Iindaba zeshishini

Isakhiwo esisisiseko socango lwegaraji olukude

2021-11-11
Inxalenye yothumelo yeiremote yocango lwegarajiyahlulahlulwe ngokubanzi ngokweendidi ezimbini, ezizezi, isilawuli kude(iremote yocango lwegaraji)kunye nemodyuli yokudlulisa. Isilawuli esikude kunye nemodyuli yolawulo olukude zezendlela yokusetyenziswa. Isilawuli esikude sinokusetyenziswa ngokuzimeleyo njengomatshini opheleleyo, kwaye umgca ophumayo wangaphandle unentloko yemfumba ye-wiring; Imodyuli yokulawula kude isetyenziswe njengecandelo kwisiphaluka kwaye isetyenziswe ngokwenkcazo yayo yepini. Inzuzo yokusebenzisa imodyuli yokulawula kude kukuba inokudibaniswa ngaphandle komthungo kunye nesekethe yesicelo, umthamo omncinci, ixabiso eliphantsi kwaye usebenzise kakuhle yonke into. Nangona kunjalo, umsebenzisi kufuneka aqonde ngokwenene umgaqo wesekethe. Ngaphandle koko, kukulungele ukusebenzisa ulawulo olude.

Ngokuqhelekileyo, inxalenye yokufumanairemote yocango lwegarajinayo yohlulwe yaba ziindidi ezimbini, ezizezisuper heterodyne igaraji umnyango kudekunye nemowudi yokufumana ukuhlaziyaigaraji yocango olukude. I-super regenerative demodulation circuit ikwabizwa ngokuba yi-super regenerative discovery circuit. Ngapha koko, yisekethe yokufumana ukuhlaziya esebenza kwimeko ye-oscillation ephakathi. I-Superheterodyne demodulation circuit iyafana nerediyo ye-superheterodyne. Ixhotyiswe ngesekethe ye-oscillation yendawo ukuvelisa umqondiso we-oscillation. Emva kokuxuba kunye nesignali yefrikhwensi efunyenweyo, i-frequency ephakathi (ngokuqhelekileyo i-465kHZ) isignali ifunyenwe. Emva kokwandiswa kwamaxesha aphakathi kunye nokubhaqwa, isignali yedatha ithotywa. Ngenxa yokuba i-frequency carrier ilungisiwe, isekethe yayo ilula kunonomathotholo. Umamkeli we-superheterodyne uneenzuzo zokuzinza, uvakalelo oluphezulu kunye nobuchule obuhle bokuchasana nokuphazamiseka; I-Super regenerative receiver incinci kwaye ingabizi. Kulula ukusombulula.
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