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ELFORUM - Forumul electronistilor

Amplificator chinezesc


Guest DonGarcea

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vezi la ce tensiune merg condensatorii de filtraj de dupa puntea de redresare ,si alimentezi cu o tensiune ,orientativ vorbind ,cu 10% mai mica decat e scris p ei.bine inteles asta daca tranzistorii din etajul final si prefinal permit o astfel de tensiune.te uiti in datasheet si vezi cat duc tranzistorii.

 

acum din poza nu pot sa imi dau seama k nu e prea clara ,dar banuiesc ca ai nevoie de o tensiune simetrica si posibil un transformator de cel putin 300w.

da si tu mai multe detalii ca asa din poze nu ai cum sa iti dai seama.

ATENTIE Vcc(curent continu) = 1.41*Vca(curent alternativ) dar poate ca stiai deja :jytuiyu

 

 

 

 

P.S am rasp toti odata

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