[Test-Equipment] Interfacing HP 8569B and 8444A OPT 59 tracking generator

[W0EOM at aol.com]

Carl  - my manual says the 500 mhz osc out from the 8569 should go to  3rd LO 
in, and 1st Lo to 1st Lo.
 
I have never tried one with my 8569B.
 
Will