I have 5370s and 5345 working and then those that aren't so interested. I did play with some ecl chips but they worked poorly. Can't do any clever math or dispersion... But good with a soldering iron. Regards Paul WB8TSL
On Sat, Jan 23, 2016 at 1:23 AM, Bruce Griffiths <[email protected] > wrote: > Mat > > I can help out with a few design ideas and check your calculations.I only > have a 5370A so I probably cant help with dispersion measurements. > > I'm tempted to replace the power hungry 5370A with something with a power > consumption of under 10W and noise (jitter) at least 5x smaller. > > Bruce > > On Saturday, 23 January 2016 3:12 PM, Mathew Breton <[email protected]> > 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 > _______________________________________________ > 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. > > > > _______________________________________________ > 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. > _______________________________________________ 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.
