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/I have seen mismarked diodes as well as equipment that was never tested (or powered up). It's rare but it happens./ /Regards/

Hi just a line hear hopefully without stealing the thread when repairing a HP 180 scope plug in one diode was reverse polarity to its marking compared to others in the same plug in Reversing the diode

The 8748A is, I believe, the S parameter test set that will work the the 8754a. You _should_ be able to get these cheap since they won't do diddly with more modern VNAs. But try convincing an ebay

Those are completely different generation VNAs. The 8754A is strickly a manual VNA in that if you want calibration of cables and fixtures you will need to have the storage normalizer box or you can

Yes, definitely. Very nice score. -Dave

For $100 (free shipping) not bad at all! ________________________________ Sent: Saturday, February 19, 2022 1:02 PM To: [email protected]

Fantastic!! -Dave

It was the power config switches! (inside the unit) Was set for 240V. Changed to 120V and AOK!!! That was easy. ? Mark ________________________________ Sent: Saturday, February 19, 2022 12:35 PM

I have a 5316A with option 1 and 3 that was working the last time I used it if you are interested.? I am located on the east coast of Canada. Paul.

Yes, I also did not understand his initial request either. However, I did not appreciate your reply at the time as well. 73 - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell NJ 07731 848-245-9115

I've not worked on one, but the schematics are available. Being a heavy unit that has just been shipped, the first thing that I'd check is for something having dislodged inside; a cable, PCB, etc. The

Could be. ;) The OP sent a terse and rude message with a picture, saying "I need this". Nothing else. I mean, I'm sorry, but I'm not going to interrupt my day to help when the request is made in such

Sorry, sometimes I miss subtle sarcasm, or even jokes. Must be my Hungarian upbringing, HI. 73 - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell NJ 07731 848-245-9115

Seems to be a full service manual. http://ridl.cfd.rit.edu/products/manuals/Agilent/power%20supplies/CD1/Service/6033Aser.pdf Good luck looks like a nice but darn smart power supply. Smart = trouble

Exactly. :) -Dave

Hello Does anyone know where I can find the power supply schematic of Agilent 83751A or B (Synthesized Sweeper, 2 - 20 GHz) ?? I downloaded the service guide, it only contains block diagram (very

I'm sorry to have to tell you that you are probably stuck on this part. It is the "MRC" (Multi-Register Counter) chip, which is custom. Several people have looked for these over the years to resurrect

Hi Group, My HP 6033A arrived yesterday (from epay... "guaranteed to work"... HA!) and looks AOK but when powered up, ALL LEDs light up (normal) and stay that way! (not normal) Have not opened her up

What is the part? Is it an op amp etc.... The Manufactures code is the HP CAGE number, so no help Maybe there is a substitute. Wally KC9INK

Hi all, I'm interested to buy a E4401-60123 A7A13 Noise Source Driver board for my E4407B. If you have a board for sale or know where to find one, please let me know. I've googled around without any