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HP 8592b

 

Hi all, I am reading many posts as an amateur for many years and trying to understand. I am a Medical Doctor and just a hobbiest.
I bought an HP 8592b SA 1 year ago and It was working and all calibration procedures was successful.
I powered it up 1 week ago and got error 0030 and the battery was almost 0v and changed it today. But first the monitor not worked properly digged web and?
after -2001 hz procedure the display occured with? same method the cal amp and freq passed. But the YIG cal is unsuccesfull because of lost comb signal.
As I said I am just an amateur?cannot find any solution. Thanks for kindly reading this message.
Bob Albert
 

Erkan, your post is hard to understand.? I have, I think, an 8594L that mostly works okay.? Is that similar?

Bob

On Sunday, December 6, 2020, 06:19:38 PM PST, Erkan Erbay via groups.io <erkanerbay@...> wrote:


Hi all, I am reading many posts as an amateur for many years and trying to understand. I am a Medical Doctor and just a hobbiest.
I bought an HP 8592b SA 1 year ago and It was working and all calibration procedures was successful.
I powered it up 1 week ago and got error 0030 and the battery was almost 0v and changed it today. But first the monitor not worked properly digged web and?
after -2001 hz procedure the display occured with? same method the cal amp and freq passed. But the YIG cal is unsuccesfull because of lost comb signal.
As I said I am just an amateur?cannot find any solution. Thanks for kindly reading this message.

 

just to make sure, did you connect the comb output to the rf input for the calibration?

what happens if you connect t he comb output to input and try to just look at it??
 

8594L is a totally different instrument
 

Thank you for your answer Bob.
Let me rewrite my problem since the beginning:
- There was not any problem about a year ago.
- I got error 0030 1 week ago
- Replaced the battery
- Screen was flickering after battery replacement, and I fixed that with calibration
- I calibrated FREQ and AMPTD without any problem
- I cannot calibrate YIG since I got "LOST COMB SIGNAL"
 

Hi amirb,

Yes I connect the COMB output to RF input.

I can see the COMB signal when I set frequency and span to 100mhz.

I can also see the COMB signal on the oscilloscope.
 

Any idea?
 

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About what exactly?
Do you have a question?


On 13 Dec 2020, at 17:14, Erkan Erbay via <erkanerbay@...> wrote:

Any idea?

 

I cannot calibrate YIG, I got "LOST COMB SIGNAL" error. My question is how can I complete calibration of YIG.
 

Sorry not YIG, I meant YTF.
 

Erkan,

I don't have a service manual for your analyzer, but here is some information for the later models. Maybe that will help.

Vladan

YTF Cal.pdf
YTF Cal.pdf

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