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Simple Op Amp Audio Amplifier

2015-01-08 10:23  
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A CA3140 drives a complementary output stage Ql, Q2, and Q3. Output power depends on supply voltage and limit
Simple Op Amp Audio Amplifier

s on dissipations of Q2 and Q3, but it can be 1 or 2 W with a higher impedance speaker and a 30-V supply.

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