Circuit: Ultra Low Power 32KHz Crystal Oscillator__ Circuits designed by David A. Johnson, P.E.

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Circuits designed by David Johnson, P.E.
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