TheknolojiElectronics

Mochine oa hau oa pele oa mochineli

Ho tloaelana le lefatše le tsotehang la seea-le-moeeng ho ka qala ka ho etsa merero e bonolo e tla fana ka phihlelo e ntle ho mooki oa mochine oa mochine. Qalong, ho ka khoneha ho bokella detector receiver, ho etsoa ha eona e se e le moetlo o motle oa li-radio. Ho bonolo ho e etsa, mme e ka etsoa ka lihora tse 'maloa feela. Sena se hloka karolo e fokolang le e fumanehang ea likarolo 'me, ho hlakile, takatso ea ho sebetsa. Mochine oa pele oa mochine o nang le tsebo o fapane ka hore o ka fetoloa, ha ho hlokahale hore o hlahise le ho etsa boto ea potoloho e hlophisitsoeng, ho bonolo ho e fetola, kaha likarolo tsohle li lumellane tafoleng.

Lokisetsa likarolo tse hlokahalang bakeng sa ho etsa sesebelisoa. Mochine o amohelehang o na le diode ea ntlha ea semiconductor (D9, D2), e tla ba detector. Setsi sa li-capacitor tse fihlang ho picofarads tse likete tse 'maloa, molamu oa ferrite (bophahamo ba 7-8 mm) ea brand 400HH, 600HH le bolelele ba 140 mm. Ho boetse ho hlokahala hore ho lokisetsoe mohala oa PEV-1,2 (0.15-18 mm) le lithelefono leha e le life tse hanyetsang tse nang le ho hanyetsa li-coil tse ka bang 1500 Ω. Lisebelisoa tsena tsohle tsa seea-le-moea li ka rekoa lebenkeleng le khethehileng.

Joale a re emeng ho hlahisa koili bakeng sa molamu oa ferrite. Ho etsa sena, koahela likarolo tse seng kae tsa pampiri e hlephileng kahare ea ferrite ebe u li kopanya hammoho. E lokela ho fumana foreimi e thata, e tlosoa habonolo molamu. Hona joale re phahamisa litebelisoa tse makholo a mararo tsa terata e lokiselitsoeng pele 'me re kheloha ka mehla e mehlano. Phoso e ka sehloohong ea ba etellang pele mochine oa bona oa mochine ke hore lihlahisoa tse ling tse mashome a mahlano li lelekoe, li hloekisoe le ho sebelisoa. Tlohela ts'ebetso ena bakeng sa hamorao, ha u ntse u leketla ka ho lekaneng hore u kokotse ebe u tsoela pele ho sisinya terata. Koilisi e hlahisoang e lokela ho kenngoa ka pampiri ea sekhomaretsi 'me e lumelle hore e ome.

Hona joale re tla bokella lintlha tsohle ho latela morero o bonolo. Bofelo ba coil le diode anode li amana le ho amohela antenna. E 'ngoe ea likhama tse feteletseng li amana le mobu le e' ngoe ea lisebelisoa tsa hlooho. Mokhoa oa bobeli oa li-headphones o amana le cathode ea diode. Ntho e 'ngoe le e' Haeba lipotoloho tsohle tsa moemeli li bokane ka nepo, li qala ho sebetsa hang-hang. Phetoho ea sesebelisoa e etsoang ka ho fetola palo ea ho fetola k'hollera le ho khetha bokhoni ba mochine o sebetsang, o kopantsoeng le li-headphones. Ka thuso ena re finyella molumo o motle haholo.

Motho ea amohelang joalo o tšoara melaetsa ea seea-le-moeeng ea liteishene tse haufi tse sebetsang lihlopha tse mahareng le maqhubu a nako e telele. Sehlopha se latelang se ka hlahisa li-receivers tse le 'ngoe, tse peli, le tse ling tsa cascade, tse ka amohelang liteishene tse kholoanyane. 'Me nakong e tlang, u ka etsa mochine oa sesebelisoa, o iphumanang o fumane seteishene mme o ho hopola. Ho rarahane haholoanyane ho potoloha ha sesebelisoa, ho na le menyetla e mengata ho eona. Empa bakeng sa ho lokisetsa hantle ho amohelehang joalo ho hlokahala hore u be le lisebelisoa tsa hau tsa maiketsetso lisebelisoa tse ntle tsa teko, lisebelisoa tse phahameng tsa oscillator, oscilloscope, joalo-joalo.

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