eburman At first I was disappointed. The waveforms were jittery and unstable. But It became clear that my switching 'wall wart" powers adapter was at fault. I tried another one and the problem persisted. Then I tried a 9V battery and performance was very good-->stable waveforms. Next I tried a linear power supply. Also very good. I notice that the square wave output tends to distort the sine wave output somewhat. The on and off transition points of the square wave make a glitch in the sine wave.

bkg2018 12/05/2017
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