezindawo ezithile ezikhavayo, njengedolobha noma isifunda.

I-3. Izicelo: Ama-antenna okusakazwa kwe-FM ezentengiselwano ngokuvamile asetshenziselwa izinhlelo zokusebenza zokusakaza zomsakazo ezinkulu, njengokusakaza ezingeni lesifunda noma likazwelonke. Izimpondo zokusakaza ze-FM ezisezingeni labathengi ngokuvamile zisetshenziselwa ukusakazwa kwendawo, njengomsindo wasekhaya noma wemoto.

Ukusebenza: Ama-antenna okusakazwa kwe-FM yezentengiselwano angase anikeze ukusebenza okuphezulu nendawo ekhavayo enkulu kunezimpondo zokusakaza ze-FM ezisezingeni labathengi, ngenxa yobukhulu bazo kanye nokuba yinkimbinkimbi okukhulu. Angase aklanywe ngezici eziningi nezici zokuqondisa, okuvumela amandla esignali athuthukisiwe nokucaca.

5. Ukufakwa nokunakekelwa: Ama-antenna okusakazwa kwe-FM ezentengiselwano ngokuvamile adinga ukufakwa nokugcinwa kochwepheshe, ngenxa yobunzima bawo kanye nemishini ekhethekile. Izimpondo zokusakaza ze-FM ezingeni labathengi ngokuvamile zingafakwa kalula umsebenzisi wokugcina, futhi zingadinga kuphela ukulungiswa okuncane noma ukulungiswa.

6. Intengo: Ama-antenna okusakazwa kwe-FM ezentengiselwano ngokuvamile abiza kakhulu kunezimpondo zokusakaza ze-FM ezisezingeni labathengi. Lokhu kungenxa yobukhulu bazo obukhulu, izidingo zemishini ekhethekile, nokuba yinkimbinkimbi okukhulu.

Kafushane, umehluko omkhulu phakathi kwezimpondo zokusakaza ze-FM ezentengiselwano nezimpondo zokusakaza ze-FM ezisezingeni labathengi zihlobene nosayizi wazo, izidingo zemishini, ibanga lemvamisa, ukusebenza, izinhlelo zokusebenza, ukufakwa, ukulungiswa kanye nentengo. Ukukhetha uthi olufanele kuzoncika ezidingweni ezithile zohlelo lokusakaza, isabelomali, nezinye izici.
Ungakhetha kanjani isisekelo se-antenna yomsakazo we-FM ezingeni lokuphuma kwamandla omsakazo we-FM?
Kunezinhlobo ezahlukene zezimpondo zokusakaza ze-FM ezitholakalayo, futhi zingahlukaniswa ngokusekelwe ezintweni ezimbalwa, okuhlanganisa izinga lamandla, usayizi wesidlulisi, kanye nohlobo lokukhweza. Nazi ezinye zezinhlobo ezivame kakhulu zomsakazo we-FM:

1. Izimpondo eziphansi ze-FM: Lawa ma-antenna ajwayele ukusetshenziselwa ama-transmitters anamandla aphansi e-FM, anamandla aphumayo angaphansi kwama-watts ayi-1000. Lezi zimpondo ngokuvamile ziba mancane ngosayizi futhi zingagxunyekwa ophahleni noma ku-tripod.

2. Izimpondo ze-Medium Power FM: Lawa ma-antenna enzelwe ama-FM transmitters anamandla aphuma phakathi kwama-watts ayi-1000 kanye nama-watts ayi-10,000. Ngokuvamile zikhudlwana ngosayizi futhi zingafakwa embhoshongweni noma ku-mast.

3. High Power FM izinti: Lawa ma-antenna akhelwe ama-transmitters anamandla aphezulu e-FM, anamandla aphumayo angama-watts ayi-10,000 noma ngaphezulu. Ziwuhlobo olukhulu noluyinkimbinkimbi kakhulu lwama-antenna omsakazo we-FM futhi avame ukubekwa ezakhiweni ezinde njengemibhoshongo noma izigxobo ezinezingqimba.

4. Izinti zokusakaza ze-FM zohlobo lwe-rack: Ama-transmitters ohlobo lwe-FM aklanyelwe ukuthi afakwe endaweni yokubeka imishini engu-19 inch. Lawa ma-transmitters ngokuvamile angamandla aphansi kunama-antenna azimele futhi angasebenzisa izinhlobo ezahlukene zezimpondo ze-FM, njenge-dipole noma izimpondo ze-collinear.

5. Ama-antenna omsakazo wekhabhinethi eqinile ye-FM: Abasakazi bekhabhinethi ye-Solid FM FM ngokuvamile basebenzisa ama-collinear noma ama-antenna ephaneli futhi bangasetshenziselwa izinhlelo zokusebenza zamandla aphakathi nendawo ukuya phezulu. Lawa ma-transmitters angase abe namamojula amaningi we-amplifier, futhi ukucushwa kwe-antenna kungalungiswa ukuze kuhambisane nezindawo ezihlukahlukene zokumboza.

6. Izinti ze-single bay FM: Lawa ma-antenna aqukethe i-antenna bay eyodwa, noma i-elementi, futhi ngokuvamile asetshenziselwa ama-transmitters aphansi e-FM. Angase abe yi-omnidirectional noma aqondise, kanye nephethini yemisebe ngokuya ngedizayini.

7. Izinti ze-Multi-bay FM: Ama-Multi-bay antenna aqukethe ama-antenna amaningi noma izakhi futhi asetshenziselwa izinhlelo zokusebenza zamandla aphezulu. Angaklanywa njengama-antenna aqondisayo noma ama-omnidirectional, kuye ngendawo yokukhava oyifunayo.

Ezinye zezinto ezibalulekile ezihlukanisa lezi zinhlobo zezimpondo ze-FM zifaka usayizi wazo, amandla okubamba amandla, iphethini yemisebe, impendulo yemvamisa, nezinto zokwakha. Asikho isixazululo esilingana nesisodwa, futhi ukukhetha uthi lwe-FM olufanele kuzoncika ezintweni ezahlukahlukene, okuhlanganisa indawo yokusakaza, izidingo zamandla omsakazo, isabelomali, nezinye izici.

