Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Dear forum members;
We are building a number of stereo amplifiers based on the LM386 chip. The amps are using electret microphones with a bias resistor (+5v), and are based on the standard 200x amplification circuit from the National 386 datasheet. We are driving (pretty mediocre) 8-ohm...
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