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Low power audio amplifier

Amplifier circuit below represents a very small amplifier circuit output. Maximum output is no more than 1W, comprehension is low but received a series of sensitive enough, and power amplifier circuit is very suitable for use in radio receiver, especially on FM radio.

Low power audio amplifier circuit
Technical information.
Minimum Voltage = 4 Volt DC
Maximum Voltage = 15 Volt DC
Power Output         = 0,325 W
RL                          = 8 Ohm
Ft                            = 40Hz - 18KHz
Icco                        = 6mA

Part List :
R1 = 100K
R2 = 2,7R
R3 = 1K
C1 = 100uF
C2 = 220uF
C3 = 47uF
C4 = 0,01uF

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