Switching vs Linear supply, noise on carrier

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rdwing
Posts: 95
Joined: Sat May 21, 2022 2:05 am

Switching vs Linear supply, noise on carrier

Postby rdwing » Wed Jun 21, 2023 11:55 pm

I realize this is totally down in the noise, but what causes this?

On a high quality switching supply, I've noticed a little bit of noise on my carrier.
Screenshot 2023-06-21 164951.png
switching_supply
Screenshot 2023-06-21 164951.png (345.16 KiB) Viewed 9104 times


When on a big astron linear, it looks squeaky clean.
Screenshot 2023-06-21 164908.png
linear supply
Screenshot 2023-06-21 164908.png (270.73 KiB) Viewed 9104 times
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