I-FM Radio Transmitter

Lolu chungechunge luqukethe inqwaba yabasakazi be-FM abathengekayo, abasebenza njengolunye lochungechunge oluyisisekelo lwendalo yokusakaza ye-FMUSER. Iningi lisebenza esontweni nasendaweni yeshashalazi, izinkampani kanye namaqembu, izinhlaka ezilawulayo, izibhedlela, imboni yezemidlalo, izinkampani zikazwelonke, neziteshi zomsakazo zomphakathi.

 

Ubani?

 

U-FMUSER ungomunye we abahlinzeki bempahla yesiteshi somsakazo abahamba phambili evela e-China enezinkulungwane ezingaphezu kwezinkulungwane zezixazululo zokusakaza zomsakazo ezenziwe ngezifiso zidalwa ngempumelelo eziteshini zomsakazo ezizimele nezohwebo. Sizibandakanya ekukhiqizeni nasekuhlinzekeni emhlabeni wonke kwazo zonke izinhlobo zemishini yesiteshi somsakazo engochwepheshe, kusukela kusidlulisi se-FM esinamandla amakhulu we-kilowatts (AKA: isishicileli sekhabhinethi FM) kuya kumsakazo we-FM osezingeni eliphezulu wamandla angamakhulu ambalwa. Kunjalo, amaphakheji aphelele esitudiyo somsakazo we-FM anikeziwe - kusuka kumaphrosesa alalelwayo, ithebula lesitudiyo kuya kumishini yokuxhumanisa isidluliseli sesiteshi somsakazo we-FM, okuhlanganisa i-STL antenna, i-STL transmitter, nesamukeli se-STL kanye nezinsiza. Amaphakeji we-FM Broadcast Antennas - Kusuka othini oluyindilinga oluyindilinga, uthi lwendiza ephansi, i-FM dipole antenna, i-FM yomsakazo wemoto, i-multi-bay FM antenna yomsakazo onamandla aphezulu we-FM (amabhayi ama-3, amabhayi angu-4, izindawo ezingu-6, namachweba angu-8 ngokuzithandela ), okuhlanganisa zonke izinhlobo zemigqa yokuphakelwa kwe-antenna ye-RF kanye nezinsiza. 

 

Kungani ama-FMUSER FM Radio Transmitters?

 

  • Idizayini ye-Hardware Ethakazelisayo - Njengenye yezindawo ezithengiswa kakhulu ngaphandle kwekhwalithi yayo enhle kakhulu ekubonisweni okulalelwayo nasekusakazeni, idizayini yezingxenyekazi zekhompuyutha zomsakazo we-FMUSER FM, nokho, isivele ilethe izinzuzo ezingenamkhawulo kumakhasimende ethu emhlabeni wonke: ngamandla ayizigaba ezi-5. umsebenzi wokukhulisa amandla owenziwe ngezinto zikagesi ezisezingeni eliphezulu, umphumela we-stereo ophumayo uyaqinisekiswa. Ngaphezu kwalokho, ukuze kuqinisekiswe ukuzinza kwesimo sokusebenza okuqhubekayo, idizayini yesakhiwo esihlangene, igobolondo elenziwe nge-aluminium esezingeni eliphezulu, isistimu yokupholisa umoya eyakhelwe ngaphakathi inikezwa. Iphaneli ye-LCD enembile esebenzayo yesibonisi samafrikhwensi ene-frequency drift eduze neqanda isho ukusebenza okuhle kokusakaza kwabathengi.

 

  • Amandla Okuzikhethela kanye namafrikhwensi - Ungathola okuthengiswayo kwamandla omsakazo we-FMUSER ahlanganisa kusukela kokuncane ku-0.1W ukuya kokungaphezulu kuka-1000W, futhi afika ku-10kW + ngokwesilinganiso esiphezulu. Futhi lapho amandla ephakama, kuba banzi ukusakaza, okusho ukuthi labo basakazi bezindleko eziphansi zomsakazo we-FM bangamboza irediyasi, ngokwesibonelo, engaphezu kuka-30km yesidluliseli esingu-1000 watts FM. Ukusho lokho, i-FMUSER high power FM transmitter ihlala iyisinqumo sokuqala eziteshini ezinkulu ze-FM. Ukuqinisekisa izinga lokudluliswa komsindo, sihlinzeka ngomsakazi we-FM onamandla aphezulu ngamandla ahlukene ukusuka ku-2kW ukuya ku-10kW, ongahlangabezana ngokugcwele nezidingo zeziteshi zokusakaza ze-FM zezikali ezihlukene. Izisakazi ze-FMUSER FM ziqinile futhi zingaqinisekisa ngempumelelo ikhwalithi yomsindo yokusakaza kwe-FM.

