100pF by k published on 2023-03-22T03:12:56Z 100pF cap between inverting and non-inverting input of op-amp Comment by k remove hand so hum disappeared 2023-03-22T03:16:08Z Comment by k comparison 2023-03-22T03:15:35Z Comment by k remove cap 2023-03-22T03:15:24Z Comment by k insert cap 2023-03-22T03:15:09Z Comment by k remove cap 2023-03-22T03:14:45Z Comment by k insert cap 2023-03-22T03:14:30Z