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Abstract

This monograph is concerned with the application of transistors to the audio-frequency amplifiers employed in sound broadcasting for which a high standard of performance is required. The prinicples followed in the design of such amplifiers are discussed and five examples of various types are described, with performance details. The operating conditions of d.c. feedback pairs and 'super-alpha' pairs are analysed and some numercial evaluations are given. Finally some conclusions are drawn regarding the use of transistors in high performance amplifiers of this nature.

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