 

  • I-World Class Manufacturing Factory - Ngenxa yefekthri yethu yokusakaza i-FM, singahlinzeka ngezisakazi ze-FM ngokusebenza okuqinile nezindleko eziphansi kubathengi bezabelomali ezahlukene. Ngaphezu kwalokho, ukuze sigweme umthelela omubi obangelwa izici ezihlukahlukene zezemvelo ekamelweni lobunjiniyela bomsakazo, sasebenzisa kakhulu ingxubevange ye-aluminium, insimbi engagqwali, ingilazi nopende njengezinto zegobolondo kanye nomklamo wehardware we-transmitter ye-FM, engaqinisekisa ukusakazwa komsindo. ukusebenza kahle nokuqina.

 

  • Izindleko Eziphansi kanye Nekhwalithi Ephezulu - Ngenxa yekhwalithi ephezulu kanye nentengo yesabelomali, uchungechunge lomsakazo we-FMUSER FM luthandwa abathanda umsakazo we-FM, onjiniyela bomsakazo, namanye amaqembu nabasebenzi bomsakazo, kanti amanye awo njengama-watt ayi-1000 kanye nama-watt FM angama-5000 asetshenziswa kakhulu izinhlelo zokusebenza ezifana ne-drive-in theatre, i-drive-in church, ukuhlolwa kokutholwa kokushayela nge-nucleic acid, imicimbi ebukhoma, nokuphawula kwezemidlalo okuhlukahlukene okubukhoma, njll.

 

  • Ukusebenza Okuhlukahlukene - Kuqinisekile ukuthi noma ngabe okokusakaza komuntu siqu noma okokuthengisa, ungathenga noma uthengise impahla yesiteshi somsakazo oyintandokazi kakhulu ku-FMUSER. Ngaphezu kwalokho, kungakhethwa futhi ukwenza ngezifiso izixazululo zakho zokusakaza, isiteshi somsakazo esishibhile se-FM, iphakethe eliphelele lomsakazo we-FM, njll. 

 

Uchungechunge lwe-FMUSER FM Broadcast Transmitter

 

Njengoba kancane kancane sicebisa ulwazi oluqoqwe ohlelweni lokukhiqiza nokudayisa izisakazi ze-FM, ungasithinta futhi usibonise izidingo zakho ezingokwezifiso eqenjini lethu le-RF lochwepheshe. Ungenza ngendlela oyifisayo kusukela ekunikezeni amandla ukuya kulogo yomkhiqizo. Sihlinzeka ngosekelo lobuchwepheshe ngokusekelwe ezidingweni zakho. Izidingo zakho zangempela, amandla ethu ahambayo.

 

Angeke kube yizindaba ezimbi uma usuvele ukhona noma usendleleni yokuba ngu-opharetha wesiteshi somsakazo esithengisayo!

Kuzosakazwa Kude Kangakanani I-FM Transmitter?

Amanye amakhasimende avame ukusicela ulwazi oluthile lwemishini yomsakazo, njengokuthi “Ungasakha kanjani isiteshi somsakazo esiphelele ngezindleko eziphansi?”, noma “Indlela yokukhetha i-dipole antenna yesidluliseli sami se-FM enamandla aphezulu? 6-bay dipole antenna noma 8 bays?", njll. Into ethokozisayo ukuthi, bafuna ukwazi okwengeziwe mayelana nobubanzi bomsakazo we-FM futhi baphakamise imibuzo eminingi ehlobene konjiniyela bethu be-RF. Futhi okuqukethwe okulandelayo kuyingxenye ye Uhlu lwemibuzo evame ukubuzwa ebangeni lesidlulisi se-FM kanye nesabelo esihambisanayo. Sithemba ukuthi lesi sabelo esitholakala kuma-transmitter singakusiza ukuxazulula izinkinga zakho, kungakhathaliseki ukuthi ungomunye wamakhasimende ethu noma cha.

 

Imibuzo evamile ebuzwa kumakhasimende ethu:

Umsakazo we-1-watt ungadlulisa kude kangakanani?

