Dave explains what causes CRT vignetting problems and how to fix it.<br />A follow up to the HP 35660A Dynamic Signal Analyser video here:<br />http://www.youtube.com/watch?v=VNsJ8qSk6CI<br />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.<br />Forum: http://www.eevblog.com/forum/blog/eevblog-524-vignetting-on-a-cathode-ray-tube/<br /><br />EEVblog Main Web Site:<br />http://www.eevblog.com<br />EEVblog Amazon Store:<br />http://astore.amazon.com/eevblogstore-20<br />Donations:<br />http://www.eevblog.com/donations/<br />Projects:<br />http://www.eevblog.com/projects/<br />Electronics Info Wiki:<br />http://www.eevblog.com/wiki/
