-------- In message <2656f010-8e12-4bad-b9ae-713cefee1...@febo.com>, John Ackermann N8UR writes: >I have several supposedly low noise bench power supplies that I want to check >out. They seem to work well but are quite old, so of course one wonders about >the caps, etc. > >Can someone suggest a practical test regime to verify power supply >DC noise performance? Preferably one that doesn't require building >up custom low noise amps?
Listen to them ? All the "hard" noise is in the audio-range, so a series capacitor a low-noise amp and a pair of headphones... -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
