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DIY Kit LM386 Super Mini Audio Amplifier - Circuitmix
https://shop.circuitmix.com/product/diy-kit-lm386-super-mini-audio-amplifier/#:~:text=Additional%20information%20%20%20Weight%20%20%200.02,%20%20SOP%20%201%20more%20rows%20
DIY LM386 Audio Amplifier : …
https://www.instructables.com/DIY-LM386-Audio-Amplifier-DatasheetCircuitPCBHardw/
Datasheet says: To make the LM386 a more versatile amplifier, two pins (1 and 8) are provided for gain control. With pins 1 and 8 open the 1.35-kΩ resistor sets the gain at 20 (26 dB). If a capacitor is put from pin 1 to 8, bypassing the 1.35-kΩ resistor, the gain will go up to 200 (46 dB).
LM386 Audio Amplifier - Electronics DIY
http://electronics-diy.com/lm386-audio-amplifier.php
The LM386 IC is unique in that the gain can be modified by changing Resistor R2 and Capacitor C2. This configuration will give us a gain of 20. By removing R2 and connecting C2 across pins 1 and 8, we can increase the gain to 200. It is important to understand that increasing the gain does not increase the output power.
Build a Great Sounding Audio Amplifier (with Bass Boost ...
https://www.circuitbasics.com/build-a-great-sounding-audio-amplifier-with-bass-boost-from-the-lm386/
In an amplifier circuit, the LM386 takes an audio input signal and increases its potential anywhere from 20 to 200 times. That amplification is …
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