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Installed the 2nd converter and the 8594E is now indicating normal sensitivity. Next up, is replacing the memory battery. Rik WA4BAN

Hi all, Unfortunately, my model for my HP8757 did not fit well on Tom's HP85101C. Tom and me have had some off list communications, and he has done good measurements on his HP85101C, and I have made a

This is great, thanks! -- Jack www.computerarium.org ( http://www.computerarium.org )

Somewhere in the release notes for A.04.05.xx (I don’t recall exactly version), there was a note that it opened all ACMs Get Outlook for iOS<https://aka.ms/o0ukef> ________________________________

Hi Donald, To calibrate the 8902 you will need an external power sensor with the calibration constants entered into the 8902, (otherwise a error will occur) and this is connected to the RF power

This topic started in the VXI group, but I think here are more people using a E5500 phase noise system I have the same problem, using te E1437A digitizer. Do You write about the asset panel that comes

Can anybody tell me the correct way to make a 8902a read 1.000mW, using the internal calibrator, and a short piece of RG-213/U - mine reads 0.898mW. Thankyou.............................Donald Collie

I kinda used the same method as? Tom on other equipment. But I put in saran wrap as a separator and used a Silicone hardening glue

My go-to method for obscure connectors is to use bare contacts that fit the pins and hot glue. This method only works if the socket you are making a connector for is "watertight" or only has very

If anyone needs to probe a 68000 or 010 in DIP, I've sketched out a simple replacement that also eliminates the need for the 01650-63203 terminators used with the official solution. Pod cables just

Hello! So I got myself an 7225 *B* Pen plotter and I'm now looking for the manuals for this unit. I' aware that the HP Computer Museum has the stuff for the preceeding A variant but the B model is

Aw maaaan. And I just realized. I couldn't find the piece from the same logic family, so I tried figuring out which one is the most appropriate replacement. So instead of the 74HC I got 74VHC. I bet

Well, ... I replaced all the logic chips and the dead diode and the thing works except for one new problem. Pretty often, but not always the 20dB C stage trips the 20dB B stage too. Interestingly in

Many thanks for all your answers! I will keep investigating and I will pay attention to the sequencer ROM. Regards, Lionel

I hope to have my cataract surgery soon, then I will be able to dig out at least four old HP counters with Nixies. I may keep one of the 5245L, because of the additional features, but I now have

I abandoned the obscure HP probe connectors entirely, and built a simple linear supply with multiple voltages and a couple of DIN connectors. It powers several different probes and low-power

I agree with these comments, but watch the dc blast concept 8591e will take some DC but not the 8590e series. Mike Sent: 23 March 2023 23:01 To: [email protected] Subject: Re:

Chuck, Good to know someone has my 6 Regards Mike

Looks like an attenuator problem now—you can test it with a power supply -YouTube again Mike Sent: 23 March 2023 21:08 To: [email protected] Subject: Re:

Gr Kees, The link is needed to pass the CAL for various reasons, the 600mhz and 10Mhz are tested as well as the attenuator output and the YTO output. I also use my trusted Marconi 2019a -usually