Ungawanamathisela Kanjani Omabonakude Abaningana Kothi Olulodwa?

Ungawanamathisela Kanjani Omabonakude Abaningana Kothi Olulodwa?

I-antenna ihlala ingcono kakhulu uma iqhathaniswa nethelevishini yekhebula. Uma unama-TV amaningi endlini yakho, njengoba abantu abaningi benawo, futhi awukwazi ukunamathisela uthi oluhlukile nge-TV ngayinye ukuze kube nendlela ongathuthukisa ngayo ukuxhumana kwamathelevishini amaningana nge-antenna efanayo yangaphandle. .

  

Ukusebenzisa i-antenna splitter kubonakala kuyindlela elula kakhulu yokusungula uxhumano lwama-TV amaningi ngothi olulodwa. Kodwa ukunciphisa ikhebula elihlangene elilodwa elisuka othini langaphandle liye ku-TV yakho akuwona umsebenzi oyisisekelo. Futhi, uma usebenzisa i-coax yekhwalithi ephansi, kukhona ukulahlekelwa amasiginali ngendlela njengoba intambo ye-coaxial yehla endlini yakho.

  

Inqubo ye-stepwise yokusungula uxhumano

   

Xhuma ama-TV amaningi ku-One Antenna

  

Ukukhetha intambo ye-coaxial

  

Ukukhetha uhlobo olulungile lwentambo ye-coaxial kubalulekile ngenkathi usungula uxhumano lwama-TV amaningi ngothi olulodwa. Ngakho-ke uma ufuna ukukhetha ikhebula le-coaxial, kungcono ngaso sonke isikhathi ukuhamba nezintambo ezisekelwe ethusi njengoba ziqinisekisa ukuthi kukhona ukulahlekelwa kwesignali ephansi uma kuqhathaniswa nezinye izintambo.

  

Ukukhetha intambo ye-coaxial

  

Intambo yocingo isivele inikezwe nothi. Ungasebenzisa futhi leyo ntambo ukuze uthole uxhumano, kodwa ikhwalithi yesithombe ayithenjiswanga nayo. Ukusebenzisa intambo ye-coaxial efanele kungakusiza ukuthi uthole amasignali ekhwalithi enhle ngisho noma usebenzisa uthi olulodwa ukuxhuma ama-TV endlu yakho yonke.

Ukukhetha intambo ye-coaxial

Intambo yocingo isivele inikezwe nothi Ungasebenzisa futhi leyo ntambo ukuze uthole uxhumano, kodwa ikhwalithi yesithombe ayithenjiswanga nayo. Ukusebenzisa intambo ye-coaxial efanele kungakusiza ukuthi uthole amasignali ekhwalithi enhle ngisho noma usebenzisa uthi olulodwa ukuxhuma ama-TV endlu yakho yonke.

Ukukhetha uhlobo olufanele lwe-antenna

Ukukhethwa kwe-antenna yasendlini nengaphandle kuncike emithethweni naseziqondisweni zendawo yangakini. Uma uvunyelwe ukuthi ube ne-antenna yangaphandle, khona-ke kungcono ukuthi uthole i-antenna yangaphandle eneziqondiso eziningi ukuze usungule uxhumano endlini yakho yonke.

  

Kungenxa yesizathu sokuthi ama-antenna angaphandle avame ukufakwa ngaphezu komhlaba njengoba amasignali asatshalaliswa emkhathini, ngakho-ke kungcono ukuthi uthi lwakho lube khona esikhaleni ukuze lwamukele kangcono amasignali amabili.

   

Kodwa akusho ukuthi awukwazi ukuba ne-antenna yasendlini I-antenna yasendlini enamandla ingaba umthombo wokunikezwa kwesignali kuma-TV akho. Ungakwazi futhi ukunamathisela idigri eyodwa noma amabili ngothi olulodwa lwasendlini futhi uthole olunye uthi lwenye i-TV, ngokulandelana.

   

Manje sesimi ngomumo nge-antenna efanele nentambo ye-coaxial. Isinyathelo esilandelayo ukusungula uxhumano lwe-antenna nawo wonke ama-TV azungeze indlu yakho.

Ukufakwa kwe-antenna

Ake sithi ufaka uthi olungaphandle okufanele kucatshangelwe ukuma kwalo. Ngale njongo, ungasebenzisa ikhampasi ukuze uqondise i-antenna yakho ngasembhoshongweni wokudlulisela. Kuvame ukushiwo ukuthi ungabeka i-antenna yangaphandle enezikhombisi-ndlela eziningi kunoma iyiphi indawo kanye nendawo oyithandayo. Noma kunjalo, ngisho nezimpondo eziningi zangaphandle zisebenza kahle kakhulu uma uzibeke endaweni efanele yesiteshi sokudlulisa.

  

Ukufakwa kwe-antenna

  

Njengoba i-antenna yakho ye-TV ifakiwe, udinga ukuskena ngesandla ku-TV yakho ukuze uhlole ukuthi mangaki amashaneli ongawafinyelela usuka ohlangothini oluthile lothi. Ukusebenzisa i-amplifier kusiza ekufinyeleleni iziteshi ze-TV ezengeziwe, kodwa kuyatuseka ukuthi uhlole isiteshi ngaphandle kokusebenzisa i-amplifier kuqala.

Ukukhetha uhlobo olufanele lwe-amplifier

I-antenna yasendlini ine-amplifier ekhona yokuthuthukisa amasignali; Nokho, nge-antenna yangaphandle, udinga i-amplifier ukuze uthuthukise ukusebenza kwayo. Ikakhulukazi kunezinhlobo ezimbili zama-amplifiers lezi zingama-pre-amplifiers kanye nezikhulisamandla zokusabalalisa.

