Ama-UHF Combiners
Isihlanganisi se-UHF siwuhlobo lwesihlanganisi sesignali esisetshenziselwa ukuhlanganisa amasignali amaningi kusibonisi se-ultra-high frequency (UHF) sibe isignali yokuphuma eyodwa noma amabili. Kwaziwa nangokuthi ifrikhwensi yomsakazo ehlanganisa inethiwekhi noma i-diplexer. Izinhlelo zokusebenza ezijwayelekile zesihlanganisi se-UHF transmitter zihlanganisa ukuhlanganisa amasiginali kamabonakude amaningi abe yikhebula eyodwa noma ukuhlanganisa amasignali amaningi omsakazo abe uthi olulodwa. Ukwengeza, izihlanganisi ze-UHF zingasetshenziselwa ukuhlanganisa ama-transmitters amaningi zibe uthi olulodwa lokusakaza, ukuhlanganisa izamukeli eziningi zibe uthi olulodwa lokwamukela amasignali, nokuhlanganisa amanethiwekhi amaningi angenantambo abe uthi olulodwa.
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:11
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:9
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:7
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:7
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:7
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:4
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:2
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:2
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:9
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:7
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:9
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:4
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Inani(USD):Cela ikhotheshini
Kuthengisiwe:6
- Usisebenzisa kanjani isihlanganisi se-UHF ukusakaza?
- Izinyathelo zokufaka kahle isihlanganisi se-UHF esiteshini sokusakaza:
1. Faka isihlanganisi endaweni eyomile, engenalo uthuli.
2. Xhuma konke okokufaka kwe-antenna ye-UHF kusihlanganisi ngendlela efanele.
3. Xhuma okukhiphayo kwesihlanganisi kusidlulisi.
4. Qiniseka ukuthi usigaya kahle isihlanganisi.
5. Qinisekisa ukuthi zonke izingxenye zixhumeke kahle futhi zisebenza.
Izinkinga ezijwayelekile okufanele uzigweme uma usebenzisa isihlanganisi se-UHF esiteshini sokusakaza:
1. Ukuxhuma uhlobo olungalungile lwe-antenna kusihlanganisi.
2. Ukungaxhumi isihlanganisi endaweni efanele.
3. Ukungashuni kahle isihlanganisi.
4. Ukungawabeki kahle amazinga amandla ama-transmitter axhunyiwe.
5. Ukungabeki imvamisa efanele kusihlanganisi.
- Sisebenza kanjani isihlanganisi se-UHF?
- Isihlanganisi se-UHF iyithuluzi elisetshenziswa eziteshini zokusakaza ukuze kuhlanganiswe amasiginali amaningi e-UHF kube okukhiphayo okukodwa. Isebenza ngokuhlanganisa amasignali avela kuma-transmitters amaningi futhi iwakhulise abe okukhiphayo okukodwa. Lokhu kuvumela abasakazi ukuthi baqinisekise ukuthi isignali evela kuma-transmitters amaningi ihlanganiswa ibe yisignali eyodwa enamandla engatholwa umamukeli.
- Kungani isihlanganisi se-UHF sibalulekile esiteshini somsakazo?
- Isihlanganisi se-UHF sibalulekile eziteshini zokusakaza ngoba sihlanganisa amasiginali amaningi e-UHF kube okukhiphayo okukodwa, okuvumela abasakazi ukuthi bakhe ukudluliselwa kwesiginali yabo ngokuphumelelayo. Lokhu kuvumela abasakazi ukuthi bafinyelele izethameli eziningi, kunciphisa inani lamandla adingekayo kanye nemishini edingekayo ukuze badlulise isignali yabo. Kudingeka isiteshi sokusakaza uma sifuna ukufinyelela ababukeli abaningi.
- Zingaki izinhlobo zezihlanganisi ze-VHF ezikhona futhi yimuphi umehluko phakathi kwazo?
- Kunezinhlobo ezimbili eziyinhloko zezihlanganisi ze-UHF: i-passive nesebenzayo. Izihlanganisi ze-Passive UHF zingamadivayisi alula, abiza kancane ahlanganisa amasiginali amaningi abe isignali eyodwa ngokulahleka kwesignali okuncane. Izihlanganisi ze-UHF ezisebenzayo zingamadivayisi ayinkimbinkimbi ahlanganisa ama-amplifiers nezihlungi ukuze kuthuthukiswe ukuzuza kwesignali nokunciphisa umsindo. Umehluko omkhulu phakathi kwakho kokubili ukuthi izihlanganisi ze-UHF ezisebenzayo zibiza kakhulu futhi zinikeza ikhwalithi yesignali engcono, kuyilapho izihlanganisi ze-UHF ezingenzi lutho zilula, zibiza kancane, futhi zinikeza ikhwalithi yesignali empofu.
