Amplificador para Microfone Eletreto V1
Componentes: 1 microfone eletreto 1 capacitor cerâmico de 0.1uf (104) 1 plug p2 estereo 1 resistor de 820k, 22k, 10, 1k 1 transistor bc 547 bateria de 3.7v ou até 9.0v 1 led 1 botao liga/desliga fios
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Modifying the Microphone Preamp
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pré amplificador para microfone de eletreto
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Microphone preamplifier connected to a Class A power amplifier
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