I have removed the attenuator and tested it and the 10 and 30 db sections are bad. This is a Wavetek 0955-0329 unit and I can not see a way to take it apart to get at the insides. Has anyone done this?? If so how?? I have can not get the ends out that have the SMA connectors on them...Somebody got some ideas??
Steve
toggle quoted message
Show quoted text
--- In hp_agilent_equipment@..., "stever1k" wrote:
I ran some tests on the Attenuator since these are highly suspect all the time because people put too much power into them. Lo and behold it looks like it is blown. I put in a -10 dbm signal and then switched in different atten levels with the soft key and sure enough there were several att levels that were bad. It looks like I have to see if I can fix it, perhaps then it will pass the Cal tests.
Steve
--- In hp_agilent_equipment@..., "stever1k" wrote:
My newly acquired HP8590A S/N 2618A01105 seems to work ok but it fails Cal Freq and the Cal Ampltd calibration routines. When these run per the Operating Manual I get the following errors:
Cal: Span Sens Fail SRQ 110
Cal: Linear Det Fail SRQ 110
If I understand the Service Manual correctly it appears that the Calibration Data is possibly bad. How do I find good Calibration Data for my unit and how do I best enter it... This is such a fine piece of equipment I hate to give up on it. Any points in the right direction will be helpful.
Steve
