300_W_LINEAR_SOLID_STATE

Published:2009/7/8 5:08:00 Author:May | From:SeekIC

Class A circuit using two MRF428A transistors is emitter-bal-lasted to ensure even current-sharing. Requires separate 0.5-1V regulated bias voltage source, circuit for which is given in article along with design procedure for amplifier. Second part of article (May 1976, p 28-30) tells how to combine four 300-W amplifiers to get 1-kW output for 1.8-30 MHz.-H. O. Granberg, One KW—Solid-State Style, QST, April 1976, p 11-14.



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