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Audio power amplifier stage with LM-386 circuit

2014-11-11 17:02  
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Audio power amplifier stage with LM-386 circuit
Figure shows the design based on LM-386. It is the LM-386 low-power audio level’s single-ended output configuration. This IC includes a pre-amplifier and power amplifier with the nominal output power of 250mW. LM-386 series audio power IC is simple, but high gain is needed. If it is with unreasonable configuration or if the ground is not properly configured, it may cause self-oscillation. figure: Audio power amplifier stage with LM-386 circuit