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Voice Scrambler/Descrambler

Voice Scrambler/Descrambler

 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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  1. Saurav Kumar20 March 2022 at 23:33

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