Mini amplificador 3.3v para celular

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01:46:04

Sinal alternado simulando a entrada p2 injetando no circuito 20 mv e 10 mah que é amplificado pelos transistores e sobe para ums 400 mv e 50 mah  que é jogado na resistência de 8 ohm que é um auto falante. Circuito alimentado com 3.3 volts permitindo ser alimentado pelo próprio celular usando a entrada do carregador.

published 9 years ago

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