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Magnetic amplifier control of switching transistors

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1 Author(s)
Collins, H. William ; Westinghouse Electric Corporation, East Pittsburgh, Pa.

A series of circuits are presented which use a magnetic amplifier to control the average output power of switching transistors by pulse-width modulation. Thus the advantages of switched-transistor operation are incorporated in a linear amplifier. The magnetic elements serve both as a pulse-width modulator and as a high-gain preamplifier, thereby producing an amplifier with high-gain as well as high-output power. Design considerations, performance data, and potential applications of the circuitry are discussed.

Published in:

American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the  (Volume:75 ,  Issue: 5 )

Date of Publication:

Nov. 1956

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