Kubalulekile ukuthintana nomklami wothi oluyingcweti nesifaki ukuze uqinisekise ukuthi i-antenna ye-FM efanelekile ikhethelwa uhlelo oluthile kanye nokuqinisekisa ukusebenza kahle.
Zingaki izinhlobo zothi lomsakazo we-FM ezikhona?
Kunezinhlobo ezahlukene zezimpondo zokusakaza ze-FM ezitholakalayo, futhi zingahlukaniswa ngokusekelwe ezintweni ezimbalwa, okuhlanganisa izinga lamandla, usayizi wesidlulisi, kanye nohlobo lokukhweza. Nazi ezinye zezinhlobo ezivame kakhulu zomsakazo we-FM:

1. Izimpondo eziphansi ze-FM: Lawa ma-antenna ajwayele ukusetshenziselwa ama-transmitters anamandla aphansi e-FM, anamandla aphumayo angaphansi kwama-watts ayi-1000. Lezi zimpondo ngokuvamile ziba mancane ngosayizi futhi zingagxunyekwa ophahleni noma ku-tripod.

2. Izimpondo ze-Medium Power FM: Lawa ma-antenna enzelwe ama-FM transmitters anamandla aphuma phakathi kwama-watts ayi-1000 kanye nama-watts ayi-10,000. Ngokuvamile zikhudlwana ngosayizi futhi zingafakwa embhoshongweni noma ku-mast.

3. High Power FM izinti: Lawa ma-antenna akhelwe ama-transmitters anamandla aphezulu e-FM, anamandla aphumayo angama-watts ayi-10,000 noma ngaphezulu. Ziwuhlobo olukhulu noluyinkimbinkimbi kakhulu lwama-antenna omsakazo we-FM futhi avame ukubekwa ezakhiweni ezinde njengemibhoshongo noma izigxobo ezinezingqimba.

4. Izinti zokusakaza ze-FM zohlobo lwe-rack: Ama-transmitters ohlobo lwe-FM aklanyelwe ukuthi afakwe endaweni yokubeka imishini engu-19 inch. Lawa ma-transmitters ngokuvamile angamandla aphansi kunama-antenna azimele futhi angasebenzisa izinhlobo ezahlukene zezimpondo ze-FM, njenge-dipole noma izimpondo ze-collinear.

5. Ama-antenna omsakazo wekhabhinethi eqinile ye-FM: Abasakazi bekhabhinethi ye-Solid FM FM ngokuvamile basebenzisa ama-collinear noma ama-antenna ephaneli futhi bangasetshenziselwa izinhlelo zokusebenza zamandla aphakathi nendawo ukuya phezulu. Lawa ma-transmitters angase abe namamojula amaningi we-amplifier, futhi ukucushwa kwe-antenna kungalungiswa ukuze kuhambisane nezindawo ezihlukahlukene zokumboza.

6. Izinti ze-single bay FM: Lawa ma-antenna aqukethe i-antenna bay eyodwa, noma i-elementi, futhi ngokuvamile asetshenziselwa ama-transmitters aphansi e-FM. Angase abe yi-omnidirectional noma aqondise, kanye nephethini yemisebe ngokuya ngedizayini.

7. Izinti ze-Multi-bay FM: Ama-Multi-bay antenna aqukethe ama-antenna amaningi noma izakhi futhi asetshenziselwa izinhlelo zokusebenza zamandla aphezulu. Angaklanywa njengama-antenna aqondisayo noma ama-omnidirectional, kuye ngendawo yokukhava oyifunayo.

Ezinye zezinto ezibalulekile ezihlukanisa lezi zinhlobo zezimpondo ze-FM zifaka usayizi wazo, amandla okubamba amandla, iphethini yemisebe, impendulo yemvamisa, nezinto zokwakha. Asikho isixazululo esilingana nesisodwa, futhi ukukhetha uthi lwe-FM olufanele kuzoncika ezintweni ezahlukahlukene, okuhlanganisa indawo yokusakaza, izidingo zamandla omsakazo, isabelomali, nezinye izici.

Kubalulekile ukuthintana nomklami wothi oluyingcweti nesifaki ukuze uqinisekise ukuthi i-antenna ye-FM efanelekile ikhethelwa uhlelo oluthile kanye nokuqinisekisa ukusebenza kahle.
Ingabe i-antenna yokusakaza ye-FM ilingana ne-antenna yomsakazo we-FM noma i-antenna yomsakazo we-FM, ngani?
I-antenna yokusakaza ye-FM ayifani ne-FM transmitter antenna noma i-FM radio antenna, nakuba zonke zihlobene nokusakaza noma ukwamukela amasignali omsakazo we-FM.

I-antenna yokusakaza ye-FM iklanyelwe ngqo ukudlulisa isignali yomsakazo we-FM isuka esiteshini yomsakazo iye kubalaleli abangaphakathi kwendawo yokusakaza. I-antenna ivamise ukugxunyekwa embhoshongweni noma ensikeni futhi ixhunywe kusidlulisi se-FM esinamandla amakhulu esisakaza isignali yomsakazo.

Ngakolunye uhlangothi, i-antenna yomsakazo we-FM iyingxenye yerediyetha yohlelo lwesidluliseli se-FM oluguqula isignali kagesi isuke kusidlulisi ibe isignali kazibuthe kagesi engatholwa umsakazo we-FM.

I-antenna yomsakazo we-FM iyingxenye yomsakazo we-FM oklanyelwe ukwamukela amasignali omsakazo asakazwa izimpondo zomsakazo we-FM kanye nezimpondo zomsakazo we-FM. Lolu thi lungaba umsakazo we-FM owakhelwe ngaphakathi noma ongaphandle futhi ngokuvamile luklanyelwe ukuthi lube indawo yonke noma inkombandlela, kuye ngendawo kanye nekhwalithi yesiginali oyifunayo.

