Push-Pull Power Amplifier Circuit Diagram

The following amplifier circuit is quite popular. It is a basic complementary power amplifier, also known as push-pull power amplifier. It is called complementary since the final transistor is an NPN-PNP pair with same characteristics. An AB class amplifier is produced by this circuit. Each transistor works in slightly more than the cycle half signal. An overlap area is available when both transistor conduct a current, and this area will be around its stationary current when the input signal is zero. Here is the schematic (source : freecircuitdiagram.com) :

Push pull power amplifier circuit

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