I have two A's and one B, and two Beaglebone replacements. I'm interested. If we even had a block diagram, we'd be ahead! Don
Richard (Rick) Karlquist > On 1/22/2016 2:14 PM, Mathew Breton wrote: >> I was gifted an HP 5370B with the usual problem: front-end problems, >> probably due to overstress. It is currently up and running again with a set >> of 5345A series A3/A4 boards as I wasn't able to get a cheap pair of >> 5088-706x hybrid ICs. >> This sounds like a common problem. As a result, I'm designing an open-source >> drop-in (hopefully) replacement. My hat is off to the original IC designer, >> as it is not a trivial effort due to the wide input signal common-mode >> range, and very tight trigger timing requirements. Other items (like the >> E-ECL) output) are also adding a bit of extra effort. >> I'm hoping that someone(s) might be interested in working with me on it. I >> would like to have my assumptions and math checked before I start the >> detailed design phase, and perhaps contribute some better ideas. >> In addition, it would be really helpful if someone could run a few rise-time >> dispersion tests on an instrument with a working "B"-series A3/A4 PCB set >> (my unit obviously doesn't qualify). >> Regards, >> Mat Breton > > I would like to mention that the "father" of the 5370, > David Chu, retired from Agilent a few years ago. He > might be receptive to giving you some advice about > your project. He is still very sharp technically. > If there is sufficient interest, I might be able > to arrange for an introduction. It would be helpful > if we had a show of hands on time nuts as to how many > people on time nuts are interested in this board. > David was one of the best engineers in the history > of the Santa Clara division and the fact that the > 5370 lives on is a testimony to how far ahead of > its time the design was, some 40 years ago. > > Rick Karlquist N6RK > HP Santa Clara Division 1979-1998 > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > -- Felix qui potuit rerum cognoscere causas. Lucky is he who has been able to understand the causes of things. Virgil ------------------------------- "Noli sinere nothos te opprimere" Dr. Don Latham, AJ7LL Six Mile Systems LLC, 17850 Six Mile Road Huson, MT, 59846 mailing address: POBox 404 Frenchtown MT 59834-0404 VOX 406-626-4304 CEL 406-241-5093 Skype: buffler2 www.lightningforensics.com www.sixmilesystems.com _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