- Ungasikhetha kanjani isihlanganisi se-VHF esihle kakhulu?
- Lapho ukhetha isihlanganisi se-UHF esingcono kakhulu sesiteshi sokusakaza, kubalulekile ukucabangela inani lokokufaka nokuphumayo, inzuzo, isibalo somsindo, ukuhlukaniswa, ukulahlekelwa yimbuyiselo, nokubamba amandla. Ukwengeza, kufanele uqiniseke ukuthi ubuyekeza ikhwalithi yokwakha, iwaranti, nokwesekwa kwamakhasimende enkampani. Okokugcina, kufanele uqhathanise izintengo nezici kuwo wonke amabhrendi amaningi ukuze uqinisekise ukuthi uthola inani elingcono kakhulu lemali yakho.
- Usixhuma kanjani kahle isihlanganisi se-UHF ohlelweni lokusakaza?
- 1. Xhuma okukhiphayo kwe-exciter kokokufaka kwesihlanganisi se-UHF.
2. Xhuma okukhiphayo kwesihlanganisi se-UHF kokokufaka kwe-amplifier.
3. Xhuma okukhiphayo kweamplifier kokokufaka uthingo.
4. Qinisekisa ukuthi zonke izintambo zivikelekile futhi zinesisekelo esifanele.
5. Lungisa inzuzo ye-amplifier njengoba kudingeka.
6. Hlola isihlanganisi se-UHF ngejeneretha yesignali ukuze uqinisekise ukusebenza kahle.
- Yiziphi izinto ezisetshenziswayo ezihlobene nesihlanganisi se-UHF?
- Imishini ehlobene nesihlanganisi se-UHF esiteshini sokusakaza ihlanganisa ama-antenna array, ama-antenna couplers, ama-amplifiers e-RF, izihlungi ze-RF, ama-switch switch, ama-RF attenuators, nezinto zikagesi.
- Yiziphi izici ezibaluleke kakhulu zomzimba neze-RF zesihlanganisi se-UHF?
- Izicaciso ezibaluleke kakhulu zomzimba neze-RF zesihlanganisi se-UHF zifaka:
Imininingwane Engokwenyama:
• Ubukhulu: Usayizi wesihlanganisi ubalulekile uma ucabangela ukuthi uzongena yini endaweni etholakalayo.
• Isisindo: Isisindo sesihlanganisi kufanele sicatshangelwe uma kubhekwa ukuthi singathuthwa futhi sifakwe kalula.
• Indawo ebiyelwe: Indawo ebiyelwe yesihlanganisi kufanele iqine ngokwanele ukuvikela izingxenye zangaphakathi ezimweni zemvelo.
Imininingwane ye-RF:
• I-Frequency Range: Ibanga lefrikhwensi yesihlanganisi kufanele limboze ibanga lefrikhwensi le-UHF elifunekayo, ngokuvamile eliphakathi kuka-470-698 MHz.
• Ukuzihlukanisa: Ukuhlukaniswa kwesihlanganisi kufanele kube phezulu ngokwanele ukuze kuqinisekiswe ukuthi amasiginali asuka echwebeni ngalinye awaphazamisi enye nenye.
• Ukulahlekelwa Kokufaka: Ukulahlekelwa kokufaka kwesihlanganisi kufanele kube phansi ngokwanele ukuze amandla esignali angancishisi kakhulu njengoba edlula kusihlanganisi.
• Ukulahlekelwa Kokubuyisela: Ukulahlekelwa yimbuyiselo yesihlanganisi kufanele kube phezulu ngokwanele ukuze kuqinisekiswe ukuthi isignali iboniswa emuva ngokuhlanekezela okuncane.
- Usigcina kanjani kahle isihlanganisi se-UHF njengonjiniyela?
- 1. Hlola isihlanganisi ukuze uthole noma yiziphi izimpawu zokulimala ngokomzimba noma ukonakala.
