AB Transistor Audio Power Amplifier


Posted on Feb 4, 2014

This is a class AB transistor power amplifier. It is a simple amplifier to build, uses standard parts and is stable and reliable. The entire circuit utilizes commonly available components and may be simply built over a general-purpose board. But this amplifier has very good sound quality. There are eleven transistors, including four in the output s


AB Transistor Audio Power Amplifier
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tage. Q1 and Q2 transistor must be between 3 and 5amperes power transistors. Q4 and Q5 must be between 100mA and 500mA driver transistors. Other transistors are 10mA small driver transistors. Q1, Q4 and Q2, Q5 are complementary pairs, they make complementary darlington pairs.




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