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Preamplificator cu LM358, nu merge !


Guest Vectra_Turbo

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Guest Vectra_Turbo

Buna seara ! As dori putin ajutor cu o schema pentru un preamplificator cu LM358 , am incercat mai toate schemele dar acelasi lucru bazaie intr-una si se aude un sunet bizar, va rog ajutati-ma , nu mai stiu ce sa fac cu el, daca ati facut voi si stiti ajutati-ma si pe mine cu niste informatii ! Multumesc frumos.

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  • Spitfire

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In primul rand verificati sa nu cumva sa folositi un singur integrat, si ala defect...apoi, executia se face obligatoriu in cutiuta metalica, nu e musai necesar cablaj imprimat, dar ecranare buna este necesara. Alimentare corecta, bine filtrata, adaptarea corecta a impedantelor de intrare si iesire.

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