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On Wed, 9 Apr 2025, Lynn C via groups.io wrote: You were lucky to catch that very rare moment it worked. I don't need those connectors much -- have a bunch of dead sensors that I can use to build

On Wed, 9 Apr 2025, David Feldman via groups.io wrote: They used to be OK until some time in the past when they got totally broken and never recovered ever since. They are not alone though -- e.g.

I just purchased 12 pcs without difficulty using a credit card for payment. Lynn C. KA7FPH koi8.net@groups.io> wrote:

Hi Sergey, I too have had system problems with Newark online ordering in the past - they are not my favorite, but sometimes low-cost items appear that I can use (and these prices appear in

On Wed, 9 Apr 2025, David Feldman via groups.io wrote: They were $4.12 when I added 10 to my cart. Then, when tried to checkout they suddenly became $9.15 and "We can't process Credit Crd payments at

??? I can't speak to having built the project, but... I just took the precaution of ordering a dozen of these connectors for my stash. Considering how widely they were used in HP gear, and how

This is about the Amphenol Tuchel female connector discussed in this thread's history (used by HP for panel and device mounting the 8480 series power sensors and 43x series power meters.) This

Thanks, I'm looking those pages over, and the diagrams 3-2, 3-3 confirm I guessed correctly for the jumpers to allow front panel meters to work. -- John Griessen

The following items have been added to the Files area of the HP-Agilent-Keysight-equipment@groups.io group. * /All HP, Agilent and Keysight instruments in folders by part numbers/000 to 999/437B

I have a working 4193A with probe. I went through (nearly) all adjustments, but gut stuck on the ALC Ref Voltage Adjustment (A13) and the IF BPF Gain/Phase Adjustment (A12). Both adjustments call for

Quick update.? I extracted the psu pcb and started testing cap ESRs working forward from the main ac input. The main caps after the bridge are a pair of 680uF/200V devices in series.? No balancing

Huh, thats interesting.? What TiN describes is pretty much exactly what is happening with my scope.? Before I try and track down a possible hardware problem I am going to try and swap in a new drive

I have a manual on fiche - March 1978 rev 1 06268-90001 (paper)? 5951-6173 (fiche) Have scanned (hopefully) relevant pages here - ?Files? -> A temporary directory for photographs and help relating

Hi zgoode, I probably won't help much but I can only point you to a very similar problem with a Tektronix scope. Please see this

Hey all, I'm playing with an HP 4957A protocol analyzer and looking for some of the software that came with the ISDN/T1 pods. I know CuriousMarc has some of the standard disks but curious if anyone

I'm working on restoring my 54831M, but have run into a weird error.? With the original Win95 (maybe 98, don't remember which one its on), I can't get it to boot past the Infinium splash screen.? I

I came across one and it still works, but... Not sure I have the strapping right on the back terminal strip.

Yves, Excellent! I’m going to need to find some connectors I have the caps and resistors needed. Andrew

Hi. It's worth checking the DC power rails for the GPIB logic section.? It's possibly isolated from all the "measurement" analogue/digital stuff. My old 3438A had "a lot" of 50Hz ripple on the GPIB

Regarding the meter that only returns values, could it be that the ‘talk only’ switch is set and therefore the instrument is not accepting commands. As was mentioned earlier, it could simply be a