Semnalul de la microfon este aplicat unui etaj repetor pe emitor realizat cu T1, apoi este preluat şi amplificat de T2 , dupa care prin intermediul potenţiometrului R9 se dozeaza,…
Interfonul este destinat comunicarii operative intre servicii si persoane aflate in diferite incaperi, cladiri, obiective industriale si localitati. Numarul de posturi ce pot fi conectate este de 5, plus postul…
Articol publicat in revista Tehnium, Nr.2 din 1979 Autor articol: Mihai Petic Schema interfonului de mai jos are avantajul obţinerii unei sensibilităţi mai mari, avînd posibtlitatea de a recepţiona semnale…
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