2. Hlanza izingxenye zangaphakathi zesihlanganisi ngendwangu eyomile kanye/noma umoya ocindezelwe ukuze ususe uthuli nemfucumfucu.
3. Hlola okokufaka kwe-RF namazinga okukhiphayo usebenzisa imitha ye-watt ye-RF.
4. Hlola zonke izintambo nezixhumi ukuze uthole noma yikuphi ukuxhumana okuxekethile noma okunephutha.
5. Hlola amazinga kagesi kanye namazinga kagesi ukuze uqinisekise ukuthi angaphakathi kwemingcele evamile yokusebenza.
6. Hlola izilungiselelo nokulungiswa kwezihlungi zesihlanganisi nebhendi yokungena ukuze uqinisekise ukuthi zilungile.
7. Yenza noma yikuphi ukulungisa okudingekayo noma ukushintshwa.
8. Bhala yonke imisebenzi yesondlo.
- Usilungisa kanjani isihlanganisi se-UHF uma singasebenzi?
- Ukuze ulungise isihlanganisi se-UHF, uzodinga ukukhomba inkinga kuqala. Uma isihlanganisi singasebenzi, uzodinga ukuthi uhlole zonke izingxenye zaso ukuze uthole noma yiziphi izimpawu zokulimala noma ukuwohloka. Uma inkinga isiphawuliwe, ungabuyisela noma yiziphi izingxenye eziphukile noma ezingasebenzi kahle. Kuya ngohlobo lwesihlanganisi se-UHF, ungadinga ukusebenzisa amathuluzi akhethekile nezingxenye ukuze ulungise. Uma izingxenye sezishintshiwe, kufanele ukwazi ukuhlola ngokugcwele isihlanganisi futhi uqinisekise ukuthi sisebenza ngendlela efanele.
- Ukhetha kanjani ukupakishwa okufanele kwesihlanganisi se-UHF?
- Lapho ukhetha ukupakisha okulungile kwesihlanganisi se-UHF, kubalulekile ukwenza isiqiniseko sokuthi ukupakishwa kuklanyelwe ukuhlinzeka ngokuvikelwa okwanele othulini, umswakama, nezinye izakhi zemvelo. Ukwengeza, ukupakishwa kufanele kuqine ngokwanele ukuvikela isihlanganisi ekulimaleni ngokomzimba ngesikhathi sokuthunyelwa nokuphathwa. Lapho uthutha isihlanganisi, kufanele kuqashelwe okwengeziwe ukuze kuqinisekiswe ukuthi sivikelwe kahle, njengoba ukunyakaza noma ukudlidliza ngesikhathi sokuthutha kungalimaza isihlanganisi.
- Yiziphi izinto ezisetshenziselwa ukufakwa kwe-casing yesihlanganisi se-UHF?
- I-casing yesihlanganisi se-UHF ngokuvamile senziwa ngensimbi, njenge-aluminium noma insimbi, futhi lezi zinto ngeke zithikameze ukusebenza kwedivayisi.
- Siyini isakhiwo esiyisisekelo sesihlanganisi se-UHF?
- Isakhiwo esiyisisekelo sesihlanganisi se-UHF siqukethe inethiwekhi yokufaka, inethiwekhi yokuxuba, inethiwekhi yokuphumayo nesihlungi. Inethiwekhi yokufaka inesibopho sokuqondisa amasignali okokufaka kumhlanganisi, kuyilapho inethiwekhi yokuxuba inesibopho sokuhlanganisa amasignali. Inethiwekhi yokuphumayo inesibopho sokuthatha isignali ehlanganisiwe futhi iyiqondise kokuphumayo okufunayo. Okokugcina, isihlungi sinesibopho sokuvimbela amasiginali nama-harmonics angafuneki. Ngayinye yalezi zakhiwo idlala indima ebalulekile ekunqumeni ukusebenza nezimfanelo zesihlanganisi. Ngaphandle kwanoma iyiphi yalezi zakhiwo, isihlanganisi besingeke sikwazi ukusebenza ngendlela evamile.
- Ubani okufanele abelwe ukusebenzisa isihlanganisi se-UHF?
- Umuntu owabelwe ukuphatha isihlanganisi se-UHF esiteshini sokusakaza kufanele abe nekhono lobuchwepheshe, amakhono okuxazulula izinkinga, kanye nekhono lokusebenza ngokuzimela.
- Unjani?
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