Yize lezi zimpondo zinezinhloso ezehlukene, zonke zidlala indima ebalulekile ohlelweni lokusakaza nokwamukela i-FM. I-antenna yokusakaza ye-FM idlulisa isignali yomsakazo we-FM, i-antenna yomsakazo we-FM iguqula isignali kagesi ibe isignali kagesi kagesi, kanti uthi lomsakazo we-FM luthola isignali yomsakazo we-FM ukuze idlalwe.
Yimuphi umehluko phakathi kwe-antenna yamandla aphezulu kanye ne-antenna yokusakaza ye-FM enamandla aphansi?
Umehluko phakathi kwama-antenna omsakazo we-FM abasakazi be-FM abanamazinga ahlukene wamandla ungahluka kakhulu, okuhlanganisa ukucushwa kwawo, intengo, izinombolo zamabheyi ze-antenna, ukusebenza, usayizi, ukufakwa, ukuba sengozini, ukulungiswa, kanye nezidingo zokunakekelwa. Nansi eminye yomehluko obalulekile:

1. Ukumisa: Ama-antenna e-FM anamandla aphansi ngokuvamile mancane futhi aqondile, anezici ezimbalwa kunezikhulu, izimpondo ze-FM ezinamandla aphezulu. Ama-antenna e-FM anamandla aphakeme ayinkimbinkimbi, anezici eziningi kanye nezinga elikhulu lokuqondiswa ukuze agxilise isignali yokusakaza ezindaweni ezithile zokumboza. Ama-antenna ama-Multi-bay angahluka ekucushweni, kuye ngezidingo zedizayini kanye nenani lenzuzo nokuqondisa okudingekayo.

2. Intengo: Intengo ye-antenna yokusakaza ye-FM ingahluka kakhulu ngokuya ngobukhulu nobunkimbinkimbi bayo. Ama-antenna omsakazo we-FM anamandla aphezulu avame ukuba nephuzu lentengo ephezulu kunezimpondo zamandla aphansi, ngenxa yobukhulu nobunkimbinkimbi bazo.

3. Inani lamabheyi: Izimpondo zokusakaza ze-FM zingaba nenani elihlukahlukene lezindawo ezisekelwe kuhlelo lokusebenza namandla okukhipha isidlulisi se-FM. Ama-antenna okusakazwa kwamandla e-FM aphezulu ngokuvamile anenani elikhulu lamatheku, kanti izimpondo eziningi ziyi-multi-bay eziyinkimbinkimbi kakhulu futhi equkethe inqwaba yamatheku.

Ukusebenza: Ukusebenza kwezimpondo zomsakazo we-FM kungahluka kakhulu, kuye ngosayizi, ukucushwa, nezinye izici. Ama-antenna omsakazo we-FM anamandla aphakeme avame ukunikeza ukuqondiswa okukhulu kanye nenzuzo, okuvumela ukudluliswa kwesiginali okungcono kumabanga amade.

I-5. Usayizi: Ama-antenna omsakazo we-FM ama-transmitters anamandla aphansi ngokuvamile mancane futhi angasindi kakhulu, kuyilapho izimpondo ze-FM ezinamandla aphezulu zingaba zinkulu kakhulu futhi zibe nzima. Ama-Multi-bay antenna angaba makhulu ngokukhethekile futhi adinga isakhiwo esiqinile sokusekela.

I-6. Ukufaka: Ukufaka i-antenna yokusakaza ye-FM kudinga ubungcweti obuchwepheshile, ngaphandle kokunaka amandla aphumayo omsakazo we-FM ohlobene. Izimpondo ze-FM ezinamandla aphezulu zidinga ukufakwa okuyinkimbinkimbi kakhulu, njengoba zingase zifakwe embhoshongweni futhi zidinga ukwesekwa okubanzi okwengeziwe.

7. Ukuba sengozini: Izimpondo zomsakazo we-FM ezinamandla aphezulu zingaba sengcupheni yokulimala ngenxa yobukhulu bazo kanye nokucushwa okuyinkimbinkimbi. Isimo sezulu esibi kanye nezinye izici zemvelo kungaba nomthelela ekusebenzeni kwazo.

8. Ukulungisa nokunakekela: Ama-antenna omsakazo we-FM adinga ukulungiswa njalo ukuze kuqinisekiswe ukusebenza kahle. Ukulungisa kungase kube nzima kakhulu kuma-antenna omsakazo we-FM amakhulu, anamandla aphezulu.

Sekukonke, umehluko oyinhloko phakathi kwezimpondo zokusakaza ze-FM zama-FM ezinamazinga ahlukene wamandla uhlobene nosayizi, ubunkimbinkimbi, nezindleko ezihambisanayo. Ama-antenna okusakazwa kwamandla e-FM aphakeme ngokuvamile ayinkimbinkimbi futhi adinga ukufakwa okubanzi, kodwa anganikeza namakhono amakhulu okusebenza. Ukukhetha i-antenna efanele yokusakaza ye-FM kuzoncika ezintweni ezihlukahlukene, okuhlanganisa indawo yokusakaza, izidingo zamandla omsakazo, isabelomali, nezinye izici.
Ungasivivinya kanjani isidluliseli somsakazo we-FM nge-antenna yokusakaza ye-FM?
Ngaphambi kokuhlola isidluliseli sakho se-FM, kufanele usebenzise i-antenna yokusakaza ye-FM hhayi umthwalo we-dummy. Lokhu kungenxa yokuthi i-dummy loads yakhelwe ukuhlolwa kumazinga aphansi wamandla futhi ingaphatha inani elilinganiselwe lamandla. Ukusebenzisa i-dummy load ene-transmitter ye-FM esebenza kumazinga aphezulu wamandla kungabangela umonakalo emthwalweni noma ku-transmitter ngokwayo.

Ukuze uhlole kahle umsakazi we-FM, landela lezi zinyathelo:

1. Setha uthi lokusakaza lwe-FM endaweni evumela ukudluliswa kwesignali nokwamukela okuphelele. Lokhu kungaba phezu kombhoshongo noma insika, noma ngaphakathi endlini enothi olufanele imvamisa namandla omsakazo.