Ngabe isidluliseli esingu-1 watt FM sizofinyelela kude kangakanani?

Ngabe isidluliseli esingu-5-watt FM sizohamba kude kangakanani?

Luyini uhla lwe-15w FM transmitter?

Ngabe isidluliseli esingu-15w FM sizosakaza kude kangakanani?

Ingakanani ibanga lekhilomitha lesidlulisi se-15W FM

Liyini ishadi lebanga lomsakazo we-FM?

Ngabe isidluliseli esingu-100 watt FM sizofinyelela kude kangakanani?

Ngabe isidluliseli esingu-5000 watt FM sizofinyelela kude kangakanani?

Umsakazo we-FM ongu-50000 watts ungafinyelela kude kangakanani?

Ungabala kanjani uhla lwe-FM transmitter/i-FM transmitter range calculator?

  

Okuthakazelisayo ukuthi, lapho amakhasimende ethu efuna ukwazi ukusakazwa komsakazi wethu womsakazo, siyohlala sisho kusenesikhathi: “Awukwazi ukuba nenombolo enembile yobubanzi bokusakazwa komsakazo we-FM (kungakhathalekile amandla noma uhlobo), ngaphandle kokuthi uselabhorethri! "Isizathu esenza sikwazi ukuchaza lokhu kumakhasimende ethu ukuthi ngokubona kwethimba lethu lochwepheshe be-RF, kunezici ezingaphezu kweyodwa ezithinta ukusakazwa komthumeli. Amandla eradial asebenzayo (ERP) kanye nobude besayithi le-antenna ngaphezu kwendawo emaphakathi (HAAT), nokunye okuguquguqukayo okuningi nakho kuyizici ezibalulekile okudingeka sizicabangele.

  

Ngakho-ke, ukuze sanelise amakhasimende ethu ngezimpendulo zangempela futhi sisize ekuxazululeni izinkinga ezingokoqobo, onjiniyela bethu be-RF nethimba labadayisi bavame ukunikeza izinombolo ezithile. Isibonelo, kumakhasimende abuza mayelana nokumbozwa kwama-transmitter anamandla aphansi, sivame ukuthi: "Isidlulisi se-15W FM singavala kufikela ku-3k㎡, kanti isidluliseli esingu-25W FM singavala kufikela ku-5k㎡. Uma ufuna ukumboza ububanzi obubanzi. , njenge-10k㎡ noma 20k㎡, kufanele ukhethe umsakazi we-150W noma 350W FM ngoba makhulu emandleni okudlulisa"

  

Kodwa-ke, kwabanye abasanda kuhlanganyela emsakazweni, lezi zibalo ezinembayo zingadala ukungezwani okungadingekile futhi zibaphushele ezicini zokucabanga ezizothinta ukusakazwa komsakazi we-FM. Yize izimpendulo ezihambisanayo zizuzwa kanzima, sisafingqa izici ezilandelayo ezinganquma ukusabalala (okusho ukuthi zingahamba kude kangakanani) komsakazi we-FM:

  

Okuhlobene nezingxenyekazi zekhompuyutha

1. Inani lamandla okukhipha isidlulisi sokusakaza (TPO)

I-TPO ifushaniswe ku- "Transmitter Power Output" emkhakheni wokuxhumana okungenantambo, empeleni ibhekisa emandleni akhiphayo akhiqizwa isidlulisi, uma utshelwe ukuthi "Lesi isidluliseli sethu se-5kW FM esithengiswa kakhulu", bese kuba yi-"5kW" ihlale ibonwa njengamandla e-ERP (Amandla Asebenza Ngemisebe Amandla) esikhundleni samandla angempela wesidlulisi. I-TOP ixhumene kakhulu nezindleko, ukuthenga, isabelomali, njll., ikakhulukazi ngoba ukumbozwa okubanzi okufika nenani eliphezulu lokuthenga kweminye yemishini yesiteshi somsakazo efana nomsakazi we-FM kanye nezimpondo zomsakazo we-FM. Ngakho-ke, i-TOP, kanye nokuzuza kwe-antenna, yizinto ezimbili ezibaluleke kakhulu okufanele zicatshangelwe ikakhulukazi esikhathini sokuqala sokwakhiwa kwesiteshi somsakazo, lapho unquma ukuthi yiziphi izinhlobo nokuthi yiziphi izisetshenziswa ezilungele ibhajethi yakho.

