Antenna gudaha for TV: Tilmaamo, noocyada, faa'iidada iyo khasaaraha

Waqtigan xaadirka ah, ku dhowaad guriga kasta waxay leedahay ugu yaraan hal set TV ee gudaha ama dibadda laga keeno. Si loo siiyo signal television warbaahinta ah waxay u baahan tahay antenna ah. Waxaa jira noocyo badan oo qaata qalabka. Waxaa loo kala qaybiyey sidii nooca signalka helay, ballan, qaabka iyo cabbirka. Mawduuca ku saabsan maanta our dood u adeegi doonaa sida qol antenna for TV. Guud ahaan, receptors sida loo isticmaalo unit ka taagan ma lagu rakibi karo ama baahida ku meel gaar ah. Ina keena aynu aragno waxa ay yihiin anteenooyinkooda indoor waayo, telefishanka, waxa qoreysa ay gartaa.

Alaabta noocan oo kala duwanaan karaan si waafaqsan nooca signalka helay (meter oo kala duwan decimeter), qaabka, cabbir, waxa laga yaabaa in dadban ama firfircoon. anteenooyinkooda gudaha loogu tala galay taleefishinka tahay liita ee sifooyinka ay go'an qalabka dibadda. Waxay ku siin karaan tayada wanaagsan ee signal kaliya ee ay joogaan of munaaraddii telefishanka hoos daaqadaha. Haddii ma aha, ka dibna dhibaatada ku bilaabmayaa ansaxiyo signalka. Inta badan aad ku arki kartaa sawirka marka anteeno indoor ku deldesheen oo daah bir ama xidhay in ay xabbadood oo silig, laakiin qiyaastaas oo aan ku jirnaa boos si loo hubiyo in a tayo signal fiican. Weli aad shaashadda TV "barafka" strip orodka iyo in ka badan.

Laakiin haddii aad weli xiiso u anteenooyinkooda indoor waayo, TV, ka dibna waxaan u baxaan tixgelinta cuntooyinkan. Qaabka uu qalabka ku xiran band signal helay. Sidaas darteed, kala duwan oo anteenooyinkooda jeedal meter baahsan, waxay u taagan yihiin laba dhererka hagaajin iyo rabitaan ah pin telescopic. A receptors labaad nooca caadiga ah waa decimeter - shan ama in ka badan kirishbooyada aluminium barbar xiran guud ahaan dadab iyo in ay ku yiilleen.

Haddii aad qabto wax kale ma jiro, iyo kaliya u baahan tahay in ay isticmaalaan version gudaha, ka dibna waxaa wanaagsan in la iibsado wax soo saarka noocan oo kale ah, sida antenna firfircoon si ay TV-ga. antenna firfircoon gudaha ayaa faa'iido sare. Laakiin ha iloobin in miisaanka saxan kastaa waxay leedahay hawlgalka kala duwan oo soo noqnoqoshada. Waxaa jira anteenooyinkooda indoor narrowband (-hal channel), broadband (multi-channel). qalab kasta oo la helo waa la tilmaamay in kala duwan MHz. Sida caadiga ah, anteenooyinkooda indoor leeyihiin kala duwan oo soo noq-xadidan. In uu yahay, channels qaar ka mid ah la samaysan karta in tayo fiican leh, kuwa kale waxay noqon doontaa xun, iyo kuwo kale weli ma maareeyo si ay ula qabsadaan. Halkan waa in la tixgeliyaa marka xulashada qalabka.

Gebogebadii, haddii aad u baahan tahay qalab qiime jaban fudud ah, sahlan oo dhakhso ah in la dhiso, ballaariyo ama, burburkii aad antenna indoor arrin ku haboon TV. Reviews of cuntooyinkan la yareeyo si ay xaqiiqda ah in ay yihiin is haysta iyo fududahay in la isticmaalo, la qaadi karo oo aan u baahnayn aqoon gaar ah u qotomiyey.