How To Make The Audio Amplifier

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We know that the amplifier is the device that can increase the power of the signal.LM386 is audio power integrated circuit ( 1.25W )  most commonly used in TV, Radio, and Tape player audio amplifier stages.
  • LM386 Circuit Diagram

LM386 Circuit Diagram


Item list for the amplifier.

1)10KΩ Volume Controller  - 1

2)10Ω Resisters  - 1

3)LM386 (IC)  - 1             ///(better to have extra ic)

4)8Ω,3W Speaker ( better 3 inch speaker)  - 1

5)10µF/16V Capacitor - 2

6)470µF/16V Capacitor - 1

7)0.047µF/50V or 100V Capacitor ( 0.047µF =47nF=47000pF/ 473)  - 1

8)Veroboard  - 1

9)9V Battery Holder Clip & 9V Battery  - 1

10)PCB Terminal Block - GMKDS 3/ 2 or similar type two pin terminal block   - 1

11)PCB Terminal Block - similar type three pin terminal block   - 1

12)Jumper Wire  - 2m

13)Short screen wire with stereo or mono audio Jack  - 1

14)Soldering Iron & Solder Wire (~1m)  - 1

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