  

2. I-Antenna ibeka ukuphakama ngaphezu kwendawo emaphakathi (HAAT)

Ekusakazweni komsakazo, i-HAAT noma i-EHAAT(i-HAAT esebenzayo), noma ukuphakama ngaphezu kwesilinganiso sezwe empeleni kubhekisela ebangeni eliqhathanisekayo liqonde phezulu phakathi kwesayithi lokudlulisela (i-transmitter ne-antenna kufakiwe) kanye nokuphakama kwendawo okumaphakathi phakathi kwamakhilomitha ambalwa. Ukuze ufinyelele ukuqonda okujwayelekile kwamaphuzu abalulekile e-HAAT, umuntu udinga ukwazi ukuthi i-HAAT ngokuyisisekelo iwukumbozwa kwe-antenna yokusakaza, indawo eqondile yesayithi ye-antenna ingaphezu kwendawo ezungezile. Ake sithi umi endaweni eshaywayo nendawo yokufaka ithikithi, ngalesi sikhathi, wena kanye nesayithi yokudlulisela nisethafeni, lapho-ke uthi lungafinyelela amashumi amakhilomitha ibanga ukuze lusakaze. Uma indawo yakho ingeyona ithafa kodwa iyindawo enamagquma, ibanga lokusakaza lingafinyelela amakhilomitha ambalwa kuphela. I-HAAT ikalwa ngokusemthethweni ngamamitha, aqashelwa kabanzi ngokubambisana kwamazwe ngamazwe, futhi kunjalo nayizinhlangano zomsakazo wesifunda ezifana ne-Federal Communications Commission (FCC).

  

Lokhu futhi kusikhumbuza ukuthi uma ufuna ukuthola ukumbozwa okuphezulu kakhulu lapho isidluliseli, umamukeli, uthi, kanye nezinsiza sezilungile, khumbula njalo ukubeka uthingo phezulu ngangokunokwenzeka, ukuze uthole okungenani imvume engu-60% endaweni yaseFresnel. futhi uthole umugqa wokubona we-RF wangempela (LOS), futhi, kusiza ukugwema izici ezingezinhle ukumisa uhla lwe-RF ekukhuleni, njengezihlahla eziminyene nezakhiwo eziphakeme, njll.

  

Qaphela:

1) Ngenxa yobude obuphansi be-antenna, ukulahleka kwekhebula le-RF kuncane, futhi uthi lungase lusebenze esimweni esingcono ngalesi sikhathi, ngakho-ke cabanga ngokuhwebelana phakathi kobude be-antenna nenani lezintambo ze-RF ezidingekayo.

 

2) Ngemva kokuhlanganiswa kwemishini yokusakaza yehadiwe, sicela uqiniseke ukuthi uyayinaka imithetho yabaphathi bomsakazo wendawo ekuphakameni kothi ukuze uvimbele izinhlawulo (kwezinye izindawo, izinhlawulo zobude obungafanele bezinti zinzima impela).

Iziqondiso For Fresnel Zone
Amathiphu Incazelo ye-Fresnel Zone ku-Radio Frequency
Isicelo Indawo engokomzimba
Ikhiqiza kanjani umthumeli nomamukeli basemgqeni wokubona
Okungeyakho:  igagasi lomsakazo
Kusho ukuthini? Isifunda saseFresnel siphakathi kwezimpondo ezidlulisa nokwamukela, kanti umehluko wokuhamba phakathi kwendlela eqondile kanye nendlela ephukile yegagasi lomsakazo u-n λ/ 2 iyi-ellipsoid enendawo yothi oludluliselayo nolwamukelayo njengokugxilwa kwalo nokuqondile. indlela njenge-eksisi. Usayizi we-ellipse unqunywa imvamisa yokusebenza kanye nebanga phakathi kweziteshi ezimbili. Emkhakheni wokuxhumana okungenantambo, ukuqinisekisa izimo zokusebenza ezingcono kakhulu zesistimu yonke, into eyodwa ebalulekile ukugcina indawo ecacile ye-elliptical edlulayo phakathi kwezimpondo ezihlukene kuzo zombili izingosi zokusakaza, ukuqinisekisa ukuthi akukho mingcele, akukho ukumiswa, akukho mingcele ukucutshungulwa.
Kungani kubalulekile Ngenxa yokuthi noma yikuphi ukuphazamiseka noma isithiyo emgqeni wokubona (LOS) kungase kubangele ukulahleka kwesignali, ekuxhumaneni okungenantambo okukhomba-ephuzwini, kubalulekile ukugcina umugqa wokubona phakathi kwamasistimu amabili angenantambo ungenaso noma yisiphi isithiyo.

