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Hi Dave, I don't know if you already figured out the issue but in case you are still debugging: 63V at W972 translates to 48V at pin 12 of U940 which exceeds Abs Max of TL594. There must be other

Hoping and praying that Mrs. Tillman will recover fast. We all take the other half for granted and this sort of thing makes us think hard! Take things slow and try not to get overloaded yourself.

That porosity is why gold flash is so useless; basically decorative.? For professional equipment, we always specified 30u" of Au, 15u" was the absolute minimum.? Flash was considered worse than no

This scan is more legible than the others on the net: https://w140.com/tekwiki/images/0/01/Tek_AX4281_7854_measurement_variety.pdf

Hi Max, The PDF available on TekWiki is a very good quality scan: https://w140.com/tekwiki/images/0/01/Tek_AX4281_7854_measurement_variety.pdf At 400% magnification, the listing is quite legible. dan

Hi all, I am experimenting in programming the 7854 and I found this application note with very interesting programs, in particular the listing in figure 20, penultimate page. Unfortunately it is quite

All the best to you and Marian. If you have a 555 scope, you might be able to combine Tek along with feeding the fold by baking bread on top of it! Thanks, Barry - N4BUQ

Hello Dennis, Good luck to your wife, and I hope your cooking skills improve fast enough to avoid disaster. Once in a while I get email bounce messages from tekscopes.io, that sound like what you are

Best wishes for your wife's speedy recovery. Thanks again for all you do for the TEK community!

A couple of questions and comments. I see you have indicated that there is a foam product present in the container. Can you better describe the appearance of it to help define what it is? Yes, there

Best wishes, fingers thoroughly crossed! -ls-

<https://www.eevblog.com/forum/repair/broke-my-tds3000b/msg3514016/#msg3514016> David

I was told that the foam would break down and release flourine and that that was what attacked the gold and even stainless steel. I've opened up dozens of HP TE accessory boxs that have been closed

...And best wishees to Marian also from Italy! Giuliano

Dennis, Please forward the best wishes to your wife for a qick recovery and less pain from far away as Germany! I think it is a new and important experience for many of us to learn what kind of effort

Best wishes! I'm sure your wife will be up and running in no time!

Two things I can think of. One is something deposited on the gold, not an actual reaction. The second is something I have seen with gold plating. I have seen this with gold over nickel. If conditions

I am surprised that gold was affected. I thought gold did not react chemically so I looked it up. It is pretty inert except for reacting with cyanide. Perhaps one of the chemists on this list could

A close friend of mine of almost 40 years (60 year old retired fireman) from my gym was in terrible excruciating hip pain for many years and walked with a terrible limp. He had both hips replaced at

Thanks John I'd got about as far as David Jones did in identifying what the chips did. I'll post a screen shot on the EEVBLOG thread I created as the fault in this case is different, and is common to