Guest Vectra_Turbo Posted February 13, 2015 Share Posted February 13, 2015 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. Link to comment
Spitfire Posted February 13, 2015 Share Posted February 13, 2015 (edited) 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. Edited February 13, 2015 by Spitfire Link to comment
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