2. Xhuma isidluliseli se-FM othini usebenzisa izintambo ezifanele ze-coaxial ezifana nokuthimbezeleka komthumeli kanye nothi.

3. Faka amandla kusishumeli se-FM futhi ulungise izinga lamandla okukhiphayo liye endaweni oyifunayo, uqaphele ukuthi ungeqi isilinganiso samandla okukhiphayo esiphezulu sesithumeli.

4. Hlola isihambisi ukuze uthole noma yiziphi izexwayiso noma imilayezo yamaphutha, futhi uqinisekise ukuthi zonke izilungiselelo zimiswe ngendlela efanele.

5. Sebenzisa isamukeli somsakazo we-FM ukuhlola isignali yesidlulisi ngokuvula ifrikhwensi yokusakaza futhi uhlole isignali ecacile, eqinile. Uma kunesidingo, lungisa isidluliseli kanye nokucushwa kwe-antenna ukuze uthuthukise ukusebenza.

6. Gada isidlulisi kanye nothi ukuze uthole noma yiziphi izimpawu zokulimala noma ukushisa ngokweqile, futhi uqinisekise ukuthi zimiswe ngendlela efanele ukuze uvimbele ukuphazamiseka kukagesi noma ezinye izinkinga.

Ngokusebenzisa i-antenna yokusakaza ye-FM, ukuqikelela ukuthi ungeqi amandla aphezulu esithumeli, kanye nokuqapha uhlelo ukuze lusebenze kahle nokusebenza kahle, ungasivivinya kahle isidluliseli somsakazo we-FM. Kubalulekile ukulandela yonke imihlahlandlela yokuphepha kanye nezinqubo ezingcono kakhulu zokuvimbela ukulimala kwemishini nokuqinisekisa ikhwalithi yesignali ephelele.

Isiphi isimo esingase sehluleke ukuthi i-antenna yokusakaza ye-FM ingasebenzi?
Kunezici ezimbalwa ezingase zibangele ukuthi i-antenna yokusakaza ye-FM iyeke ukusebenza kahle noma yehluleke ngokuphelele. Ezinye zalezi zimo, izizathu, noma izindlela ezingalungile zokusebenza ngesandla zingabandakanya:

1. Ukulimala kothi ngenxa yesimo sezulu esingesihle, njengomoya onamandla, umbani, neqhwa.

2. Ukufakwa noma ukulungiswa okungalungile kothi, okuhlanganisa ukuhluleka ukugxilisa uthi kahle noma ukuluqinisa embhoshongweni noma ku-masti.

3. Izici zemvelo noma zomuntu ezithinta ukusebenza kwezimpondo, okuhlanganisa ukuphazamiseka kukazibuthe kagesi okuvela ezintweni eziseduze, ukuphazamiseka okuvela kwamanye amasiginali okusakaza, noma imisebenzi eseduze yokwakha noma yokwakha.

4. Ukungalungiswa kahle noma ukulungiswa kahle kothi, okuhlanganisa ukuhluleka ukushintsha izingxenye ezilimele noma ukuhlola uthi njalo.

Njengochwepheshe besiteshi somsakazo we-FM, kubalulekile ukugwema lezi zimo ngokunamathela ezindleleni ezingcono kakhulu zokufakwa, ukugcinwa, nokulungiswa kwezimpondo zokusakaza ze-FM. Nazi izinyathelo ezibalulekile okufanele uzilandele:

1. Faka kahle uthi ngokulugxumeka embhoshongweni ovikelekile noma insika bese uyibeka phansi ngendlela efanele.

2. Hlola njalo uhlaka lwe-antenna ukuze uthole umonakalo noma ukuguga bese ubuyisela noma yiziphi izingxenye ezilimele noma izixhumi njengoba kudingeka.

3. Hlola uthi ngezikhathi ezithile ukuze uqinisekise ukudluliswa kwesignali efanele nokwamukela, futhi ulungise ukumisa njengoba kudingeka ukuze uthuthukise ukusebenza.

4. Gcina indawo ecacile eduze kwe-antenna ukuze ugweme noma yikuphi ukuphazamiseka kwemisebenzi eseduze noma izakhiwo, futhi uqaphele ukugwema ukuphazamiseka kozibuthe kagesi kwezinye izinto zokusebenza.

5. Eziteshini zomsakazo ze-FM ezinamandla aphezulu, thobela yonke imihlahlandlela nemithethonqubo efanele elawula ukufakwa nokusebenza kwezinti, futhi uthole noma yiziphi izimvume ezidingekayo noma izitifiketi ezidingwa ohulumeni basekhaya noma kazwelonke.

Ngokulandela lezi ziqondiso kanye nokuhambisana nokugcinwa nokuhlolwa okuvamile, ungaqinisekisa ukuthi uthi lwe-FM lusebenza kahle futhi lugwema izici ezingase lubangele ukuthi lwehluleke noma luyeke ukusebenza ngendlela efanele.
Ungalugcina kanjani kahle i-antenna yokusakaza ye-FM?
Ukuze usebenzise kahle futhi ulondoloze uthi lomsakazo we-FM, futhi wandise isikhathi esilindeleke ukuba siphile, cabangela le mihlahlandlela elandelayo:

1. Ukufakwa ngendlela efanele: Qinisekisa ukuthi uthi lufakwe ngokwemiyalelo yomkhiqizi kanye namazinga embonini. Lokhu kuhlanganisa ukukhweza i-antenna embhoshongweni oqinile noma insika, ukuyibeka ngokucophelela endaweni efiselekayo yokumboza, nokumisa kahle uthi ukuze kuvinjelwe ukuphazamiseka kukagesi.

