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Mine is definitely clear plastic. Assuming it is the proper

I understood what he meant perfectly from the context in which the word was used. DaveD

Come off it, they're in his shed! ;) Geoff.

Chris: I still have the 155-0022-00 in the original package that I ordered from TEK 20 years ago. If you live in the US or Canada I can put it into a padded envelope and send it to you. It sure

That settles that then. Replacement 155-0022-00 integrated circuits should be plentiful from parts mules. So far I have only had a 234-0408-20 fail which led to quite an adventure when I discovered

Hello, All So on my TDS744a, are there software locked features as well? The only one I don't have, I believe is the 1M which I assume requires a memory upgrade. I have 05, 13, 1F, 2F. Jerry

For anyone wanting to change the input BNCs in TDS5/6/7XX scopes, I found that Quest has the correct part in stock. The part number is "28JR472-1", and a direct link is

It will work fine, I do that every day. Well, not every day of course, but fairly frequently. I don't know what kind of paper I have, but it's just regular stuff like you would use for sanding paint

Hey, sounds like me. I even have 2 7104's. John Griessen

U510 is part number 155-0022-00. I do not understand the 156-022 (or M36) notation on the schematic but I have seen it and other notations like it before. 155-0022-00 is a low frequency (100+ MHz

Bill, Thank you so much - I hadn't realised that there were other parts the same in the mainframe. I swapped U324 with U510 and the fault is fixed! I tried swapping them back and forth a bit to

Im really glad it worked for you. I wish the vendors still had those OEM disks for their more recent products. Fortunately, todays hard drives are much larger and I am able to keep iso files any

Email for the win!

The readout looks squished horizontally to me so I think the problem is in the horizontal output amplifier. I would not give up on U510 yet because the outputs are currents operating into effectively

Hi folks. I'm a new member. I'm an old EE/Physics type but have been mostly in deep CS - lots of distributed OS and control systems - work for over 42 years but am coming back home to my roots so to

Hi Manfred, ============== David, It's right, but with a grain of salt: Unless a flux equalizing winding is used, the flux will very easily split up unevenly between the two side legs. So, you

Hi All: Have a look at ths schematic: All about classic Tektronix CRT o'scopes

Hi folks. I'm a new member. I'm an old EE/Physics type but have been mostly in deep CS work -lots of distributed and control systems - for over 42 years but am coming home roots so to speak. I'm

Thanks for your illuminating reply. One other time I required enlightenment regarding the word "kit". Thanks to generous folks such as yourself I get a little smarter from time to

I believe that U510 is P/N 155-022 rather than the 156-022 that you have quoted. At any rate did you notice that both the A3 Trigger Selector and A4 Vertical Interface boards, U324 and U214, have the