Abstract
FULL-WAVE magnetic amplifiers are not efficiently controlled with a-c signals applied directly to the control windings because the circuit configurations necessary do not give sufficiently high gain. Half-wave magnetic amplifiers which can accept a-c signals directly have relatively low gain. The most sensitive, stable magnetic amplifiers require a d-c control current, but in many servo applications the servo amplifier must accept a phase-reversible alternating voltage and deliver an output that will reverse phase as the phase of the input signal reverses.
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Schedule a callMore From: Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics
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