VOICE_SCRAMBLER_DESCRAMBLER

Published:2009/7/9 1:55:00 Author:May | From:SeekIC

This circuit uses an NE602 as an inversion mixer. U2 is set to run at about 2.5 to 3.5 kHz. U3 drives a loudspeaker. Because speech inversion scrambling is its own inverse, the circuit will also descramble.



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