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Date
Re: 8566B Attenuator Service
hydrofluoric acid Nasty indeed! If I recall (40 year old memory) this is used for IC fab, at least back in the day. When I started at HP, they talked about it. It would not attack your flesh (went
By Mark Bielman · #147167 ·
Re: KO4BB manuals site error
Same here in Bulgaria [email protected]> wrote:
By Roumen · #147166 ·
Re: 8566B Attenuator Service
Now goes through calibration no problem. I had an early scare when I saw no trace on the screen but then remembered I hadn't cabled up the 100Mhz out to RF in! Anyway, all fully working now - until
By Jinxie · #147165 ·
Re: 8566B Attenuator Service
Jim, I can't think of any scenario where I would even dream of using that stuff!
By Jinxie · #147164 ·
Re: Introduction
Hey, Radu? you should have shown your garage before you sold off those power supplies! Yahoo Mail: Search, Organize, Conquer
By Jim Ford · #147163 ·
Re: Introduction
Jim #1 (chronological order): welcome, and what a stage entry! Jim #2: know it very well! So that's how we play it? A "bench showoff" is on? ;) [email protected]> wrote:
By Radu Bogdan Dicher · #147162 ·
Re: Introduction
No unused surfaces. Well done, Jim! --Tom
By Tom Lee · #147161 ·
Re: 8566B Attenuator Service
Oh, you said NOT surprising!? My mistake.? ? Jim? Yahoo Mail: Search, Organize, Conquer On Tue, Sep 17, 2024 at 2:27 PM, Jim Ford<james.ford@...> wrote: Uh, why would normal solvents
By Jim Ford · #147160 ·
Re: HP 5245L: unknown chassis capacitor
This has already been mentioned, one tag has no connection, just the remains of the wire (cut off?). The other tag has two red wires connected together. "This is quite important as one of the two
By factory · #147159 ·
Re: 8566B Attenuator Service
Uh, why would normal solvents dissolve glass?? I think you would need hydrofluoric acid to do that.? Very, very nasty stuff I've been told.? ? Jim Ford, Laguna Hills, California, USA? Yahoo Mail:
By Jim Ford · #147158 ·
Re: 8566B Attenuator Service
Thanks, Robert. If it was indeed a glass deposit it's not surprising solvents wouldn't touch it. In fact I'm surprised the 1500 grit paper did!
By Jinxie · #147157 ·
Re: Introduction
Nice lab, Jim!? Another Jim here.? Here's my garage lab.? Jim Ford, Laguna Hills, California, USA? Yahoo Mail: Search, Organize, Conquer On Tue, Sep 17, 2024 at 1:36 PM, Jim via
By Jim Ford · #147156 ·
Re: HP8970 Companion
I updated it and the script pulls, compiles and installs on Raspberry PI OS (a flavor of Debian)
By vk2bea · #147155 ·
Introduction
I was just approved to join in the fun here. For background info: - overall years using HP RF test equipment: approximately 49 - currently own 23 items of mostly RF related HP test equipment
By Jim · #147154 ·
Re: HP 5245L: unknown chassis capacitor
The OP's picture shows solder on the left terminal and what looks like the outline of a wire. OP: Can you tell what the wires go to? Dave Wise
By Dave Wise · #147153 ·
Re: GPIB scripting software?
In 10 years, many entry level and junior programming positions will be eliminated. You only need to keep the senior engineers to sanity check the generated code. In 20 years, there will be a
By Jim n8qoh · #147152 ·
Re: 8566B Attenuator Service
All hail Barney! Tom Sent from an iThing; please forgive the typos and brevity
By Tom Lee · #147151 ·
File /All HP, Agilent and Keysight instruments in folders by part numbers/8000 to 8999/8920 - 8924 OMNI VISION INC 6&quot; CRT/Panasonic-BN-08MHSR-datasheet.pdf uploaded #file-notice
The following files and folders have been uploaded to the Files area of the [email protected] group. * /All HP, Agilent and Keysight instruments in folders by part
By Group Notification <noreply@...> · #147150 ·
Re: 8566B Attenuator Service
OK I'm late with this response due to time zones and work. 1/ Well done on fixing it. 2/ The "always enerigised was in fact "won't switch over". There are two contacts per coil assembly, one for set
By Robert G8RPI · #147149 ·
Re: 8566B Attenuator Service
Also, guidelines and practices for the Bell System were meant to maintain millions of contacts that were expected to undergo millions of operations without failure. Your 8566B attenuator might see a
By John Miles · #147148 ·