SIMPLE AMPLIFIER ON THE LM386 CHIP

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This amplifier can be used by hams as a power amplifier in radios, players, various toys with sound effects, as an amplifier for headphones, etc. The range of applicability is very large.

The scheme is very simple to repeat and does not contain scarce and expensive parts. The amplifier is based on the LM386 chip. On Chinese sites, you can buy ten, or even twenty, of these microcircuits for fifty dollars - aliexpress

Parts List

Chip LM386 - aliexpress.
Resistor.
Capacitor.
DIP socket for the chip (you can without it).
Terminal blocks
Bread board.

Amplifier features

The LM386 is a low-voltage amplifier with a low current consumption and a power range from 5 to 12 V. The gain is in the range of 20-200. The output power is 0.5 watts.

Scheme and assembly of the amplifier on the LM386 chip

The circuit is assembled on a breadboard with a large number of holes. The findings are soldered together by solder, or by a piece of mounting wire. Even with this installation, the amplifier has very small dimensions, which is a big plus of this design.