Re: Noise issue with DIY variable PSU and audio amplifier
A Scope is the quickest way to find out what is happening, on the supply rails to start with.
If you have one (hopefully).
Adding some 1nF or even 10 nF caps across the rectifier diode's may well help too.
I can't figure out the wiring and grounding/earthing at all from the piccies.
__________________
"Behind every crowd, there's a silver Moonshine"
Last edited by Cruisin Marine; 4th Dec 2022 at 8:46 pm.
|