  

Ukukhetha uhlobo olufanele lwe-amplifier

  

Ama-pre-amplifiers axhunywe phakathi kwentambo ye-coaxial kanye nothi. Ifakelwa ukuthuthukisa amasignali abanjwe uthi ngaphambi kokuba yamukelwe yi-TV. Ama-amplifiers okusabalalisa asetshenziswa uma sixhuma amadivayisi amaningi ngothi olulodwa. Ithuthukisa amandla esignali ngenkathi ihlukanisa isignali ngokulinganayo kuwo wonke amadivayisi. Esimweni sethu, sizobe sisebenzisa i-amplifier yokusabalalisa.

Ukukhetha isihlukanisi sesignali

Ungasebenzisa isihlukanisi sezindlela ezimbili noma ezintathu esihlukanisayo sendlela engu-2 siyisihlukanisi esinokulinganisela futhi sivumela ukuxhumana kuzo zombili iziphetho. Inezimbobo ezimbili zokuxhuma izintambo zamakhoaxial ngayo. I-splitter yezindlela ezintathu ngokuvamile ayilingani futhi inezimbobo ezintathu zokunamathisela amakhebuli angama-coaxial. Ukulahlekelwa kwesignali kwenzeka kukho konke ukuxhumana kwe-splitter yezindlela ezintathu.

  

Isihlukanisi sezindlela ezintathu esilinganayo siyatholakala futhi, okubonisa ukuthi ukulahlekelwa kwesignali kuyehla kusukela kuchweba ngalinye lama-coaxial. Ngakho-ke, ukukhetha kwesihlukanisi ozosithenga kuncike enanini lokuxhuma ofuna ukulisungula usebenzisa isihlukanisi.

  

Ukukhetha isihlukanisi sesignali

  

Isihlukanisi sihlukanisa isignali ngokulinganayo kuwo wonke ama-TV akho. Ngakho-ke uma usunamathisele ijezi ku-TV yakho, kuyancomeka ukuthi wenze ukuskena kwesiteshi mathupha ku-TV yakho ukuze uhlole ukuthi mangaki amasiginali awela phansi isihlukanisi sakho.

  

Lena yindlela ama-TV amaningi axhunywe ngayo othini olulodwa kusetshenziswa intambo ye-coaxial, i-antenna yangaphandle, i-amplifier, nezihlukanisi zesignali.

   

Inqubo esheshayo yokuxhuma ama-TV amaningi ngothi olulodwa

  

1. Thola i-coaxial splitter ehlanganisiwe nekhebula. Inamachweba amaningi okunamathiselwe kwezintambo ezimbalwa zentengiso ukuze kusungulwe uxhumano lwama-TV amaningi ngothi olulodwa lokwamukela.

 

2. Isinyathelo sesibili ukubekwa kothi lwakho. Faka i-antenna yangaphandle phezulu ngangokunokwenzeka ukuze uthole isignali engcono kakhulu.

  

3. Sebenzisa intambo eyodwa ye-coaxial eyehla isuka othini iye kuzihlukanisi bese uxhuma izintambo eziningi ezingamakhoaxial kudivayisi ngayinye ye-TV.

  

4. Ubude bentambo ye-coaxial kufanele bunyuswe, ngokufanayo kuye ngesidingo sakho sokuxhuma yonke i-TV ezungeze indlu yakho ngothi olulodwa.

  

5. Kutuswa ukuthi uvikele izintambo ze-coaxial ezindaweni eziphakeme ngangokunokwenzeka ukuze ungakhubeki phezu kwazo, noma intambo ye-coaxial ingabonakali ngendlela ye-loop, okuholela ekulahlekelweni kwesignali. Ikakhulukazi izintambo zamakhoaxial zigcinwa ziseduze nophahla ngangokunokwenzeka.

   

Ukushuna mathupha kufanele kwenziwe kumabonakude ngamunye ukusesha amashaneli e-TV adingekayo. Uma kufanele uxhume yonke i-TV esakhiweni sonke, kuyancomeka ukuthi usebenzise isihlukanisi esingaphezu kwesisodwa. Kodwa izinga lekhebula le-coaxial kufanele libe liphelele; uma kungenjalo, ikhwalithi yesithombe ayiqinisekisiwe kuwo wonke amasethi kamabonakude.

  

Iyiphi ingxenye ebaluleke kakhulu yokwenza ukuxhumana okuningi?

    

Ingxenye ebaluleke kakhulu ye-TV noxhumano lwe-antenna isihlukanisi sesignali. Njengoba intambo ye-coaxial esetshenziswa ekufakeni ibalulekile, isihlukanisi sesignali sibaluleke kakhulu. Kuyidivayisi esetshenziselwa ukusabalalisa amasiginali aphuma ku-antenna kuwo wonke amadivayisi akho ngosizo lwentambo ye-coaxial. Kuqukethe ukuphikiswa okuningi okuthuthukisa amasiginali avela kwiziphakeli zezinti kanye nokuya kuma-receptors e-TV.

  

ingxenye ebalulekile ekwenzeni ukuxhumana okuningi

  

Kunobubanzi obungashintshi befrikhwensi isihlukanisi sesiginali esivumela ukuthi sidlule kulo. Ngakho-ke, ngaphambi kokuthenga isihlukanisi sesignali, kufanele uhlole imvamisa yayo maqondana ne-antenna yakho. Isihlukanisi sesignali sakhiwe nge-aluminium siyenza iqine futhi ibe lula.

  

Isiphetho

  

Ngakho-ke ungakwazi ukuxhuma ama-TV amaningi ngothi olulodwa usebenzisa intambo ye-coaxial yekhwalithi enhle kanye nesihlukanisi sesignali. Kutuswa ukusebenzisa i-amplifier eqondisayo ukukhulisa amandla esignali avela ku-antenna.

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