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I could not find any description of the Tektronix Tristar DSP. I understand that the DSA series probably was not very popular, but as far I know it was widely used also on the TDSs. Any suggestion for

OK, the CRT socket wiring interference issue is fixed, and while I had everything opened up I did some fan cooling experiments. I managed to fit a 3" diameter low (<5/8") profile DC fan in there

Go to H?kan‘s download web page. A version is listed immediately below the TEKCATS_11300 listed in the Obsolete Tektronix Softwares. I don’t know if it covers the DSA unit that you have.

Thanks John. BTW no scopes were harmed to make the frankie. The scope was entirely constructed from bits and pieces that were recovered from 502’s that were too far gone to salvage.

Bill, I paid a little more for my 556, but it is serial number 122 and has a P11 phosphor CRT. It works rather well and I’ve had it up to 126Mhz but like you say at a diminished amplitude. The R556

Thank you for your comments. The 502 Frankenscope. Is a hybrid. It was made from a 502. The three plugins are from a 561A. They connect directly to the deflection plate pins on the 502 crt. I was

Here is one I made a while back that might do the job. I haven't 3D printed it, so check the notes and comments left by others. I can make modifications if

When I wanted the 11300 version of TekCATS, I used to find that for the DSAs. Now I wish the DSA version but I cannot find it anymore... :) Can someone help me finding it? Thanks

I have a very mint 556. Bought it with the original manuals about 15 years ago for 25 bucks at a ham fest (cost me 35 for an 8608 driver tube to get it running right!) I have lot of plugins for it

I have several 500 series oscilloscopes, it all started with a 561A. Now I’ve got a 561B, four 575 Mod 122C’s,(with two spare CRT’s) two 547’s, (one needs a HV transformer) a 565, 556 and an

Please, has someone the 3D model for the foot used in 2465, 2430 etch? See the photo of the original part among the photos. Thanks Gianni

The following photos have been uploaded to the Reviving interest in Tektronix 500 and other Series Oscilloscopes ( /g/TekScopes/album?id=299466 ) photo album of the

Go for it John. Good luck.

I was glad to see some 500 interest. I have a 535a, 575, 503, a lack of plugins, and other tek stuff. I used 535a to try and see (barely) the Voyager in outer space slow scan ham radio broadcasts in

Sorry Charles. I have no handles. If you look at the photos (/g/TekScopes/album?id=299466 ) of my lab you can probably see many of my scopes don’t have handles. I will be keeping my

I have a 561A, a 561B, an RM561A _and_ a 564... but they all work :) I fixed them up back when Deane Kidd was the main source of NOS parts and they get occasional use to keep the electrolytics

In the document, two terms that you should know; “real time” refers to analog scope (1130x) and “ET” refers to equivalent time digitizing scope (1140x). Assume that the compatibility with ET

The closest to such a document can be found on the last four pages of the 11000-Series Plug-in to Main Frame Interface. It was the design requirement; however, not everything goes according to plan.

Re: Tek 7000 module modifications for use in the Tek DSA602 /602a ? Are there any comprehensive write-up's ( Blogs, or other ) about which Tek 7000 modules can be used in the DSA 602 / 602a

Hi group. It seems there is not the interest I expected for small parts to finish repair, refurbishing, and restoring 500 series. My purpose in offering this was to provide very hard to find small