Self-powered Sine to Square wave Converters

Posted on Feb 6, 2014

This circuit is intended to provide good square waves converting a sine wave picked-up from an existing generator. Its major feature consists in the fact that no power-source is needed: thus it can be simply connected between a sine wave generator and the device under test. The input sine wave feeds a voltage doubler formed by C1, C2, D1 & D2 that

Self-powered Sine to Square wave Converters
Click here to download the full size of the above Circuit.

powers the IC. IC1A amplifies the input sine wave, other inverters included in IC1 squaring the signal and delivering an output square wave of equal mark/space ratio and good rise and fall times through the entire 20Hz-20KHz range.

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