2. Ukuhlola okuvamile: Hlola njalo uhlaka lwe-antenna ukuze uthole izimpawu zokulimala noma ukuguga, okuhlanganisa insika egugile, izinto ezigqwalile, izintambo ezilimele noma izixhumi. Yenza ukuhlolwa kwesakhiwo kanye nogesi minyaka yonke, ukuhlonza izingxenye ezilimele kanye namaphutha ohlelweni. Futhi, qiniseka ukuthi i-antenna ayinayo yonke imfucumfucu noma uhlaza olungadala ukuwohloka kwesignali kanye nokulimala okungaba khona esakhiweni.

3. Isondlo: Yenza ukunakekelwa okujwayelekile ku-antenna, okuhlanganisa ukuhlanza, ukushintshwa kwezingxenye ezilimele, nokuqinisa ukuxhumana ngezikhathi ezithile. Hlola izintambo ukuze uthole izimpawu zokuguga nokulimala, kanye nokuxhunywa komhlaba nokuvikelwa kombani.

4. Ukuhlolwa: Yenza ukuhlolwa ngezikhathi ezithile kwesistimu ye-antenna ukuze uqinisekise ukusebenza kahle, ikakhulukazi uma noma yiziphi izinguquko ekufakweni, okukhiphayo komthumeli, imvamisa, indawo, noma isimo sezulu kwenzeka. Ukuhlolwa okufanele kuzoqinisekisa ukuthi amandla okukhiphayo kanye ne-VSWR yesidluliseli kufanelana nesistimu ye-antenna enikeza ikhwalithi yesiginali engcono kakhulu yokusakaza.

5. Izinyathelo zokuphepha: Thatha izinyathelo zokuphepha ezidingekayo lapho usebenza ku-antenna yokusakaza ye-FM, njengokusebenzisa amahhanisi okuphepha noma izinto zokuphakamisa abasebenzi lapho ufinyelela izingxenye eziphakeme zohlelo lwe-antenna.

6. Ukulungisa: Ngokushesha lungisa noma yiziphi izinkinga eziphakamayo, njengezingxenye ezilimele nokuxhunywa, noma uma kukhona izinkinga zokusebenza ezithinta ukusakaza. Yenza ukuhlolwa okuphelele futhi ushintshe izingxenye ezinephutha ngokushesha.

Ngokulandela lezi ziqondiso, ungakwazi ukunweba ubude besikhathi sokuphila kwe-antenna yokusakaza ye-FM, unciphise isikhathi sokuphumula kanye nokwehluleka kwemishini, futhi uqinisekise ukusebenza kahle kokusakazwa kwesignali yokusakaza ye-FM esiteshini sakho.
Ungalulungisa kanjani i-antenna yokusakaza ye-FM uma yehluleka ukusebenza?
Uma i-antenna yokusakaza ye-FM yehluleka ukusebenza, isinyathelo sokuqala ukuhlonza umsuka wenkinga. Lokhu kungase kudinge ukuhlolwa okuphelele kwesakhiwo nezingxenye ze-antenna, kanye nokuhlola isidlulisi nezinye izingxenye zesistimu ukuze kutholwe ukuthi inkinga isuka kuphi.

Nazi ezinye izinyathelo zokulungisa i-antenna yokusakaza ye-FM:

1. Hlola inkinga: Thola imbangela eyinhloko yokwehluleka kwe-antenna. Nquma ukuthi ukwehluleka kuhlobene yini ne-antenna uqobo, ulayini wokudlulisela, isidlulisi, noma ezinye izinto ezihlobene.

2. Lungisa inkinga esheshayo: Uma inkinga ihlobene nengxenye ethile, njengoxhumo olulimele noma into ephukile, shintsha noma lungisa ingxenye ngokushesha ngangokunokwenzeka ukuze uvimbele ukulimala okwengeziwe ohlelweni.

3. Hlola ukulungisa: Uma ukulungiswa sekwenziwe, hlola uhlelo ukuze uqinisekise ukuthi lusebenza kahle. Lokhu kungase kuhlanganise ukuhlola amandla okudlulisela kanye namandla esignali ye-antenna, kanye nokuhlolwa komthwalo we-dummy.

4. Ukulungiswa kwedokhumenti: Gcina irekhodi elinemininingwane yanoma yikuphi ukulungiswa okwenziwa othini lokusakaza lwe-FM, okuhlanganisa nokuthi yini eyakhandwa noma yashintshwa, yaqedwa nini, nokuthi ubani owalungisa. Lolu lwazi luzoba usizo ekulungiseni okuzayo nasekuxazululeni izinkinga.

5. Vimbela izinkinga ezizayo: Thatha izinyathelo zokuvikela ukuze ugweme ukwehluleka okungenzeka kwemishini esikhathini esizayo, okuhlanganisa ukulungisa njalo, ukuhlola, nokuhlola isistimu. Lezi zinyathelo zizohlonza izinkinga kusenesikhathi, ukuze zilungiswe ngaphambi kokuthi ziholele ekuhlulekeni okubi kakhulu kwemishini.

Kubalulekile ukuqaphela ukuthi ukulungisa i-antenna yokusakaza ye-FM kuhilela ubungozi obukhulu bokusebenza ezindaweni eziphakeme, izingozi zikagesi, kanye nokusetshenziswa kwemishini ekhethekile. Kunconywa ukusebenzisana nethimba lochwepheshe abaqeqeshiwe nabanolwazi abakwazi ukubhekana nezidingo zokulungisa futhi baqinisekise ukuthi uhlelo lusebenza ngendlela efanele.
Ngingakwazi ukusebenzisa i-antenna yokusakaza ye-brand A's FM kanye nesidlulisi se-FM sika-B?
Yebo, kuyenzeka ukuthi usebenzise i-antenna yokusakaza ye-FM ekhiqizwe uhlobo olulodwa ngesidlulisi se-FM esakhiwe olunye uhlobo ukusakaza izinhlelo ezilalelwayo. Kodwa-ke, kunezinto ezibalulekile okufanele uzikhumbule ukuze uqinisekise ukuthi lezi zinhlelo ezimbili zizosebenza ndawonye ngendlela efanele.

