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Re: How to test a mixer on a hp 8559 plugin in a 853 main frame


 

--- In hp_agilent_equipment@..., "jeffwa2scl" wrote:

It very well may still be present, but it would be down quite a bit from where it should be, maybe 20 db or more down. I have an 8558 that was about 10 db down and suspected the mixer. Turned out it was the isolation capacitor in the input jack. Unless you transmitted into the mixer, they're tougher than you think and can take 10 dbm or so without problem. How's the sensitivity on the higher bands? These bypass the 1st IF and 2nd mixer.

--- In hp_agilent_equipment@..., "steven" wrote:

If the mixer is bad will there still be a 35mhz calibraed signal on the screen? please let me know asap. thank you
Nothing is showing at all high or low bands

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