piglett Posted March 17, 2014 Share Posted March 17, 2014 Salutare!Am nevoie de o solutie la urmatoarea problema: Am de legat un amplificator audio cu amplificare de circa 5000x de la acumulatorul auto. Insa, poate stiti, instalatia electrica auto e plina de paraziti. Mai toti senzorii, injectoarele bobina de inductie, au plus permanent.Inafara de un convertor dc-dc cu factor 1, mai e vreo solutie? Circuitul cere circa 500mAh maxim.Multumesc! Link to comment
Marian Posted March 17, 2014 Share Posted March 17, 2014 Da ce amplificator e ala cu un castig asa mare? in mod normal mai mult de 30-40x n-ai nevoie...PS: Pentru deparazitarea tensiunii se poate folosi direct filtru, fara convertor care daca este in comutatie ar contribui la zgomot, un filtru CLC ar trebui sa fie destul de eficient in curatarea tensiunii. Link to comment
piglett Posted March 17, 2014 Author Share Posted March 17, 2014 Amplificator de pe un senzor piezo pe care-l "urc" la 7-8V. Link to comment
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