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Please point to where this demo board is described. What does it do? I could not find it on the Tek museum website.When you say? "Watch the store," what store? Do you mean the Tek Museum eBay store?

We have inventory for another set of 25 and will begin building. Watch the store. We didn't expect this amount of demand and have a lot of shipping to tend to this week.

That should work. You can experiment with different cores easily and see how they measure up. Ed

I plan to build 25 more demo boards for the museum in the next couple of weeks, and will post here when they are available again. -Thomas

Since the last run of 25 sold out, I suspect they will plan to make some more of them. Being an all volunteer organization, it might not happen as quickly as some might like. I bought mine some years

The sine wave is a sawtooth on the screen. The modulation is in the Z axis. These two make it sound like ripple in the power supply. I have worked on these and found most of the 1mfd axial tantalums

Hello I recently picked up a 453. When triggered on a sine wave it seems to flicker. Interestingly it will stop flickering when i reduce the time to a certain point. Wondering if someone can point me

I just went to the ebay link, and it still shows "out of stock" and no way to order it... I would like to get one of these boards, or at least the programmed Atmel chip or a source code listing for

Hi Mark. I've only been running the scope out of the case long enough for the display to be shown but I do have some good thermal paste so I'll take your advice on that one, although who knows what

Guessing a DAC dropped a binary bit, likely D3 or D4 in the successive approximation custom chip output.

These are crazy expensive for what they are — even second hand and out of calibration. As far as I can guess the CT-6 current probe is just a moulded miniature toroid with 10 turns of thin wire

The garbage is back. Some idiot had bent a pin while plugging one of the storage boards back in. Photo here; there is a dot moving very slowly across the horizontal line, and the line can be moved up

James, You should know to fan cool the CCD IC on the bottom when out of the case. These run hot. Use a good compound to help with heat transfer from the IC to the heatsink, like MX-4 compound. This

I picked up a 492 recently, shown with a trace in the listing photos, so figured it would be at least partially working. Unfortunately, when it arrived the CRT was broken (thanks to not-so-great

One other thing which might be related is that the chassis (and therefore GND points) are at 65v DC in relation to the mains Earth potential. Here in Brazil there is not really an Earth system

Hi everyone. Hoping that someone might have encountered this before. So after the 492 repair, I picked up a nice, clean 2430A which was dead. Including the Rifas, the power supply board had 10

Yup, I wanted to check out my 2465 X-Y mode operation before I bought one, and now it's too late. :( Anyway, I verified that it should work with the 2465 - IF you enable X-Y mode properly. And that

25 Sold, now out of stock one day later. Looks like it has more features than the one I bought some years ago. Tom

HI and thanks for all the links and great advice. I will archive the information as when I went to look at the instrument is was seriously corroded by the leaky capacitors and I decided it was not for

Tim’s original post is from 13 years ago, back on the Yahoo group list. I wonder if he is even still subscribed to the new groups.io list. I found several sellers of reproduction feet on eBay. I