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Voice Scrambler/Disguiser Circuit

2017-09-13 02:41  
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This circuit uses two balanced modulators to produce a DSB signal and then reinsert the carrier, except t
Voice Scrambler/Disguiser Circuit

he carrier now has a different frequency. This causes an input signal to be distorted. A voice signal will be recognizable with this circuit, but the original speakers` voice will not be identifiable with correct adjustments. Two LM324 op amps act as oscillators that are tuneable from 2 to 3.5 kHz. The frequencies are set with R12 and R13., T2, and T3 are 600 CT/600 audio transformersa€”available from Mouser Electronics, Inc.

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