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Analysis of a Single-Ended Push-Pull Audio Amplifier

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1 Author(s)
Yeh, Chai ; University of Kansas, Lawrence, Kansas

This paper deals with a theoretical circuit analysis of a single-ended push-pull audio amplifier. Linear tube characteristics and small signals are assumed. The problem of impedance matching is first discussed. The properties and the requirements of a satisfactory driver stage are analyzed, and an output stage using an impedance matching output transformer is discussed. The effects of the plate-to-ground capacitance of the driver stage on the frequency-gain characteristic and of the choice of the tube and circuit parameters are analyzed. The paper concludes with some experimental results indicative of the inherant properties of the amplifier.

Published in:

Proceedings of the IRE  (Volume:41 ,  Issue: 6 )