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Last Updated on: Saturday, December 23, 2017 02:27 PM

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More Crystal Oscillator Circuits;  Micro Power Circuits

Ultra Low Power 32KHz Crystal Oscillator


I have used this circuit many times when I needed a low frequency reference, which did not draw much power.  With the components show, the current from a 3v battery is less than 1.2 microamps

 

Click on Drawing Below to view PDF version of Schematic

Circuit Ultra Low Power 32KHz Crystal Oscillator designed by Dave Johnson, P.E. (July 7, 2006)

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