AnsweredAssumed Answered

AD698 has a sound

Question asked by sunbuny7957706 on Apr 5, 2016
Latest reply on Aug 1, 2016 by iamPhil

Hi, i am a student of shnu.

I just follow the schematic of cn0301 to rebuild the PCB.

But i found if i plug in the AD698 . The AD698 will make a sound or squeal.

It seems like if the AD698 is pluged in,the output will have a ramp ripple.

what is the problem?

And how can i fix it.