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clipped sinewave oscillators

Question asked by Calvin Day on Oct 20, 2015
Latest reply on Oct 27, 2015 by jeremyzhou

I am using a K65 tower eval board where I have a clipped sine-wave oscillator that has about 1 volt peak to peak. I feed that into a 1000 capacitor and then an invertor whose output feeds back through a 1 meg resistor to the input.

 

The resulting output is a 3 volt peak to peak square-wave as would be expected. As soon as it is feed into the ext osc in pin, the square-wave is distorted (almost positively saturated).

 

Do I have something configured incorrectly?

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