开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
Re: Cleaning N-tyoe cal kit
If you manage to separate the metallic parts form dielectrics , it is possible on older connectors. I recommend a solution of boiling water and sodium bicarbonate to clean the parts the process can
By Patricio A. Greco · #151028 ·
FS 11672A 8660 extension cable kit
HP list, with all the interest in 8660's recently, I can offer this 11672A cable kit for sale. It is complete, but as expected the foam has deteriorated, everything will need to be cleaned. Hard to
By Gary Hitchner · #151027 ·
Re: display tilt adjustment hp8591a
I have an HP8714 VNA here, that we used to cart around the country servicing power amps.?? After one visit to a MRI place, the entire display was at 45' tilt! Eventually we degaussed the case
By Dave_G0WBX · #151026 ·
Re: Cleaning N-tyoe cal kit
If you use methanol, please be extremely careful. Wear gloves, don't inhale fumes, etc. Methanol poisoning is no joke. Read up on it prior to use. --Tom -- Prof. Thomas H. Lee Allen Ctr., Rm.
By Tom Lee · #151025 ·
Re: Cleaning N-tyoe cal kit
After lots of trials with several solvents over the years I've found the best solvent for decayed PU foam is 99% methanol.
By Robert G8RPI · #151024 ·
Re: E4402B SA power problem - need DC socket connections
On original question +ve to top see image of mating connector viewed from "flat" side. On PSU issue generally they are such a pig to get out and apart it is worth replacing all the small
By Robert G8RPI · #151023 ·
Re: E4402B SA power problem - need DC socket connections
Power-down is now fairly random - anywhere from 2 to 10 minutes.? I've replaced the CPU board SnapHat with a much better one (3.2V vs 0.5V!) and that seems to cure some of the oddness on startup
By Jeremy Owen · #151022 ·
Re: E4402B SA power problem - need DC socket connections
Hello Jeremy, The 12VDC cable kit has the part number E4401-60066. Sometimes they appear for sale on eBay. I don't know the polarity of the pins but you can check with a multimeter which pin is the
By Razvan Popescu · #151020 ·
Re: OPT 003 (48-440 Hz compatible) fan (full size "Muffin" type fan) - replacement requirements?
Fans here, turns out on closer inspection the 8673D uses 92mm in the upper section, not 120mm - oops - so regrouping on that front (the 8660 series appear to be 120mm fans.)
By David Feldman · #151019 ·
Re: Cleaning N-tyoe cal kit
Been using 99% isopropyl (IPA, not from the local brew pub). A 3.5mm Maury sliding load/termination had enough of that same foam residue that it would not slide across it's range. The supplies below
By David Feldman · #151018 ·
Re: Cleaning N-tyoe cal kit
Its horrible stuff isn't it. I've actually got some Electrolube Contact Cleaning Strips which I bought for cleaning relay contacts. And with a bit of patience and some IPA they seem to be doing the
By vee-dub565 · #151017 ·
E4402B SA power problem - need DC socket connections
I have an E4402B spectrum analyser with an odd power fault.? The SA powers down after about 10 minutes, but works fine up until then. (It has been working well in the past but has been unused for a
By Jeremy Owen · #151016 ·
Re: HP 3403C True RMS Voltmeter display fault
Are you testing them at their rated voltage?
By John Warren · #151015 ·
Re: Cleaning N-tyoe cal kit
Hello, I have the same issue with my calibration kits, the foam got very sticky and the majority of the connectors are affected. Some had a dust cap and only the exterior was affected and it cleaned
By Razvan Popescu · #151014 ·
Re: Cleaning N-tyoe cal kit
Possibly, although I'd be concerned about immersing it in the cleaning solution.
By vee-dub565 · #151013 ·
Re: Cleaning N-tyoe cal kit
Ultrasonic bath with a suitable cleaner? Enviado do meu Tele-Movel. Desculpe a brevidade. Em sáb., 22 de mar. de 2025 06:52, vee-dub565 via groups.io <Vee-dub565= [email protected]>
By Alexandre Souza · #151012 ·
Cleaning N-tyoe cal kit
Not strictly Agilent/HP, but I recently bought a 2nd hand N-Type cal kit for the 3 HP VNA's I have. I did originally want a new kit from Kirkby Microwave, but after 3 or 4 emails over the course of a
By vee-dub565 · #151011 ·
Re: display tilt adjustment hp8591a
Hi Wilko, You are right, CRT screens are sensitive to the environment; steel, magnetic field of other devices if they are nearby, gravity...but I found the cause. When I noticed the display problem,
By Yves Tardif · #151010 ·
Re: display tilt adjustment hp8591a
You do not per chance have a steel workbench or similar? As I have found out the hard way ages ago (i.e. during my education) such an environment can affect tube trace alignment. Rotating the monitor
By Wilko Bulte · #151009 ·
Re: Retrofitting 3.5mm connector from HP 8485A sensor onto an existing HP 8481A sensor - possible?
On Thu, Mar 20, 2025 at 11:50 PM, Sven Schnelle wrote: > > But exactly as you said, the > levels where low by at least 3dB above 19GHz. > > > > > > > > >> I can see that... as
By Roy Thistle · #151008 ·