12_VDC_TO_115_VAC_AT_400_Hz

Published:2009/7/12 23:27:00 Author:May | From:SeekIC

Provides threephase output at 20 W by using RC coupling to oscillator in such a way that 120°phase difference exists at collectors of 2N651 transistors of oscillator. Emitter-follower amplifier driving push-pull power output transistors is shown only for phase 1; other two phases use similar amplifiers, Power transistors are operated in saturated switching mode.-R. J. Haver, The ABC's of DC to AC Inverters, Motorola, Phoenix, AZ, 1976, AN-222, p 15.



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