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Or the other way round? Put the instrument on an isolation transformer. cheers Martin

Hi all, Great thread, lots of useful info including suspected power supply issues on the A3. I recently picked up an E5052A at auction. I've worked on similar era Agilent boxes but new to this

Working on a 85047A test set which needs to be retrofitted with mechanical switch 33311B, as it has dead solid state switch and will be used with 8573A analyzer (pre-dates the 85047A). Goal is to end

I was only changing the low band module, because I got one from an other older generator. In the 8360 families, this low band module is the weak part. That's a very complicated part, I was trying to

Hi Dave, I sent you a direct message, please check your inbox. Ozan

In '88 and for a few years later, for the 360 and greater (more powerful), HP sold CAE tools such as DCS (schematic layout), DVI (design verification using GenRad's HILO logic/fault simulator), and

Hi Folks, On the hunt for a source for the RAM chips to expand the memory in my 53310A The usual Googling around has yet to yield 4 pieces from a single source. Do any of you have 4 that you would

Hello Dr. Kirkby, This would work in the case you can send it via some company. Keysight is not working with private persons anymore and I didn't find other labs that work with private persons at

Hello Joel, I was thinking it is the version with 4 holes. I found the same design in 2 of my Meinberg GPS167 units. One had a battery holder with 2 pins and one had a battery with 3 pins. I looked

This is a link for service manual version A, This might be useful to you.

I have modelled a simple foot that I use for the ESG series generators. It is just tall enough for the instrument chin to hover over the desk surface. Leo Here goes nothing:

Hello everyone. Please help. I have a 3585B that wont power up. I need a copy of the service manual, can anyone help??

Thank you both for chiming in. The unit is a 7562A, I apologize for the typo. I pulled a couple from another board and measured one side of each package, presumption is the other is similar. I was

My standard approach for replacement of batteries that support NVRAM containing instrument calibration , etc. is to connect either another battery or external power supply **with floating outputs**

Just FYI, you can use the (much shorter) www.hpwiki.org hostname in that URL. -Dave

Many thanks for your feedback! What was the problem with yours? A broken data line? Why exactly 100MHz shift? Or is some YIG lookup table messed up so it locks to the wrong harmonic? How did you get

Hi Tom, I got same problem few years ago on my 83630B. The faulty module is the low band module on the RF deck at the far end opposite to the output RF connector.

Here is a link to EGS and some history. https://www.hewlettpackardhistory.com/item/a-new-dimension-to-design/

Hi folks, my 8510C system recently developped an unlock error, so I have checked the source HP83651A first. It turns out, that the source output below 2,4GHz is exactly (to the Hz) 100MHz too low,

Believe it was HP EGS...Engineering Graphics System , ran on series 200 and 300 and recall a package running on the HP 9816 desktop.