Ungakhetha kanjani ikhebula lethelevishini le-antenna, iyiphi intambo ye-TV engcono

Ikhebula le-TV ye-antenna – indlela yokukhetha ikhebula lekhebula ne-TV yedijithali nendlela yokuxhuma ikhebula lothi ngendlela efanele. Ukuze ubuke i-TV, awudingi kuphela umamukeli wethelevishini wangempela, kodwa futhi nekhono lokusebenzisa i-antenna yekhwalithi ephezulu ezohlinzeka ngesignali yethelevishini. Ukuze unikeze isignali ku-TV, udinga ikhebula elikhethekile. Uma ikhethwe ngokungalungile noma yonakalisiwe, khona-ke ikhwalithi yokubuka ayikwazi ukuqinisekiswa.
Ikhebula elinjalo lizoxhunywa ku-antenna ngakolunye uhlangothi, nakumamukeli noma ku-TV ngakolunye.

Ngisho noma kusetshenziswa ikhebula elihle, lapho uxhuma, udinga ukuhlola ikhwalithi yokuxhumana. Kulokhu, kufanele kukhunjulwe ukuthi ukulingana okuxekethile, izindawo ezingcolile noma iminonjana yokugqwala kunganciphisa kakhulu ikhwalithi yesiginali yethelevishini etholiwe.

Ukuze intambo kamabonakude isebenze kahle, ihlanganisa lezi zingxenye ezilandelayo:

1. Ngaphakathi kunocingo olulodwa noma impahla ehlanganisa ama-cores amaningana. Kwezinye izimo, ithubhu yethusi elincanyana lingase isetshenziselwe lokhu.

2. Kukhona ungqimba lwe-insulation nxazonke, okwandisa amandla omshini wekhebula.
3. Bese kuba khona umluko wensimbi ohlinzeka ngokuvikela ekuphazamisekeni. Ingenziwa nge-foil noma ngocingo oluncane.
4. Kukhona elinye igobolondo elisebenza njengomqhubi wesibili.
5. Okulandelayo ngomunye ungqimba oluvikelayo.

Amakhebuli ezinhlobo ezahlukene zezimpondo ahlelwa ngendlela efanayo. Umehluko usezicini zezinto ezisetshenziswayo kanye nezici zekhebula.

Izinhlobo zezintambo zikamabonakude

Kunezinhlobo eziningana ezivame kakhulu zezintambo. Okulandelayo incazelo yezici zabo.

I-SAT703

Le ntambo ye-TV ihlanganisa ikhwalithi ephezulu yokudlulisa isignali namandla abalulekile emishini. Ifanele ukuxhuma uthingo oluqhele ngamamitha angama-50. Ikhebula lisetshenziselwa ukusebenza ngazo zombili izimpondo ezingaphandle nangaphakathi. Inzuzo icishe ibe ngu-80 dB. Le ntambo ibuye ifaneleke ezimweni lapho ukusetshenziswa kwe-splitter kuyadingeka. Igobolondo lenziwe nge-polyethylene futhi linombala omhlophe.

RK 75

Lena intambo yesiRashiya. I-insulation yangaphandle yenziwe nge-polyvinyl chloride futhi inikeza izinga eliphezulu lokuvikela ngesikhathi sokusetshenziswa. Umluko wenziwa ngethusi elithayiwe. Kukhona ukumelana okuphezulu kwezimo ezihlukahlukene zokushisa. Ikhebula lingasetshenziswa emazingeni okushisa ukusuka -60 kuya +60 degrees. Ivikelwe emisebeni ye-UV futhi ayizwani nemvula. Enye yezinzuzo yinani elithengekayo.

I-DG 113

Ifanele ukusetshenziswa nanoma yiluphi uhlobo lwe-antenna – isathelayithi, idijithali noma yasemhlabeni. Ukusetshenziswa kwesendlalelo se-hydrocarbon ku-dielectric enegwebu kunikeza isivikelo somswakama esinamandla. Ukuqhekeka cishe akukaze kwenzeke ngesikhathi sokusebenza isikhathi eside. Umkhiqizi uthi impilo yesevisi yekhebula okungenani iminyaka engu-15. Ivamise ukusetshenziselwa ukubeka ngaphandle.

Ukukhetha ikhebula le-antenna ngezimo namathuba ahlukene

Ukuze ukhethe ikhebuli ye-TV efanele, kufanele uqale unake okulandelayo:

1. Kudingeka ukuthi kubhekwe ukuthi yiluphi uhlobo lokusakaza okudingeka luthengwe – lwe-analog noma lwedijithali.
2. Udinga ukunquma ukuthi mangaki amadivaysi ohlela ukuwaxhuma othini.
3. Kuzosiza uma umnikazi eqala edweba ukwakheka kwekhebula nokuxhumeka kwayo kumadivayisi.
4. Kuyadingeka ukucabangela ukuthi i-antenna ikhona kuphi – ekamelweni, odongeni olungaphandle, emnyango noma ophahleni.
5. Kuyadingeka ukucabangela ukuthi isignali kamabonakude izodluliswa kude kangakanani phezu kwekhebula. Uma ibalulekile, kunenzuzo enkulu ukuthenga ikhebula lekhwalithi ephezulu.