Nazi ezinye izici okufanele zicatshangelwe:

1. Ukuhambisana kwemvamisa: Qiniseka ukuthi uhla lwefrikhwensi yothi lokusakaza lwe-FM luyahambisana nesidluliseli se-FM. Lokhu kuzoncika ebangeni elithile lefrikhwensi eyabelwe ukusakazwa kwe-FM ezweni lakini kanye nesifunda, njengoba zingahluka.

2. Amazinga wamandla: Qinisekisa ukuthi i-antenna yokusakaza ye-FM kanye nezilinganiso zamandla zomsakazo we-FM ziyahambelana. Ukusebenzisa okokusebenza okungafani kahle kungaholela kukhwalithi yesignali engeyinhle, i-frequency drift, i-SWR engafanele kanye nomonakalo ohlelweni.

3. Ukufanisa Impedans: Qinisekisa ama-impedances we-antenna kanye nesidlulisi ukuze uqinisekise ukuthi ziyahambelana. Lokhu kusiza ukunciphisa ukulahleka kwesignali nokuqinisekisa i-SWR efanele yesistimu yokudlulisela.

4. Ukuhambisana kwekhebula: Qinisekisa ukuthi izintambo ezisetshenziswa ukuxhuma isidluliseli se-FM kanye nothi ziyahambisana futhi zinohlobo lwesixhumi olulungile lwazo zombili izisetshenziswa.

5. Ukugxambukela: Ukusetshenziswa kwezinhlobo ezahlukene zemishini kungase kubangele noma kubangele izinkinga ezingase zibe nomthelela ekudlulisweni kwesignali. Uma kukhona iziphazamiso ngenkathi usebenzisa isistimu ehlanganisiwe, kungase kubangelwe izinkinga zokuhambisana nozibuthe kagesi kanye nezintambo ezivikelekile nezihlungi ukuze kuncishiswe ukuphazamiseka kungase kunconywe.

Sekukonke, kubalulekile ukuqinisekisa ukuthi i-antenna yokusakaza ye-FM nesidlulisi se-FM ziyahambisana futhi zisebenzisana kahle kakhulu. Kungase kwenzeke ukuthola ukwesekwa kobuchwepheshe kubakhiqizi ukuze kuqinisekiswe ukuhambisana kanye nemihlahlandlela yokusebenzisa kahle.
Ungabona kanjani ukuthi i-antenna yokusakaza ye-FM ingeyekhwalithi ephezulu?
Kunezici ezimbalwa okufanele zicatshangelwe lapho kuhlolwa izinga le-antenna yokusakaza ye-FM, okuhlanganisa:

1. Ibanga lemvamisa: I-antenna yokusakaza ye-FM yekhwalithi ephezulu kufanele yakhelwe ukuthi isebenze kulo lonke ibhande lokusakaza le-FM. Kufanele ikwazi ukuphatha amandla okukhipha isidluliseli aphezulu avunyelwe futhi ibe ne-VSWR ephansi.

2. Ukuzuza: I-antenna yokusakaza yekhwalithi ephezulu ye-FM nayo kufanele ibe nenzuzo ephezulu, ekala ikhono le-antenna lokukhulisa isignali eyitholayo. Ukuzuza okuphezulu, kungcono ukusebenza kahle.

3. Ububanzi be-Beamwid: Ububanzi be-antenna yokusakaza ye-FM kufanele bube buncane futhi bugxile ukuze buqondise isiginali lapho sidingeka khona futhi kuncishiswe isignali "yokuchitheka" ezindaweni ezingafunwa.

4. Idizayini yemishini: I-antenna yokusakaza yekhwalithi ephezulu ye-FM kufanele iqine, yakhiwe kahle, futhi yakhelwe ukumelana nezimo zezulu ezimbi njengomoya omkhulu, imvula enamandla, neqhwa. I-antenna kufanele yenziwe ngezinto ezisezingeni eliphezulu ezinikeza ukumelana okuhle kakhulu nokuguga, ukugqwala kanye ne-oxidation, noma ngabe kusho izindleko eziphakeme.

5. Iphethini yokukhishwa kwemisebe: Iphethini yomsakazo we-antenna yokusakaza ye-FM kufanele iqondise ukuze ihambisane nephethini yokusakaza efiswayo. Amaphethini okuqondisa angase abe usizo lapho ukumbozwa kudingeka kuqondiswe ezindaweni ezithile kuyilapho kwehliswa imisebe kwezinye izinkomba.

6. Idizayini kagesi: Idizayini kagesi iyonke ye-antenna yokusakaza ye-FM kufanele yakhelwe ukusebenza kahle, i-VSWR ephansi, kanye nenethiwekhi ehambisanayo efanele ukuze kuqinisekiswe ukufana kokuphazamiseka phakathi kwe-antenna nolayini wokudlulisela, okuthuthukisa ukusebenza kwe-RF.

Ukusebenza: Ngokungeziwe ezicini zokuklama, i-antenna yokusakaza ye-FM yekhwalithi ephezulu kufanele ilethe ukusebenza okungaguquki nokuthembekile endaweni yokusakaza yomhlaba wangempela.

Ngokubheka zonke lezi zici, ungahlola ukuthi ingabe i-antenna yokusakaza ye-FM ingeyekhwalithi ephezulu futhi ihlangabezana ngokufanele nezidingo ezithile zesiteshi. Ukwenza ukuhlola nokuqhathanisa imikhiqizo eminingana emakethe evela kubakhiqizi abathembekile kungasiza ekukhetheni i-antenna yokusakaza ye-FM esezingeni eliphezulu.
Ungakhetha kanjani i-antenna engcono kakhulu yokusakaza ye-FM? Iziphakamiso ezimbalwa...
Lapho ukhetha i-antenna yokusakaza ye-FM ehamba phambili, kunezici ezimbalwa okufanele zicatshangelwe, okuhlanganisa uhlelo lokusebenza, ububanzi befrikhwensi, izinga lamandla okukhipha isidlulisi, kanye nokusebenza kahle komklamo we-antenna. Nansi eminye imihlahlandlela okufanele uyilandele:

1. Ibanga lemvamisa: Khetha uthi lokusakaza lwe-FM olumboza ibanga lefrikhwensi elihambisana nesidlulisi, futhi lufane kahle nokwabiwa kwamafrikhwensi okutholakala esifundeni. Uhlu lwe-antenna yokusakaza ye-FM eminingi luhlanganisa i-88 MHz kuya ku-108 MHz, okuyibhendi evamile yokusakaza ye-FM.

