2)Mini Amplifier Circuit

Introduction:

This Circuit Is Made With LM 386 IC And Some Capacitors.The IC LM386 Is Low Power Audio Amplifier,And It Utilizes Low Power Supply Like Batteries In Electronic Circuits.

Construction:

This Project Is Made With LM386 IC.This Project Is Done According To The Circuit Below.The Circuit Is Using LM386 Amplifier IC,Maximum Gain Of The Circuit.I Will Use The 47µf Capacitor.If You Will Use 220 µf Capacitor,You Will Get Maximum Output Of The Speaker. This LM386 IC Amplifier Will Work On 6 Volt To 12 Volt DC Power Supply.

Part List:

1. LM 386 IC=1

2. 8 Pin IC Base=1

3. 10µF/63V Capasitor=4

4. 1KpF Disc Capasitor=1

5. 47KpF Disc Capasitor=1

6. 100µF/40V Capasitor=1

7. 10Ω 1/4W Resistor=1

8. 10K 1/4W Resistor=1

9. 47K Mono Control=1

10. 8Ω Speaker=1

11.PCB Board=1

12.Aux Pin=1

13. Aux Wire=1m(as per Your Optional)

Uses Of This Project:

This Circuit Project Is Used To Boost The Audio From Mobiles,Laptops And etc.,

Circuit Diagram:

This Project's YouTube Video Link:

Click This Link To Know More Details

By,

G.Guruvel Sarveshwar

EEE Dept.