Sigma|Six
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power supply noise
Hi,
My DC power supply system suffers from a periodical noise 1V p-p at the ouput.
The bad thing is it couples into the other subsystems~! OMG
The input of the system is derived from 5V & 12V of the ATX chassis, and I have determined that the 1V p-p is actually comes from this unit, probably caused by a switch mode power supply.
Can someone tell me how to eliminate the noise without affecting the performance of the DC power supply? is adding a big capacitors at the inlet of my PSU system a good idea or a Low Pass Filter is a must?
Please share your thoughts
Sigma|Six
Hi,
My DC power supply system suffers from a periodical noise 1V p-p at the ouput.
The bad thing is it couples into the other subsystems~! OMG
The input of the system is derived from 5V & 12V of the ATX chassis, and I have determined that the 1V p-p is actually comes from this unit, probably caused by a switch mode power supply.
Can someone tell me how to eliminate the noise without affecting the performance of the DC power supply? is adding a big capacitors at the inlet of my PSU system a good idea or a Low Pass Filter is a must?
Please share your thoughts
Sigma|Six