2. Ukuphatha amandla: Khetha i-antenna yokusakaza ye-FM engamelana nokuphuma kwamandla kwesidlulisi sakho, kanye nezibonelelo ezengeziwe uma kwenzeka kuba namandla aphakeme ngezikhathi ezithile.

3. Idizayini: Imiklamo ye-antenna inamandla ahlukene kanye nemikhawulo. Izinto okufanele zicatshangelwe zifaka ubude bombhoshongo, ukuthi i-antenna iqondise noma cha, nokuthi iphethini yemisebe ingahambisana yini nezidingo zesiteshi. Isibonelo, kuye ngobude noma iphethini yokusabalalisa amandla, i-dipole ye-omnidirectional, i-antenna eyisiyingi, noma i-Yagi eqondisayo noma i-log-periodic antenna ingase ifanele izidingo zokusakaza ezihlukene zezinhlelo zokusebenza ezahlukene.

4. Ukuzuza kanye nokukhanya: Izimpondo zokusakaza ze-FM zinamazinga ahlukene okuzuza nobubanzi bemishayo, ngokusekelwe endaweni efiselekayo yokusakaza. Khetha uthi olunenzuzo efanele kanye nobude bokukhanya bephethini yokusakaza oyifunayo noma indawo.

I-5. Ukufaka: Lapho ukhetha i-antenna yokusakaza ye-FM, cabanga indawo yokufaka, ubude besakhiwo, izimo zemvelo, njengomoya, nokuthi izinto zokubeka phansi nezibambi zombani zifakiwe yini ekwakhiweni.

6. Isabelomali: Ama-antenna omsakazo we-FM afika ngamanani ahlukene. Qinisekisa ukuthi isixazululo esikhethiwe siyathengeka futhi singaphansi kwemikhawulo yesabelomali.

7. Ibhrendi nesithunzi: Ukuthenga kubakhiqizi abahloniphekile noma abahlinzeki abanganikeza usizo olwanele lwezobuchwepheshe futhi banganikela ngezinto zokusebenza ezinezinketho ezihlukahlukene nezisekeli ukusekela umklamo okhethwayo nokusebenza okungcono kakhulu.

Ngokucabangela lezi zici, ungakhetha i-antenna yokusakaza ye-FM ehlangabezana kangcono nezidingo eziqondile zesiteshi sakho. Kubalulekile ukubonisana nochwepheshe abanolwazi ukuze weluleke ngothi olufaneleka kakhulu lokusakaza, ukuphepha kokufaka kanye uma kudingeka olunye ucwaningo lwesayithi noma imvume.

Ungalwakha kanjani uhlelo lwe-atenna nge-antenna yokusakaza ye-FM?
Ngaphezu kwe-antenna yokusakaza ye-FM, kudingeka ezinye izinto eziningi zokwakha uhlelo oluphelele lwe-antenna ye-FM yokusakaza emsakazweni. Nazi ezinye izingxenye ezibalulekile:

1. I-FM Transmitter: isidluliseli se-FM sisakaza isignali yomsindo ngamaza omoya. Iguqula isignali yomsindo ibe isignali ye-RF (ifrikhwensi yomsakazo) eyamukelwe uthi lokusakaza.

2. Ulayini Wokudlulisa: Ulayini wokudlulisela uhamba phakathi kwesidluliseli se-FM kanye nothi lokusakaza, udlulisa amandla e-RF.

3. Isihlanganisi se-RF: Isihlanganisi se-RF sisetshenziswa lapho ama-transmitters amaningi e-FM abelana ngothi olufanayo, afane namazinga awo okukhipha amandla futhi anciphise ubunkimbinkimbi bohlelo.

4. Isikhulisi somsindo ophansi (LNA): Isetshenziselwa ukukhulisa isignali eyamukelwe ngempumelelo kakhudlwana futhi unciphise umsindo.

5. Umamukeli noma Ishuna: Isamukeli somsakazo noma ishuna yomsakazo ingathola futhi isebenze amasignali asakazwa uthi. Ngokuvamile zisetshenziselwa izinjongo zokuqapha nokuhlola.

6. Izisetshenziswa zokuhlunga: Izinto zokuhlunga zisetshenziselwa ukususa amasignali angafuneki. Isibonelo, izihlungi ze-Band-pass ezikhawulela ibhendi yefrikhwensi yesiginali noma izihlungi zenotshi ezidizayinelwe ukususa izinhlanganisela ezithile zamafrikhwensi ezingase zidale ukuphazamiseka okungajabulisi.

7. Izesekeli: Izinsiza ezifana nezintambo zamakhoaxial, izixhumi, izinsimbi, izinsimbi zokubeka phansi, izibambisi zokukhanyisa, nezigxobo zezinti kungase kudingeke ukuze kufakwe, kuphansi, nokuvikela isistimu.

