Simple VCO with 1 transistor

Posted on Nov 9, 2012    6753

Unijunction transistors are very intresting. They love to be used in oscillators, and it doesn't takes too many part or very much coaxing to get their sawtooth outputs. This litle squealer will tell you how much voltage it'a connected to. The higher the voltage, the lower frequency output you'll hear.

Simple VCO with 1 transistor
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