Practical Audio Amplifier Circuit Projectspdf ((full)) Jun 2026

LM386N-3 IC, 10k potentiometer (volume control), two 10µF electrolytic capacitors, one 100µF electrolytic capacitor, one 1000µF electrolytic capacitor, three 0.1µF ceramic capacitors, 10kΩ, 10Ω and 220Ω resistors, an 8-ohm speaker, and a 9V battery with clip and switch.

: Used primarily to increase the voltage level of a weak signal. practical audio amplifier circuit projectspdf

[Audio Input] ---> [Low-Pass Filter] ---> [TPA3116D2 IC] ---> [LC Output Filter] ---> [Speaker] ^ (Requires Shielded Inductors) Use code with caution. LM386N-3 IC, 10k potentiometer (volume control), two 10µF