Electret Microphone Pre-Amplifier
Electronic Schematics > Audio > Electret Microphone Pre-Amplifier

This circuit will be useful if you have an electret microphone that produces a low audio (sound) level and you want to connect it to an amplifier or something like it. The circuit will boost the microphone output voltage to obtain an acceptable signal level. Just adjust the R5 potentiometer to obtain the desird gain. Note that the R5 value is dependent on your gain need.

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Title: Electret Microphone Pre-Amplifier
electronic circuit
Source: unknown
Published on: 2005-08-27
Reads: 3615
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Electronic circuits > Audio > Electret Microphone Pre-Amplifier