28V servo power amplifier circuit

Published:2011/6/20 6:26:00 Author:TaoXi | Keyword: 28V, servo, power amplifier | From:SeekIC

The 28V servo power amplifier circuit is as shown in the figure. This circuit uses the power Darlington tube to form the common-emitter configuration, and this circuit produces the high voltage and the current gain to drive the control phase position 60Hz servo mechanism. At the same time, in the case of without the transformer, this circuit supplies the high load impedance for the pre-amplifier circuit.



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