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Explain class B push pull power amplifier and crossover distortion also derive expression for efficiency.
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fig(a) : class B push pull power amplifier.
The fig(a) shows class B output stage that consists of a complementary pair of bipolar transistor. When i/p vi = 0 both transistor are cut off and the o/p cut in voltage of 0.6 v, then the o/p voltage vo remain zero …