ELECTRET MICROPHONE
This is an easy to construct microphone pre-amplifier project using a compact electret condenser microphone. The pre-amplifier is the important building block of many audio communication systems. The circuit has been built around Op-Amp LM358.
- Power supply : 5 to 12 VDC / 10 mA
- Output: Gain Approx. 100
- On-Board electret condenser microphone
- Header connector for connecting of power supply input and audio output
- Power-On LED indicator
Shema | OK |
PCB | OK |
Test | OK |
Files:
- PDF (Shema, PCB, Components placement)
- Tiny CAD (Shema)
- Sprint Layout (PCB, Components placement)
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