Home Tube DIY Asylum

Do It Yourself (DIY) paradise for tube and SET project builders.

[ Follow Ups ] [ Post Followup ] Thread: [ Display  All  Email ] [ Tube DIY Asylum ]
[ Alert Moderator ]

A different comparison...

Tre', the ripple current in C1 is shielded by the circumferential construction of the capacitor. It doesn't radiate. More important in terms of EMI is the voltage at the positive output of the bridge . The first image below represents this point as it appears with the same cap-input filter you modeled. Ripple is approximately 4.7V pk-pk. The second image shows this same point with the choke-input filter. Ripple at the peak of the time constant is nearly 1.5KV pk-pk and is composed of huge spikes (HF ringing) of that same amplitude that become visible when I zoom in.

If you're looking for a supply that won't contaminate an audio system, I think the conclusion here is obvious.













This post is made possible by the generous support of people like you and our sponsors:
  Parts Connexion  

Follow Ups Full Thread
Follow Ups
FAQ

Post a Message!

 Forgot Password?
Moniker (Username):
Password (Optional):
  Remember my Moniker & Password  (What's this?)    Eat Me
E-Mail (Optional):
Subject:
Message:   (Posts are subject to Content Rules)
Optional Link URL:
Optional Link Title:
Optional Image URL:
Upload Image:
E-mail Replies:  Automagically notify you when someone responds.

[ Top Top of Page ] [ Contact Us ] [ Support/Wish List ] [ Copyright © 2025, Audio Asylum, all rights reserved ]
[ General ] [ Speakers ] [ Tubes ] [ Vinyl ] [ Digital ] [ Hi-Rez ] [ Video Asylum ] [ Cables ] [ Tweaks/DIY ] [ Music ] [ Films ]