Class Ab Power Amplifier Circuit Diagram. The transistors must be mounted on heatsink to prevent the overheating maintain the transistors work in maximum performance. The circuit operated with 90v dc symmetrical dual polarity power supply circuit.
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This amplifier is driven by a transistor arranged in common emitter configuration. Circuit diagram of 150w power amplifier circuit. Use 12v dc for powering the amplifier.
This amplifier is driven by a transistor arranged in common emitter configuration.
A transistor biased in class a mode produces an inverted version of the input signal. From 0v to 0 7v the diodes are biased in conduction state where the transistors have no signal at the base terminal. The circuit requires various switching components like mosfets which has low on resistance. 2000w class ab power amplifier.
