EEVblog #524 – Vignetting on a Cathode Ray Tube

Dave explains what causes CRT vignetting problems and how to fix it.
A follow up to the HP 35660A Dynmaic Signal Anayser video here:
https://www.youtube.com/watch?v=VNsJ8qSk6CI
Whiteboard explanation of how a Cathode Ray Tube works, and how it can cause interference to sensitive measurements and the shielding required in a precision instrument like the HP DSA.
Forum HERE

Podcast: Download