Push-pull output is most popular output stage for op-amps and audio power amplifiers.
New tutorial:
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and simulation
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push-pull output simulation is ready
Sep 16, 2013
1 Replies
"Patrick Chung" <
** Too many errors and misleading claims to even know where to start.Push pull output stages can operate in class A, B or AB - the latter being by far the most common.
Each output device amplifies an input signal of one polarity ONLY if the load is resistive.
The efficiency of an ideal class B output stage varies from zero to 78.5% at full power.
The efficiency of an ideal class A output stage varies from zero to 50% at full power.
So both are horribly inefficient at low power.
... Phil
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