A matsayin wani yanki mai mahimmanci na sadarwa mara waya, ainihin aikin eriya shine haskakawa da karɓar igiyoyin rediyo.Ayyukan shine canza igiyar lantarki daga tashar talabijin zuwa ƙarfin sigina zuwa babban mitar.
Yadda eriyar Talabijin ke aiki ita ce idan igiyar wutar lantarki ta motsa gaba, sai ta buga eriya ta ƙarfe, ta yanke layin maganadisu, kuma yana haifar da ƙarfin lantarki, wato wutar lantarki.
A matsayin muhimmin ɓangare na tsarin sadarwa, aikin eriya yana rinjayar ma'aunin tsarin sadarwa kai tsaye.Dole ne mai amfani ya fara kula da aikinsa lokacin zabar eriya.
Ɗaya daga cikin manyan alamomin eriya shine riba, wanda shine samfurin ma'auni na jagora da inganci, kuma shine bayanin girman raƙuman eriya ko raƙuman ruwa da aka karɓa. Zaɓin girman riba ya dogara da bukatun da ake bukata. ƙirar tsarin don yankin ɗaukar igiyoyin rediyo.A taƙaice, a ƙarƙashin yanayi iri ɗaya, mafi girman riba, mafi nisa nisan yada igiyoyin rediyo.Gabaɗaya, eriyar tashar tushe tana ɗaukar eriyar riba mai girma, kuma eriyar tashar tafi da gidanka tana ɗaukar ƙaramin eriyar riba.
eriyar karɓar TV gabaɗaya eriyar layi ce ( eriya mai karɓar tauraron dan adam eriya ce ta sama), bisa ga kewayon mitar siginar da aka karɓa ana iya raba shi zuwa eriyar VHF, eriyar UHF da eriyar duk tashoshi;Dangane da niɗin band ɗin mitar eriyar karɓa, an raba shi zuwa eriya mai tashoshi ɗaya da eriyar mitar.Dangane da tsarinsa, ana iya raba shi zuwa eriyar jagora, eriyar zobe, eriyar kashin kifi, eriya lokaci-lokaci da sauransu.
Shirye-shiryen TV na bude-dawafi da tsarin TV ɗin kebul ya karɓa ya ƙunshi nau'ikan mitoci biyu: ⅵ (tashar 1-4) da ⅷ (tashar 6-12) a cikin rukunin VHF da UIV (tashar 13-24) da UV (tashar 25- 48) UHF band.A cikin rukunin mitar VHF, eriyar tashar ta musamman wacce ke karɓar siginar TV na takamaiman tasha an zaɓi gabaɗaya, kuma an zaɓi mafi kyawun matsayi na karɓa don shigarwa, don haka yana da fa'idodi na babban riba, zaɓi mai kyau da jagora mai ƙarfi.Koyaya, eriyar ɓangaren-band da aka yi amfani da ita a cikin ⅵ da ⅷ da eriyar duk tashoshi da ake amfani da su a cikin VHF suna da faffadan mitar mitar da ƙarancin riba, waɗanda suka dace da wasu ƙananan tsarin kawai.A cikin rukunin mitar UHF, eriya biyu na mitar band ɗin gaba ɗaya na iya karɓar shirye-shiryen talabijin na tashoshi da yawa waɗanda ke da alaƙa da juna.
Lokacin aikawa: Agusta-25-2022