On Wed, 20 Jun 2018 09:52:08 -0700 (PDT), "
wrote:

Thoughts?

"Choosing an RF Signal Generator"
http://www.ab4oj.com/test/sig_gen.html

"HP-8640 Service: Hints & Kinks"
http://www.ve7ca.net/TstH86.htm

"The HP 8640B RF Signal Generator"
https://www.ebay.co.uk/gds/The-HP-8640B-RF-Signal-Generator-/10000000010610658/g.html

"Phase noise measurements microwave bricks compared to HP8640B,
HP8662A, and HP8656A"
http://www.ke5fx.com/brick/brick.htm

"HP 8640B Repair"
http://jvgavila.com/hp8640b.htm
http://jvgavila.com/wb1.htm

YouTube videos on HP8640B"
https://www.youtube.com/results?search_query=hp8640B

Gotta run (again)...

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558