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The link targets are HTML files that contain links to the actual PDFs. Follow them as intended, and you'll get the PDF handed to your browser. Save it from there. I've downloaded hundreds of

It's not just me then. Yes, you have to give an email first. I find that the Keysight files often download as a short HTML file, despite them saying they are pdf... After trying various things, the

Be careful, the problem with cows is you always know where they've been. Harvey

Hi Radu: If you are so inclined, and have a chance, please explain the 'debate' (I did read some posts by you and Reg, on EEVblog) What does the pro side claim? What does the con side claim" I suspect

I've got my popcorn... but, I'm waiting for the beef. IME, with this sort of thing... the cow has got a pretty good head start.

It works for me. For instance... if you have a Keysight Account (You often need a Keysight account...You have to give them your email, and stuff. Sometimes [rarely] it words without it.) Anyway... for

I have a faulty 8970, and I am told the ROMs on the controller board may be faulty. Does anyone have a spare board, or the ROM chips with programme in? Regards, Julian, UK

Thank you Istvan!!

Hello Michael, looks to me it is "M" medium acting fuse... for the 200W model (654xA and 664xA) 5A for the 500W model 12A... - You need 5A Medium acting fuse (without marking; there should be no

Reg, Very interesting. As I believe I was the ringleader of that debate, you may have also seen on EEVBlog I just crossed on the (dark side!) of automated data logging. I'm using "xyphro"s GPIBUSB

Thank you. DaveD

This will be *very* interesting. Grab your popcorn! As it happens, I bought the 3458A specifically because of an EEVblog argument of many years standing about whether one could predict the aging

Auto calibration

Hello All, I recently obtained two HP 6643A units, one working, and the other not working.? I started to troubleshoot the broken one, my first step was checking the Mains fuse, in the service manual

... and so this Iron Man isn't Tony Stark after all! I knew YouTube and the Internet could deceive... I'm so disillusioned.

Thanks, Stephen. ATM, it seems RobertG8RPI has one available and he's in Europe, as I am, so I may be set. Raymond

Congratuarions. I may be having an off day, but I can't figure out what "acal" means. DaveD

The other good source of info on this is the EEVBlog community (Forums - Metrology in particular). I believe there's a great deal of threads and posts on this unit in particular - being such a

Reg, There's quite a lot of work, excellently documented, on xDevs: https://xdevs.com/fix/hp3458a/. I'd probably start from there to familiarize with the instrument. I think there's also a good number

In a fit of TEA syndrome I bought a "parts/repair" unit on ebay which does not acal. I know very little about the instrument and am having trouble getting a copy of the relevant manuals as Keysight's