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Hello Tony, I just saw after pressing the Send button that I replied to your thread instead of mine.

Hello all, Thanks everyone, very interesting the replies and I will put one of these R/3*2 models on the wish list. While researching these HP 9000 series I saw that some Logic Analyzers from that era

Thanks Hardy, I've ordered a couple of Agilent PSU's from that seller. Reasonably prices I think. Appreciate all your help and assistance in this thread as I'm sure others do too! Best Regards JohnB

A9 and A10 working just fine, definitely YTO related now.

This ebay seller( fuof6666 ) have the right MXA`s,with the options you like. Many have bought from them,it’s a big international test equipment reseller--I have no connection with them-just a

Hi Nick, First I would check after removing the old RIFA is the reservoir capacitor for the switching regulator. It is not uncommon problem that these go low in capacitance, and stops the psu from

I took a look at the power supplies of my HP ‘scopes from this era. They all use one of them as the reference for the others, as you have discovered. I think it was my 132A dual-beam oscilloscope

I'll try that tomorrow at work.? Thanks, Hardy!? ? ? ? JimSent from my T-Mobile 4G LTE Device

This auto cal can be switched off. Hardy Fra: [email protected] <[email protected]> P? vegne af Jim Ford Sendt: 23. april 2024 00:36 Til:

Hi Yes the digital IF in E4406A and MXA are variable preselected—the 12 bit version are the same ,but less dynamic range! Hardy Fra: [email protected]

Hope that the microprocessor board is not fault, nor the U1 sampler, which is made of unobtainium. I will check synths and loops today...

Jeremy, No problem. I'm just glad to hear from you. I was getting worried... Unfortunately, while trying to track down where the noise starts and probing around on the A9 board, I must've shorted the

Barry, Finally getting back to you on the Chop circuit. Using my 140B’s internal calibrator as a source for both channels of the 1402A, I don’t see any difference in beam width or intensity

Even though the 2N3704 and 2N3391 transistors are apparently ECB, the 1854-0071, at least the one that was at Q484, is CBE (l-r looking at it from the flat side). I checked it a bit further and it

One of the key tenets of "right to repair" is that those proprietary alignment / calibration tools must be made available at a reasonable cost... The catch is there's usually no stipulation about

Right to Repair can easily be gotten around by the manufacturers. I have a R&S transceiver which came from a surplus lot.? It had a problem with one module and I swapped in another module from a

Yeah, the PXAs we have at work take a long time to come up, and they always seem to be doing realignments right when you want to make a measurement! Another irritating thing is that if I don't power

The phase noise of the E4406A is quite good but there's a lot of high performance options for measuring phase noise these days...? it's hard to keep up with it all. For many years I've wanted an

HI Brian, I found this zip file in my stash. To generate the diskettes you'll need a PC that can run LIFUTIL.exe. I hope this is what you need! Regards, Stan

According to the HEWLETT PACKARD TRANSISTORS & DIODES. COMMERCIAL CROSS-REFERENCE , an 1854-0071 crosses to a 2N3704 or a 2N3391. Both of those are ECB (apologies to David if those were ones you'd