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Testing an Electronic Circuit - Mic Preamplifier - Vocoder in Electronics Technology Videos | Science Flicks

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Testing an Electronic Circuit - Mic Preamplifier - Vocoder

Prototype PCBs for $2 (Any Color): https://jlcpcb.com

It works - well, eventually. I had a senior moment while laying out the PCB, but a little bit of IC leg bending fixes the problem.

ETI Vocoder constructional project reproduced with kind permission of Wimborne Publishing Ltd. http://www.epemag.com