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Done.? ?Thanks Ron

I f you find any manuals it is always best to look if this sight has it also if you have found a different version (later copy ) or ones with circuit diagrams as the circuit diagrams where deleted in

Interesting observation.? The rear plastic piece (with the 2 screws) on the case cracked.? I went to glue it and found it to be completely brittle and crumbling with even the slightest pressure from

"Paul Bicknell" <admin@...> writes: I had that already, but still a good idea to back it up in the files section. Thanks!

I have uploaded the service manual to this sight for you sorry no CLIP

Hi Peter, I am glad you fixed it! Best regards, Razvan

Update: Relays arrived.? I replaced the failed relay and also put in a new display. The instrument is back to proper operation with a nice bright display. Thanks for the likely cause! Peter

Hi, i got a HP83752A sweeper and want to retrofit the Mechanical Attenuator Option (1E1). I have a matching Attenuator, but i'm wondering how to enable it. There's a Keysight Document telling how to

approx 800 pages

Santiago, I'm in roaming and have some problems with emails. Please send again Milan Vasic

I have a bunch of these (I think..) slide switches in my stash from a dismantled pulse generator. If you can send me a picture of the dead one, I can check what I have in stock. Wilko

Thanks Adam. So a slider again. It should be possible to find them from more dead HP devices. But difficult now to find cheap ones even "dead". Renaud

You may have fixed your problem in the short term, but I wonder about the long term effect on the N-Butyl rubber rings. They tend to last 10-15 years or more in normal lab environments. Did you

The switch i removed the contacts from was the 8640B slide switch used on the AM/FM modulation slider.? There are some other instruments that use this same contact as well, but do not have the

Found these in the process of Spring cleaning. I have all the handouts.? If someone is interested in scanning and posting that would be great. If they already exist on the net, please let me know

Hello, You can use the LIF Utils. Latest release 2.0 was in Dec 2024 and it was tested on Win10 and Win11. https://github.com/bug400/lifutils/releases/tag/v2.0.0 Please read the changes for the 2.0

Thanks for the notes on this.? I have had a number of issues with the switched attenuators, particularly in HP8753D, E, and ES units.? In my experience they're bad on about 20-30% of the units which

Adam, I believe that contacts from the slide switches of HP8012B and 8013B would do too but that should be verified. What are the reference of those you found please? Renaud

<ulf_r_k@...> wrote: I'd recommend a greaseweazle board. It's an USB tool that can directly control a PC floppy disk drive and get a flux-level image of (almost) any disk. HTH Frank

I'd love to have images of those disks. No clue of how to do it with Windows. I use a GreaseWeazle and/or a PC running DOS (DOS, not "a DOS window", to allow direct disk controller register