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nu stiu ce sa fac cu sursa


Guest dr.phantom

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Guest dr.phantom

am facu o sursa pt um amplificator cu 2n3055 cam la 40 v si se incinge transformatorul rau iar tensiunea sade cand merge amplificatorul de la 45v la 30v. ce se intampla si ce trebuie sa fac? va multumesc

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Guest dr.phantom

trafu are cam 3 amp iar punte este una de la o sursa de ps iar pt filtraj am 1 condensator de 4700uf si 2 de 1000, trafu este de la un magnetofon si are 45v la 3 amp

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Ca sa aiba 3A sirma trebuie sa fie cam de 1mm grosime, care magnetofon avea asa traf in afara de Rostov si variantele lui?Ti-am zis sa masori trafo cu rigla sa vad cit e de mic. Si tensiunile pe care le dai sa specifici daca sint in curent continuu sau alternativ ca apar greseli altfel.

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