Ngokuhlanganisa zonke izingxenye ezidingekayo, kungadalwa uhlelo oluphelele lwe-antenna ye-FM. Lapho ukhetha uhlelo oluphelele lwe-antenna ye-FM, qinisekisa ukuthi zonke izingxenye zisebenzisana kahle kakhulu, zihlangabezana nezindinganiso zekhwalithi ezithandwayo, futhi zanelisa izidingo zokusebenza zesiteshi ezihlukile.
Ngingakwazi ukusebenzisa i-antenna yokusakaza enamandla kakhulu ye-FM ukuze ngithole isidlulisi samandla aphansi we-FM?
Ngobuchwepheshe, kungenzeka ukusebenzisa i-antenna yokusakaza ye-FM enamandla kakhulu yesidlulisi samandla aphansi we-FM. Nokho, kungase kungabi yiyona ndlela engcono kakhulu noma ephumelela kakhulu. Nazi ezinye izinto okufanele uzikhumbule:

1. Ukusebenza kahle: I-antenna yokusakaza ye-FM enamandla amakhulu iklanyelwe ukuphatha ukuphuma kwamandla aphezulu avela ku-transmitter, ukuqinisekisa ukuthi isebenza kahle kakhulu. Uma isetshenziswa ngamandla omsakazo we-FM aphansi, amandla angasetshenzisiwe/adlulele ku-antenna angabangela ukungasebenzi kahle kohlelo ngendlela yokubonisa amasignali, ukuvuza kwamaza kanye nokuncipha kokusebenza kahle kohlelo lokudlulisela.

2. I-VSWR: Ama-antenna omsakazo we-FM enamandla aphezulu angase abe ne-VSWR (Voltage Standing Wave Ratio) ephezulu, emele ukusebenza kahle kokudlulisa amandla asuka kusidlulisi aye othini. I-VSWR ephezulu ayikhathazeki uma isebenza ngesidlulisi samandla aphezulu kodwa ingaba yingozi uma isetshenziswa nesidlulisi samandla esiphansi. Ukungafani phakathi kwesidlulisi kanye ne-antenna yamandla aphezulu kungase kubangele isilinganiso esingesihle se-VSWR okuholela kumagagasi amile nokuboniswa kwamandla okungalimaza noma kwehlise ubude bempilo yomthumeli.

3. Ukungafani kwephethini yokukhishwa kwemisebe: I-antenna yokusakaza ye-FM enamandla amakhulu ingaba nephethini yemisebe ehlukile kunaleyo yezidingo zomthumeli. Umehluko wamaphethini emisebe ungabangela ikhwalithi yokudlulisela engeyinhle, njengoba ukumboza kungase kube banzi noma kube kuncane lapho kudingekile.

4. Izindleko: I-antenna yokusakaza ye-FM enamandla amakhulu imvamisa ibiza kakhulu kuneyamandla aphansi. Lezi zindleko ezinyukile zingase zingadingeki, ikakhulukazi uma isidluliseli se-FM esinamandla aphansi singadingi umthamo ophakeme noma uma kunezingqinamba zesabelomali lapho ezinye izixazululo zezindleko eziphansi zingahlangabezana nezidingo.

Ngokuvamile, ukusebenzisa i-antenna yokusakaza ye-FM enamandla aphansi eklanyelwe amandla athile okusakaza kuyanconywa ukuze kuqinisekiswe ukusebenza kahle kwesistimu, ukugcina isilinganiso esihle se-VSWR nephethini yemisebe ehambisana nezidingo zesiteshi. Izingxenye zesistimu ziklanyelwe ukusebenza emazingeni athile wamandla, futhi kufanele kuqashelwe ukuze kuqinisekiswe ukuthi ingxenye ngayinye isetshenziswa ngokuvumelana nencazelo yedizayini ukuze kuqinisekiswe ukusebenza okuphelele, ukuphila isikhathi eside, nokwethembeka kwalo lonke uhlelo.
Ngingakwazi ukusebenzisa i-antenna yokusakaza ye-FM enamandla aphansi ukuze ngithole isidluliseli samandla aphezulu we-FM?
Cha, akunconywa ukusebenzisa i-antenna yokusakaza ye-FM enamandla aphansi ene-transmitter yamandla aphezulu we-FM. I-antenna kanye nolayini wokudlulisela kufanele kuklanywe ukumelana nomkhawulo wamandla ophumayo wesidluliseli se-FM ukuze kugwenywe umonakalo noma ukonakala kokusebenza kwesistimu.

Ukusebenzisa i-antenna yokusakaza ye-FM enamandla aphansi yesidlulisi samandla aphezulu we-FM kungase kubangele:

1. Izinkinga ze-VSWR: I-antenna yokusakaza ye-FM enamandla aphansi ingase ingaklanyelwe ukuphatha ukuphuma kwamandla aphezulu kwesidlulisi esikhulu futhi ingaholela esilinganisweni esiphezulu se-VSWR. Lokhu kwehluleka kungaholela ekubonakaleni kwamandla, ukuncipha kwebanga, kanye nekhwalithi embi yesiginali yakho yokusakaza.

2. Ukushisisa nokulimala ngokweqile: Izixhumi ze-antenna, ulayini wokudlulisela kanye nengxenye yemisebe kungase kushise futhi kuncibilike noma kulimaze uma amandla okukhipha isidluliseli aphezulu eqiwe, okungaba yingozi ohlelweni.

3. Ukuqina okwehlisiwe: I-antenna yokusakaza ye-FM enamandla aphansi ingase yakhiwe ngezinto zebanga eliphansi nezinto ezimbalwa kunezimpondo ezinamandla eziklanyelwe ukuphatha amandla aphezulu nokuqina isikhathi eside.

4. Ukusebenza okungahambisani: Ukulayisha kakhulu uthi kungase kwenze u-opharetha wesiteshi sokusakaza angahambisani nemithetho kazwelonke noma yesifunda, futhi, ngenxa yalokho, kuholele emiphumeleni yezomthetho.

Ngakho-ke, kubalulekile ukukhetha i-antenna yokusakaza ye-FM eklanyelwe ngqo ukuphuma kwamandla omsakazo. I-antenna yamandla aphezulu izoba nesilinganiso esiphezulu se-VSWR sokuphatha amandla okukhipha isidluliseli, yingakho ukudluliselwa okusebenzayo ngaphandle kokucekelwa phansi kwemishini yokudlulisela noma izindaba zekhwalithi. Hlola ukucaciswa komkhiqizi, imiklamo, kanye nezidingo zokufakwa zemishini yakho yokudlulisela kanye nothi ngaphambi kokukhetha okufanelana kahle kakhulu ndawonye ukuze kusebenze kahle kanye nezidingo zokulawula ezanelisayo.

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