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Fast switch-off for power amplifier

Fast switch-off for power amplifier
The 'Medium power a. f. amplifier uses a relay for the switch-on delay to suppress annoying switching plops. When the amplifier ts switched off, however, the relay, owing to hysteresis, rematns actuated for a short time, which results in switch-off clicks. Although these are harmless. they are annoying. The present circuit makes them things ofthe past.
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