HomelinessLaftaada ayaa sidaas samayn

Anteenada TV: gacmihiisa ha samaynina wax sidaas u adag

Markaasaa dadkii oo dhammu mararka qaarkood heli channels TV Heerka caajisin oo ay naftaada ku xidhi saxanka dayax-gacmeedka ama cable TV, taas oo weeyaan kharash dheeraad ah. More inta badan inay bixiyaan cable ama xiriir saxan (marka laga reebo laga yaabaa in waqtiga stock in shirkadda a) iyo bil walba in lagu bixiyo wax aad muujisay gudbinta. Mararka qaarkood xaaladda dhaqaale uma uu oggolaado in muwaadiniinta si loogu bixiyo adeegyada sida. Halkan yimaado gargaarka aqoonta korantada iyo injineernimada radio. In dib u eegis this, waxaad ku baran doontaa sida loo sameeyo antenna in ay TV-ga oo gacmihiisa.

Waxaad u baahan tahay si ay u abuuraan anteeno

Haddii aad ku nooshahay khadka hortiisa ka teleradiovyshki, anteeno ka, kaas oo laga wada hadli doonaa, waa arrin waxtar leh. dhismaha is-dhigay Individual arrin awoodaan in ay bixiyaan tiro weyn ee channels TV, in kastoo aan in sida tayada wanaagsan. In si ay u ka jawaabo su'aasha ah sida si ay u abuuraan antenna ah TV gacmahoodii, oo aan aqoon wax kasta oo gaar ah oo qoto dheer in qalabka korontada iyo alaabta waa mid aad u fudud oo jaban. Waxaan u baahan nahay: silig copper ballaciisu yahay ee laba ilaa saddex milimitir dheer iyo toddobaatan sentimitir, xoogaa yar oo Maro adag double-madaxyo simanna, nus mitir cable TV coaxial la impedance ee todobaatan iyo shan ohms, iyo sidoo kale-F isku xira. antenna noocan oo kale ah waa wax fudud si aad u hesho calaamadaha kala duwan UHF iyo ku filan awood signal - duwan meter la ruxruxo. Sida silig copper si fiican yahay silig adag haboon xarkaha.

La shaqaynta fiilooyin

Inta lagu guda jiro jawaab search su'aasha ku saabsan sida loo sameeyo antenna in ay TV-ga oo aad gacmihiinna, waxaad u baahan doontaa in la silig ka qabtaan. Haddii ay dhacdo in a fiilooyinka yar, ka dibna, si tartiib ah shaqada mindidii, gooyay jeexdin ah ay weheliyaan mid ka mid ah kirishbooyada ah, isagoo taxadir in aadan waxyeellayn ningax ah, inkasta oo ay tani muhiim ma aha in - qalabka qalabada la ciyaari doonta door waadixa bilicsanaanta. Heshii, looks aan aad u fiican oo kaliya silig dhashay. Guud ahaan, anteenada TV, isagoo gacmihiisa ku sameeyey, waa la xiran karaa kharash ku silig aluminium. Laakiin waxaa lagama maarmaan ah in la fahmo in ay lagama maarmaan tahay in ay ku xidhmaan xidhiidhka ka dhafnaa la xiriiro ku saabsan transformer kusaabsan guddiga. Waxaa muhiim ah in la xasuusto in ammaanka lowska uusan taaban bireed transformer ah, haddii kale waxaa lagama maarmaan ah in la isticmaalo dhaqe ah qalabada ama jar-bireed. Haddii ay sidaa tahay, haddii silig la tagay oo aan ningax, waxaa suurtagal ah aawadiis quruxda iyo ixtiraamka shuruucda gudaha saaray uu tuubooyin chloride vinylalkohol.

Waxaan qaab siino dhismaha

Taasi antenna ee TV, la dhigtay inuu gacmihiisa, qaaday qaab goobaabin, waa arrin baaldi ku haboon ee rinjiga ama shay kasta oo kale oo qaab cylindrical. Waxaa muhiim ah in la xasuusto in dhexroorka goobada waa in ay ahaataa oo ku saabsan laba boqol iyo labaatan milimitir, inkasta oo aanay qasab ahayn, in laba milimitir qalad ma aha mid muhiim. Si loo soo saaro guddiga transformer u dhigma ah - shaqo halkii ay adag tahay, marka shaqada la soo dhaafay on anteeno la barbar dhigo. Fee waxaa ugu fiican ka Maro adag millimeter badh qaro weyn oo size ee 25x30 milimitir sameeyey.

gunaanad

On su'aasha ah ee sida loo sameeyo antenna ee la oran karo waa xalin. Waxaa weli kaliya in ay ku rid meesha uu doonayo oo uu bilaabo inuu qotomiyey channels TV. Haddaba si aan u ogaanno waxa dhismeedka in ay muujiyaan channels TV, in aad ka jawaabto su'aasha ah ee sida loo sameeyo antenna ah raadiyaha la gacmihiisa awood u yeelan doonaan. nasiib wacan daawashada TV la cusub, is-dhigay, antenna ah!

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