Ukuze uqinisekise ukuxhumana kwekhwalithi ephezulu, kuyadingeka ukuthi ukumelana nekhebula kube okungenani ama-ohms angama-75.

I-sheath yangaphandle yekhebula ingenziwa nge-polyethylene noma i-polyvinyl chloride. Esokuqala simhlophe, kwesesibili simnyama. Uma i-antenna itholakala emgwaqeni, leyo ene-PVC sheath ivame ukukhethwa. Ikhebula elinjalo libhekwa njengelivikeleke kakhulu esimweni sezulu esibi. Kodwa-ke, khumbula ukuthi ikhebula le-SAT 703 libuye lifanele le njongo, nakuba ungqimba lwayo oluvikelayo lwenziwe nge-polyethylene futhi lumhlophe. Ikhebuli ye-SAT 703:
Ukuqina kwegobolondo kunikeza amandla kunikeza ukumelana nokugoba. Ukuvikelwa ekulimaleni kwemishini kusiza ukwandisa impilo yekhebula. Kuyinzuzo ukusebenzisa ucingo lwethusi njengomgogodla ophakathi. Kuyavunywa ukuthi ihlinzeka ngokudluliswa kwesignali engcono futhi inikeza ukuvikeleka okuphezulu emonakalweni wengozi. Okunye okuhlukile komthambo omaphakathi nakho kuyasetshenziswa ngenkuthalo. Ubukhulu bocingo kufanele bube phakathi kuka-0.3 no-1.0 mm. Kungcono ukukhetha ucingo olunengxenye enkulu yesiphambano. Lokhu kuzosiza ekunciphiseni ukuncipha ngesikhathi sokudlulisa isignali. Uma ukhetha ukushuba kwekhebula, cabanga ngalokhu okulandelayo. Ezacile kulula ukuyibeka, njengoba inekhono elingcono lokugoba. Ebangeni elifushane, izokwazi ukuhlinzeka ngokudluliswa kwesignali yekhwalithi ephezulu. Intambo ewugqinsi izothola isignali enhle emabangeni amade, kodwa kuzoba nzima ukugoba, okungase ngezinye izikhathi kubangele izinkinga zomzila. Uma kunesidingo, kungase kudingeke uthenge i-amplifier yesignali. Ukuze unqume ubude bekhebula, kulula ukusebenzisa umdwebo ohlanganiswe ngaphambilini. Kuyadingeka ukubala ubude obudingekayo kuwo. Kungcono ukuthenga nge-margin encane. Lokhu kuyadingeka, isibonelo, uma indawo yekhebula ishintshwa kamuva noma uma ilimele ngephutha. Kungcono ukuthenga nge-margin encane. Lokhu kuyadingeka, isibonelo, uma indawo yekhebula ishintshwa kamuva noma uma ilimele ngephutha. Kungcono ukuthenga nge-margin encane. Lokhu kuyadingeka, isibonelo, uma indawo yekhebula ishintshwa kamuva noma uma ilimele ngephutha.

Indlela yokubeka ikhebula le-antenna bese uxhuma uthi

Ukuze wenze uxhumano, kufanele ucabangele indawo ye-antenna. Ezindlini zasemadolobheni, zingatholakala odongeni lwangaphandle lwendlu, endlini noma ophahleni lwendlu. Esimweni sokugcina, sivame ukukhuluma ngama-antenna ahloselwe ukusetshenziswa ndawonye. Endlini yangasese, isimo siyafana – lapha i-antenna ingatholakala ngaphakathi kwendlu, odongeni noma ophahleni lwayo. Ukuxhuma ku-antenna evamile esakhiweni sokuhlala:
Ukuze uxhume uthi, udinga ukulungiselela okulandelayo:

1. Ikhebula lokuxhuma.
2. Isixhumi se-F sihlinzeka ngoxhumano lwekhwalithi yekhebula ku-antenna, okungavumeli ukuhlanekezela kwesignali yethelevishini esakazwayo noma ukubonakala kokuphazanyiswa.
3. I-splitter iyadingeka ezimeni lapho udinga ukuxhuma amadivaysi amaningana athola isignali yethelevishini ku-antenna eyodwa. Isihlukanisi ngasinye sinenombolo ethile yezixhumi, ezikhawulela inombolo enkulu yamadivayisi axhunyiwe.
4. Isokhethi yothi ingasetshenziswa. Ukusetshenziswa kwayo kunenzuzo ezimweni lapho umnikazi efuna ukufihla izintambo odongeni.
5. I-antenna jack inikeza uxhumano lwekhebula oluqondile ku-TV. Inezixhumi ezimbili – esinye sazo siklanyelwe ukuxhuma isixhumi sika-F sekhebula, esinye sihambisana nesixhumi esiku-TV noma esamukeli.

