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Re: Another 3GHz 53132-68003 Chanel 3 option design for the 53131A and 53132A
Razvan: The 3GHz board is a divide by 128, with a max output of 23.4375MHz at 3GHz. That has to get to the main board through the ribbon cable, not the best way to connect. At 12GHz the output would
By Ed (scskits) · #144019 ·
Re: Another 3GHz 53132-68003 Chanel 3 option design for the 53131A and 53132A
Yves: Thanks for the update. Do the boards count randomly when there is no input? Were these the OEM options or clones? ed
By Ed (scskits) · #144018 ·
Re: Attenuator "O" Rings
In metric-land I got a bunch of 1mm ID 2mm OD watch stem seals, eBay or Amazon I seem to recall. That was about 10 years back on an 8566A - still working fine - done several other attenuators
By Adrian Nicol · #144017 ·
8593A display problem
hello friends, I got a 8593A with a unknown problem, to me it looks to be a failes display board. Any tips to short the search ? thank you. see the short video I have made from that
By Martin M · #144016 ·
Re: Another 3GHz 53132-68003 Chanel 3 option design for the 53131A and 53132A
Hi, I bought options 030 and 124 (3GHz and 12.4GHz) on eBay a few years ago. I tested them again today and here is the result on their respective sensitivity. Option 124 doesn't pass specs
By Yves Tardif · #144015 ·
Re: FS: PART OUT: HP 8620 Sweeper, 86222A 0.01-2.4 GHz Plug in (CROSS POST with "test equip...FS" group).
I literally gave away several 8620A’s at hamfests, hoping Roy didn’t trip over one of mine! I have one lone 8620C with 2-18GHz plug in and maybe anther plug in or two, and several scales. Every
By Steve - Home · #144014 ·
Re: Attenuator "O" Rings
I did a bulk buy a few years ago which made a few folks happy. They came from: Precision Associates Inc. ( http://www.precisionassoc.com ) Part number: 23-41 5747 70 Duro Black Buna N.023 ± .002 x ID
By Dan Rae · #144013 ·
Re: Attenuator "O" Rings
Is the attenuator the same form factor as the 8568/8566 attenuator - HP 33321A? If so the attenuator o-rings are spelled out in the 8566 attenuator notes on this site. They are n-butyl rubber and are
By Don Bitters · #144012 ·
Re: FS: PART OUT: HP 8620 Sweeper, 86222A 0.01-2.4 GHz Plug in (CROSS POST with "test equip...FS" group).
As far as I can tell (from the pics)... it's an 8620A... and getting a scale to match the plug in is not a "... minor issue." (at least it wasn't for me.) Am I missing something... or is there
By Roy Thistle · #144011 ·
Re: HP 3852a extended memory modules info
The ones that I had left are installed in HP-9000 systems at LSSM, but I could borrow one and try it. My 3852A is in a rack, though, how do you reach that board? Can I do it without taking it out
By Dave McGuire · #144010 ·
Re: HP 3852a extended memory modules info
I made the same change to my version. My intention was to build a bunch of these via pick-and-place; components on the bottom with all that open space up top was...not welcome. ;)
By Dave McGuire · #144009 ·
Re: HP 3852a extended memory modules info
Moved the fuse to the top
By Maciej Kawalkowski · #144008 ·
Re: Attenuator "O" Rings
Same here. It's pretty likely you'll find your size if you get one of those kits. [email protected]> wrote:
By Radu Bogdan Dicher · #144007 ·
Re: Attenuator "O" Rings
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:
By Mark Bielman · #144006 ·
Re: HP 3852a extended memory modules info
Dave McGuire Do you still have these ?? Could? you test one in the 3852A? Maciej
By Maciej Kawalkowski · #144005 ·
Attenuator "O" Rings
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
By Wallace Gasiewicz · #144004 ·
FS: PART OUT: HP 8620 Sweeper, 86222A 0.01-2.4 GHz Plug in (CROSS POST with "test equip...FS" group).
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,
By Daniel Koller · #144003 ·
Re: HP 3852a extended memory modules info
He was talking to me. -Dave -- Dave McGuire, AK4HZ New Kensington, PA
By Dave McGuire · #144002 ·
Re: HP 3852a extended memory modules info
Which Dave? Dave KC0WJN
By Dave Daniel · #144001 ·
BOONTON 8900B PEAK POWER CALIBRATOR
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
By Pete Harrison · #144000 ·