I would like to build an external RF Limiter for a 8555A, and wonder if anyone in the group has been down this road before. The maximum output from the limiter...
I had no answers, so I try again... it's very important. I'm looking for the schematic of HP 8592B analogic interface board A7, p/n 08592-60077. I have...
Looking for a manual-original or copy- for the above. The only vendor I can find that has one (Manuals plus) has a DY-2650A manual. Anyone know what the DY...
I'm having difficulty determining the difference between these two models; the 'M version evidently for the military specifically, while the 'B is the...
Well, I spent the better part of a weekend working on the attenuatot of my second 8656A, and things are looking up. Of the seven solenoids, one was completely...
Hi Group, Can anyone tell if the beam finder is supposed to work without any plugins? I do not have plugins yet and I just got a 140T that appears to be in...
Hello, I just joined. I am an engineer for a medical company. My hobby is fixing older cars and these now include computer-controlled engines. I've been...
In case youre wundering, a 5MW,50 Ohm limiter limits at 2.5KV - far too much for any Spectrum analyzer, or analyser for that matter. But [no pun inpended], I...
Hello all, I have a HP8590A Spectrum Analyzer with the following issue: I bought the analyzer which had the programmable attenuator shot. After successfully...
I now have a spreadsheet available listing all the equipment that is available. Equipment comes from a micrwave power lab by a person who did a lot of work in...
Hi all I may have missed something but there seem to be plenty 432A manuals around (I have one) but I cant find a manual for the B which is the digital ...
I have just acquired a late-S/N HP 8559A S.A. plug-in. It is mint, except that it is missing the insert marked "FINE" from the Fine Reference Level knob (in...
Greetings. Stay with me. In the bottom section near the front are two gear driven pots. One has 5 terminals and is identified as A3R2, freq. tune. The other...
Hallo to all, As said off topic, yet in utter need off: Any information on Pacific instruments 3A14 electrometer amp new /old stock from the eighties, I tried...
What oscillator was used to implement this option? Was it always the same one? What oscillator was used in standard instruments? DaveB, NZ -- No virus found in...
Hello all Can anyone tell me what the specs. are of P/N 08590-60158 BW filter board are.Just the board only,I have spent a lot of time trying to align it in...
Thanks Marco- this is what I thought-basically a single oven, but references to it being a double oven seem to be common, hence my confusion. I think most of...
greetings, I have a handfull of molded plastic inductors with color coded values. Does someone have a color code chart for inductors? They all have a large...
Looking for a source for a replacement CRT for one of my 141T mainframes, HP P/N 5083-2511. The vendors that had some earlier this fall are now out of stock....
No wonder I'm confused- so far one says the 10811 is single oven and one says its double - and Craig says there's a 97 page manual for it at leapsecond but I...
Good day to all. I've got a HP8559A spec-an that's been working quite well for the few years that I've had it. However, I frequently need to be able to sweep...
HP 859X Spectrum Analyzer owners(or those experienced with them), I figure it's probably too late to ask the seller a question but, it appears to me, from my...
Greetings, The input samplers of the 5343A are supposed to work to 26.5GHz. Broken ones after being repaired with some "metelics"; diodes I have do actually...
Hi, Might be in the ALT/CHOP circuits. Had a similar problem a few years back with a 465 and that was nothing more than a transistor partially hanging out of...
Hi Group! I recently made what I believed was a good deal on a C Channel Board to upgrade a 5328A counter, but the board number is not what I expected. I have...
So after another adventurous morning tracking down yet another bad solder joint on the 68000 processor board, I'd like to ask: What's up with these things?...
