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Same here. It's pretty likely you'll find your size if you get one of those kits. [email protected]> wrote:

Do not know the (exact) size but I bought an o-ring kit for watches. From Amazon I think. ________________________________ Sent: Friday, May 3, 2024 4:08 PM To:

Dave McGuire Do you still have these ?? Could? you test one in the 3852A? Maciej

Does anyone know what size and where I could get "O" rings for my HP 8714 VNA.Attenuator?? One is not there and attenuator is not working properly. wally KC9INK

Howdy folks, I am selling the subject line parts, and I understand this group is not primarily for selling stuff, but it *IS* for repairing equipment.? ?Since I am willing to part out the sweeper,

He was talking to me. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

Which Dave? Dave KC0WJN

Hi all, i appreciate this isnt a HPAK instrument but being Boonton it kinda is :) Has anyone got a full service manual for these please. Ive managed to find one online but it doesnt have a circuit

looks exactly like the HP 98257A . Thank you all.

Hi Don, Your statement that Motorola handled I/O well, but Intel didn't, puzzles me. Would you care to elaborate? -Chuck Harris <donbitters@...> wrote:

Two Daves? - got confused. Either way I am grateful.? Holes added to fit 3852A

To be clear, I did not design that board; I fixed a few issues, readied it for production, and made a few boards. The original design was done by David Kuder. -Dave -- Dave McGuire,

Way back when instrument control was the "Thing" in the instrumentation world. The HP controllers were focused on I/O control (Motorola based, PA RISC, etc.) (9825A, 9830A, 9845A, series 9000/200,

Dave I managed to find your SMD version. Only one issue is the hole locations -? other than that I think i will try your design on the 3852A. Will try up to 8 chips. I dont thin you can use more

Yes, it does look to be the same thing. I too have a 3852A by the way. It has never given me trouble, so I've never needed to open it up. -Dave -- Dave McGuire, AK4HZ New

That's not the project I worked on; the one I was involved in is just pure RAM, 7.5MB to fill the address space. No ROM. There was no discrete logic; everything was implemented in a GAL, and it

=== Hi Scott, Other end of R105 goes to a virtual ground inside the IC , seeing ~0V is expected. Current through R105 becomes the reference current for the DAC

Hi, I was also looking into these boards to add the 3rd channel and I found out that all boards on eBay that have more than 3GHz you need to set the SCALE to 4 otherwise it will not count

Tony: The 53131A had three options for the channel 3 input, 3GHz, 5GHz, and 12GHz. I have never seen anything on EBAY over 3GHz installed in a unit. I have seen Chinese Channel 3 boards for 3GHz (a

Dave The Hp 9000 DIO board has the same pin out where it matters and looks like the same board type.