AnsweredAssumed Answered

noise of SSM2019

Question asked by Kou on Feb 11, 2014
Latest reply on Oct 15, 2014 by DaveThib

Dear Sir/Madam,


We are using SSM2019 Self-Contained Audio Preamplifier.

We have observed the noise on our system. Pls refer to the attached file.

sheet1. Our test circuit diagram.
sheet2. Waveform which the noise occurred.
sheet3. Normal waveform.


It is irregularly-recurring noise and the repetition is not regular.
Quantity of the device that this phenomenon occurred :9pcs/460pcs

We would like to know the cause of this noise.


It would be greatly appreciated if advice could be gotten.


Sincerely yours,