2 3 Watt Low audio power amplifier

These amplifiers using IC KA2202 and KA2207, which has a power output of 2.3 Watt berimpedansi 4 ohms. Minimum supply voltage and maximum 5Volt 20Volt. See schematics and component list below.

Part List 

R1 = 100K

R2 = 56R

R3 = 56R

R4 = 1R

Use 1/4 Watt resistor

C1 = 100uF

C2 = 100uF

C4 = 100uF

C5 = 470uF

C6 = 100nF

C7 = 470pF
C8 = 2,2nF

C9 = 100uF

U1 = KA2202 , KA2207

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5V DC wITH 3 pin REGULATOR ELECTRONIC DIAGRAM

5V DC wITH 3-pin REGULATOR ELECTRONIC DIAGRAM

These components usually provide very low ripple output. There are three types of 7805 components that can provide different current and power. They called linear regulators and drop minimum about 4V across themselves. 

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