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Jeff, Thanks for the tips. It's easy to see the back of the CRT socket in the 2215; not so easy to see the CRT side of the socket unless I pull the CRT shield off. Perhaps I should also look at the

Dave, The HV meter I used for the -2KV cathode measurement has a 40KV full range, so very possible I didn't see the -2KV move the needle. I'll have to see which type of preregulator it has. I noticed

On Thu, Mar 29, 2018 at 01:26 pm, Fabio Trevisan wrote: > > 8. Last, but not least, while checking the waveforms at the bases and emitters > of Q2441 and Q2541, the looked rather different (the

The one on ebay could have also been bought at the country store and taken home by anybody from a high school kid to a 7000 series design engineer. Bob.

Hi Jeff, Just a quick note to let you know that I received the 335 back feet and they are "perfect!" in fit and finish.? The included screws and washers are "icing on the cake" and make it even

I was hoping someone could say, "I used one when I was at tek", or "I bought mine at the country store"... I guessed from the dimensions and hardware that it was probably a 585, or similar... the 585

David G emailed me the schematics and they're on Tekwiki now: http://w140.com/tekwiki/wiki/Engineering_Power_Supply

Thanks. I was hoping someone could say, "I used one when I was at tek", or "I bought mine at the country store"... I guessed from the dimensions and hardware that it was probably a 585, or similar...

If you would like to add schematics or other documents to Tekwiki, feel free to contact me by email. Editing the wiki directly isn't necessary. I'm happy to do whatever it takes to get the documents

I actually have the TEK documentation on this unit as I have one on my bench. I did share as much as I could on the wiki, but was not able to upload the schematics. I acquired mine through an ex-TEK

Nice to say, but could you explain how you know? -Chuck Harris Pete Lancashire wrote:

The TU-50 was built the same way. It was a 105 Square Wave Generator, a 180 Timing Mark Generator, and a 190 Constant-Amplitude Sine Wave Generator, all crammed into one 500-series cabinet. Dave Wise

It is Tek -pete ex tekkie

I have a bit of doubt that tektronix had anything to do with that supply. It looks more to me like something someone bodged together out of an old scope. If you look on the front panel, which is where

One thing I've not seen mentioned. Has anyone talked to the Computer History folks, Al Kossow <aek@...>, and/or J?rg Hoppe < j_hoppe@...>? I'm left with the impression that they've

Well designed test fixtures are an asset to any company. One of my former employers cut corners on their in house fixtures, and it cost us a lot more than proper fixtures would have. Some needed

That most definitely was NOT done by Tektronix. Too bad, nice piece, even without any documentation. 73, Dick, W1KSZ mike.terrell@...> wrote:

No business that I've worked for would allow equipment to have an opening around the power connector, for liability reasons. A metal plate would have been made, to go between the connector and the

Hello, to excuse my English this is a translation .j have an oscilloscope tektro on 2235 which n has not to work since a moment and he(it) does not hold the avec track the trigger on a wave squares,

I uploaded the photos taken from having the feet installed on Bert's 314 to the photo gallery this morning. The album name is "Tektronix 314 and 335 Replacement Feet" Jeff