Circuit: CMOS SCHMITT TRIGGER IC MAKES VCO __ Circuit designed by David A. Johnson, P.E.

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Last Updated on: Saturday, December 23, 2017 03:21 PM

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CMOS SCHMITT TRIGGER IC MAKES VCO

By changing the supply voltage fed to a classic 4584 Schmitt trigger type oscillator, the oscillator frequency can be changed over a range of 50:1. A 74HCU04 inverter is used at the output of the 4584 to maintain a constant TTL logic level signal.

Click on Drawing Below to view PDF version of Schematic

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