3. Izinhlobo ze-antenna kanye nezinsiza ezisetshenziswa ohlelweni lwe-antenna izinhlobo zezintambo ze-antenna ne-coaxial ezisetshenzisiwe inani lentambo ye-coaxial esetshenzisiwe

  

4. Ukuzwela kosamukeli we-FM ngakolunye uhlangothi

 

Izici ezingenakuhlehliswa

1. Izinga lobuze endaweni ezungeze isayithi lezimpondo isithiyo esizungeze isayithi lezimpondo, njengokuminyana nokuphakama kwezihlahla noma izakhiwo 

2. Uhlobo lwezwe eliseduze nendawo yothi isicaba noma inamagquma

3. Ukuphazamiseka kwe-Radiofrequency ngenxa yokusakaza okufanayo okuvela eduze nesiteshi somsakazo

  

Iziteshi zamafrikhwensi eziseduze noma ezinye iziteshi zomsakazo ezisakaza ngefrikhwensi efanayo, isibonelo, uthi lungakwazi ukubona amakhilomitha angama-20, kodwa uma esinye isiteshi sisendaweni efanayo ngamakhilomitha angama-20, izovimba/iphazamise isignali.

 

Iqiniso liwukuthi: awusoze wanquma ukumbozwa okuqondile kwesidlulisi sokusakazwa noma ngabe amandla okudlulisayo noma amabhrendi sikuwaphi. Ngenhlanhla, ungakwazi njalo ukuthola ukusabalala okulinganiselwe kwabanye abasakazi bomsakazo kochwepheshe be-RF (njengoba senza ekuqaleni).

  

Lezi zinombolo ezilinganisiwe zenza izimpahla ngokuzijwayeza kwangempela-ukukusiza ukuthi ucabange kabili ngaphambi kokukhetha isidluliseli esihle sokusakaza futhi wehlise izindleko ezingadingekile noma izindleko, noma ubhekiselwe kahle ezinsizeni zangemuva kokuthengisa noma noma yikuphi ukwesekwa kobuchwepheshe okuku-inthanethi ngemva kokuthenga isidluliseli se-FM.

  

Yebo, sonke siyazi ukuthi isipiliyoni siwuthisha ongcono kakhulu. Ukusetha isidlulisi se-FM bese usiqhuba ngokuqondile kungaba yindlela engcono kakhulu yokuthola ukusabalala okunembe kakhulu komshicileli womsakazo we-FM.

  

U-FMUSER uphakamisa ukuthi ungazama ukusebenzisa okuhlukile futhi uqhathanise izivivinyo eziningi, isibonelo, ungakwazi:

  

1. Thola uhlobo lwe-antenna (4-bay noma 2 bays FM antenna muhle)

2. Nquma ubude obuphetheyo bothi (amamitha angu-30 mahle ngokwanele, alingana nesakhiwo esinezitezi eziyi-15)

3. Thola amandla omsakazo (ungashintsha futhi ama-Watts angu-200 ukuya ku-500 Watts, ngokuphambene nalokho).

4. Thola amasayithi ahlukene njengendawo yokudlulisela (cabanga ukuthi usendaweni eyithafa noma enamagquma noma kwesokudla entabeni)

5. Rekhoda ibanga lokusakaza elikude kakhulu ongamukela amasignali omsakazo acacile endaweni yokudlulisela

6. Shintsha okuguquguqukayo futhi uqhathanise nalokho orekhodayo.

Uma uthola ukuthi akukho okudingayo kuthebula lereferensi lokumboza ama-transmitter elinikezwe yithi, sicela usazise okokuqala. I-FMUSER ingakusiza ukuthi ulinganisele ukusabalala komsakazo wakho.

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    I-FMUSER INTERNATIONAL GROUP LIMITED.

    Sihlala sinikeza amakhasimende ethu imikhiqizo ethembekile nezinsizakalo ezicabangelayo.

    Uma ungathanda ukuxhumana nathi ngqo, sicela uye ku Xhumana nathi

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