I-antenna yokusakaza ye-FM ingenye yezingxenye ezibaluleke kakhulu zohlelo lwe-antenna ye-FM, isiza iziteshi zomsakazo ukusakaza ngangokunokwenzeka.
Okuthakazelisayo ukuthi, i-antenna ye-FM dipole ithandwa kakhulu ngenxa yokusetshenziswa kwayo okulula. Kodwa noma kunjalo, abantu abaningi babonakala bengazi ukuthi bangakhetha kanjani i-antenna ye-dipole ye-FM engcono kakhulu yokusakaza.
Ngenhlanhla, silungiselela amathiphu okuthenga awusizo ukuze akusize. Uma nje ulandela lezi zeluleko ezi-5, noma ungumfundi oqalayo kwezokusakaza kwe-FM, ungakhetha kalula i-antenna ye-FM engcono kakhulu.
Qhubeka uhlole!
Isinyathelo#1 Ukuqinisekisa Izinhlobo Ze-Antenna
Ama-antenna e-FM anezinhlobo ezahlukene futhi anezici ezihlukile, ukuqinisekisa uhlobo oludingayo kungakusiza ukuba ulusebenzise ngokugcwele uthi.
Sekukonke, i-antenna ye-dipole FM ihlukaniswe yaba izinhlobo ezi-4 eziyinhloko, i-dipole antenna emfushane, i-antenna ye-dipole fm eyingxenye, i-FM broadband dipole antenna, i-FM egoqiwe i-dipole antenna.
Udinga ukwenza isinqumo sokugcina ngaphambi kokukhetha i-antenna ye-dipole FM, ingabe i-dipole antenna emfushane noma i-dipole antenna egoqiwe?
Isinyathelo#2 Ukufanisa Amandla Wokuphuma Kwe-Transmitter
I-antenna ye-dipole transmitter ye-FM kufanele ifaniswe namandla amakhulu okudlulisela omsakazo we-FM, noma lonke uhlelo lokusakaza lwe-FM luzophulwa.
I-antenna ye-dipole ye-FM inamandla ahlukene okudlulisa. Isibonelo, amandla alinganiselwe we-FMUSER FM-DV1 dipole FM antenna angenziwa ngendlela oyifisayo abe ngu-10KW ngezidingo ezahlukene zokusakaza. Ngemuva kwalokho ingaxhunywa nanoma yimaphi ama-transmitters omsakazo we-FM anamandla okudlulisa angaphansi kuka-10KW.
Isinyathelo#3 Ukukhetha I-Polarization Efanelekayo
I-antenna ye-FM ene-polarization efanelekile ingasiza isiteshi sakho somsakazo we-FM sixhunywe ngabalaleli abaningi.
Ngokuyisisekelo, i-antenna ye-dipole transmitter ye-FM inezinhlobo ezi-3 ze-polarization: i-horizontal polarized, vertical polarized, kanye ne-circular polarized. I-polarzation yama-antenna amukelayo kanye nezimpondo ezidlulisayo kufanele kuhambisane.
Isinyathelo#4 Ukunaka i-Antenna VSWR
I-VSWR imele ukusebenza kahle kohlelo lwe-RF, uma luphansi, ukusebenza kahle okuphezulu kohlelo lwe-RF olunakho. Ngokuvamile, i-VSWR engaphansi kuka-2.0 iyamukeleka.
Ngakho-ke, udinga ukuqaphela ukuthi kubalulekile ukunaka izinga lezintambo kanye nezimpondo ze-dipole FM, nokugcina okokusebenza ngesikhathi.
Isinyathelo#5 Ukuthola Abahlinzeki Abathembekile
Ukufaka ama-antenna e-FM mhlawumbe kusenzima kumuntu, ikakhulukazi kulabo abasakazi be-FM, kungani ungatholi umphakeli onokwethenjelwa we-dipole fm onjenge-FMUSER?
Asikwazi ukukunikeza kuphela izimpondo ezingcono kakhulu ze-FM ze-dipole, kodwa futhi nohlelo oluhle kakhulu lwezinhlelo ze-FM zokuhlangabezana nezidingo zakho zokusakaza.
imibuzo ejwayelekile ukubuzwa
1. Umbuzo: Iyini i-dipole FM antenna?
A: Iwuhlobo lwe-antenna yokusakaza ye-FM equkethe izigxobo ezimbili.
I-antenna ye-dipole FM iqukethe izigxobo noma izingxenye ezimbili kanti ubude bezigxobo bunqunywa imvamisa yokusebenza. Ibhendi yokusakaza ye-FM imvamisa ukusuka ku-87.5 MHz iye ku-108 MHz emazweni amaningi.
2. Q: Ingabe i-antenna ye-FM i-omnidirectional noma iqondise?
A: Iwukuqondisa konke.
Empeleni, wonke ama-antenna e-dipole FM anephethini yemisebe ejwayelekile. Njengoba amandla ayo asakazwa ngamadigri angu-360 eduze kwe-antenna, wonke angama-omnidirectional antenna.
3. Q: Ungabala Kanjani Ubude Bezinto Ze-Dipole FM Antenna?
A: Ukusebenzisa ifomula: L=468/F
Kule fomula, u-L umele ubude bothi, ezinyaweni kuyilapho u-F emelela imvamisa edingekayo, ngo-MHz. Ngakho-ke, ubude be-elementi ngayinye bulingana nohhafu we-L.
4. Umbuzo: Ingabe I-FM Dipole Antennas Ilungile?
IMP: Yebo, futhi bathola umusa ngokuyisebenzisa kalula.
Ama-antenna e-FM asakazwayo angenye yezimpondo ezilula ukwakha, ukwakha noma ukumisa. Ziwusizo kakhulu futhi zingenza kahle kakhulu uma zakhiwe endaweni ephakeme.
Isiphetho
Kuleli khasi, sithola indlela yokukhetha i-antenna ye-dipole ye-FM ehamba phambili, kusukela ekuqinisekiseni izinhlobo zezimpondo ze-dipole, i-VSWR ye-antenna, futhi ekugcineni kuye ekukhetheni umphakeli ongcono kakhulu.
Okuqukethwe okukhulunywe ngenhla kusiza ukwehlisa izindleko zakho zokuthenga futhi kungakusiza ukwakha ukuqonda okungcono kwe-RF uma ungumuntu osanda kuhlanganyela kwezokusakaza.
U-FMUSER ungomunye wabahlinzeki be-antenna be-FM abahamba phambili e-China, xhumana nochwepheshe bethu be-RF, futhi uthole ikhotheshini yakamuva yemishini yethu yokusakaza, imikhiqizo engcono kakhulu, amanani angcono kakhulu!