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Low cost more useful power amplifier using LM386

The LM386 is a power amplifier designed for use in low voltage consumer applications.
Features
Battery operation
Minimum external parts
Wide supply voltage range: 4V-12V or 5V-18V
Low quiescent current drain: 4mA
Voltage gains from 20 to 200

Ground referenced input
Self-centering output quiescent voltage
Low distortion: 0.2% (AV = 20, VS = 6V, RL =
8Ohm, PO = 125mW, f = 1kHz)
Available in 8 pin MSOP package

amplifier using LM 386 with additional controls........


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