EXCLUSIVE_OR_LOGIC_FOR_MUTING

Published:2009/7/2 20:28:00 Author:May | From:SeekIC

Connection shown for National LM389 combination ofthree transistors with opamp gives standard EXCLUSIVE-OR circuit for controlling muting transistor in audio system，Shorting pin 12 ofopamp to ground gives EXCLUSIVE-NORlogic.- Audio Handbook, National Semicondqctor,Santa Clara,CA,1977,p4-33-4-37



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