7400 competition entry: CD4007-based voice changer

Reymond entered a CD4007-Based Voice Changer into the Open 7400 Logic Competition:

The project uses 2 – CD4007 configured as a Gilbert Cell Double Balanced Modulator and an additional 2 – CD4007 for use as a difference amplifier. This kind of effect is known as a Ring Modulator in the audio community…

Via the contact form.

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