Izingxenye ezisebenzayo ukuxhuma ikhebuli yothi:
Kwezinye izimo, uma ikhebula elide kakhulu lisetshenziswa, lizonciphisa isignali eyamukelwe, okunciphisa izinga lokubuka ithelevishini. Esimweni esinjalo, kunenzuzo ukusebenzisa i-amplifier efanele. Uma i-antenna ingaphandle, ingaba sengcupheni yokushaywa umbani. Ukufaka isivikelo sombani kuzosiza ukuvimbela umonakalo esimweni esinjalo. Lapho uxhuma ku-antenna evamile esakhiweni esihlala efulethini, kuvame ukuba namasokhethi akhethekile ebhodini lokushintshela ku-stairwell ukuze uxhumeke usebenzisa isixhumi sika-F. Uma i-antenna yakho isetshenziswa, ikhebula kufanele lihanjiswe ngaphakathi endlini. Indlela yokuhlikihla nokuxhuma isixhumi sentambo ye-TV F: https://youtu.be/QHEgt99mTkY Lapho uhlela, udinga ukucabangela ukumiswa kwezakhiwo, inombolo kanye nendawo yezamukeli zikamabonakude. Ngokwesibonelo, uma kukhona ama-TV amabili efulethini noma endlini, khona-ke ukukhombisa izinhlelo ozodinga ukusebenzisa i-splitter, lapho izintambo zizoxhunywa khona kumadivayisi ngamunye. Uma une-TV eyodwa, asikho isidingo sokusebenzisa isihlukanisi. Ngemva kokunquma indawo, udinga ukudweba umdwebo wezintambo. Uma i-splitter isetshenziswa, kufanele ibekwe endaweni lapho kuzoba lula ukudonsa izintambo kumamukeli ngamunye. Lapho ubeka ikhebula, okulandelayo kufanele kucatshangelwe: kufanele ibekwe endaweni lapho kuzoba lula ukudonsa izintambo kumamukeli ngamunye. Lapho ubeka ikhebula, okulandelayo kufanele kucatshangelwe: kufanele ibekwe endaweni lapho kuzoba lula ukudonsa izintambo kumamukeli ngamunye. Lapho ubeka ikhebula, okulandelayo kufanele kucatshangelwe:

1. Uma ukugoba okucijile kwakhiwa ngesikhathi sokufakwa, lokhu kungase kubangele izinga eliphansi lokubonisa kanye nokulimala kocingo. Izimo ezinjalo kufanele zigwenywe.
2. Ukusonta kwandisa ithuba lokuphazamiseka. Lokhu kuzokwehlisa kakhulu izinga lesiginali yethelevishini eyamukelwe.
3. Uma ubude bekhebula bubude, kulapho kunconywa ukuthi ukhethe ikhwalithi yesiginali. Uma idlula amamitha angu-35, udinga ukusebenzisa i-amplifier .
4. Izinga lokuphakelwa kwamandla lidlala indima ebalulekile. Uma kunamathuba aphezulu okuzuma kwamandla okungazelelwe lapho ikhebula libekwe khona, kufanele usebenzise i-stabilizer.
5. Lapho kunemithombo yokushisa enamandla endlini, kufanele igwenywe lapho ubeka ucingo. Ukuchayeka isikhathi eside ekushiseni kungase kunciphise ukusebenza kwakho.
6. Labo abasebenzisa i-drywall noma izindonga ezifanayo efulethini kufanele basebenzise ibhokisi elikhethekile lekhebula ezimweni lapho ukubekwa kwenzeka ngemuva kwabo.
7. Izintambo zikagesi noma izinto zikagesi zasendlini ezinamaza anamandla angena emanzini kufanele zigwenywe. Uma wephula lo mthetho, khona-ke kuzoba nokuphazamiseka ekudluliselweni kwesignali.
8. Kunconywa ukusebenzisa ucezu olulodwa lwekhebula esigabeni ngasinye. Uma iphukile ibe yizicucu eziningana, izinga lomsebenzi lizowohloka.

Ngemva kokuqedwa kokufakwa kwekhebula, udinga ukuhlola ikhwalithi yomsebenzi ngokuvula i-TV. Uma ukufakwa kwenziwe ngendlela efanele, ikhwalithi yokusakaza izoba yinhle.