I'm trying to use PWM within a circuit that handles an audio signal. It's creating a lot of high frequency noise. I'm using a 16F684. I've tried separating the analog and digital ground planes. Does anyone have any recommendation for things to try?
PWM and audio noise
I'm trying to use PWM within a circuit that handles an audio signal. It's creating a lot of high frequency noise. I'm using a 16F684. I've tried separating the analog and digital ground planes. Does anyone have any recommendation for things to try?
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