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Topic: Square Wave Signal noise 20HZ - 200 HZ (Read 6184 times) previous topic - next topic


Yup... switching diodes didn't help... 10k resistor across the TTL level output does do better ... I'll play with the resistor value to get rid of the little spike I saw...

Thanks all!!


I am isolating my A and B channels with diodes. 

That is not the way to isolate things. It won't work (as you have found out)

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