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I've no idea of the history of mine, there are no markings to state the option, but I have seen H29 on a few with the same spec and some had an additional plate stating "Testmeter electronics No. 3A

I attached pictures. This is the connectors module. Regards , Patricio. Ing. Patricio A. Greco Taller Aeronáutico de Reparación 1B-349 Organización de Mantenimiento Aeronáutico de la Defensa

Yes , in the documentation figures also as STIM. Ing. Patricio A. Greco Taller Aeronáutico de Reparación 1B-349 Organización de Mantenimiento Aeronáutico de la Defensa OMAD-001 Laboratorio de

Thank you Patricio. That will be great if you can scan part of the troubleshooting manual. Additionally, If you can share block diagram of 83651B swept series synth would be great. I have two

Adding it to the files would be great David when you can. I contacted that eBay seller to ask if his offer was an original or reprint since no actual photo was shown. He did reply that it was no

The manuals don’t specify the levels buy it would be more than -10dBm for all frequencies it is working. The low band of sweeper don’t uses SRD. In my case over 6GHz the level drops very fast as

Still looking.... I sent emails to a bunch of cal labs that made mention of the 4263 on their webpages, but of those that got back to me, some tried to sell me stuff, the others were unable to help.

I’ll scan the task on my troubleshooting manual . I’ll send it to you in a couple of hours when I reach to my lab. Ing. Patricio A. Greco Taller Aeronáutico de Reparación 1B-349 Organización de

Best Regards

There is no link, it's not on the web as far as I know. I went for a walk to the storage unit yesterday, looked through various boxes and couldn't find the manual, once home I found it in the pile

I had the same problem with my 8510C. Normally the problem is the SAF module . It has a SRD and high power amplifier that drives it . One of these components uses to get fried . This is before the

Outstanding David, Where did you find it? Do you have a link? ?I have pulled my hair out searching for hours, try all manner of search terms. ?Grateful for the diagrams you posted. Leon…

Not in the 92.? They shifted gears to " signal analyzers " . Have the 80A and 81A and use them in phase noise test sets. Knobs, knock on plastic... still all good. Turn em slooowly! Love the adaptive

According to Keysight the 5086-7603 is a “bridge detector 2.4mm”, no mention of it being an amplifier and detector. I think your problem is before that detector if it only has -34 dbm coming into

After checking some HP Catalogues I think the last time the 3580A is shown is 1990. And I knew that it all started in 1973. So 1973 to 1990. 17 years for sale... Very nice spectrum analyzer...bought

That's great! Have fun :)

Hi All, Thank you for adding me to the group. I have HP 8510C which is given me “Caution: No IF found” and when it tries to measure higher frequency (say above 5 GHz) then the signal gets

Your files welcome received and successfully tested. Both EEPROMs (U4 & U26) were required to be written. Actual level accuracy was -1dB for all channels. Investigating your files I understood that I

Hello Robert, I desoldered my EEPROMs and made the backup. You can find the EEPROM dump attached to this email. As a note my 8757C has 3 channels only. I hope it helps to recover your machine. Let me

I figured at least part of it was humor but I wasn't sure about the option number. I actually thought might have been a real option on some piece of equipment that could cause the strangling hamster