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Assuming you have approxv $1000 worth of other test equipment needed to recalibrate said 7603 :) It's an easily snowballing hobby. Cheers, Kuba

I have often wondered about the actual differences in Tektronix CRTs. Within a basic class the tubes appear to be identical except for the part number. Please cut me lots of slack on the word appear.

TEK obviously had a second source for these. The actual U975 in my 2235 (that may need one) is labeled: "152-0806-00 MSL8513 MURATA 8544" The 8544 is probably the date code. A quick search of MURATA

I may need one of these also. The Tek pn is 152-0806-00 Mfr is Unitrode Corp. Watertown, MA Their pn CMX647 It is described in the TEK circuit description as: "High voltage mutiplier U975 utilizes the

While Stephen did not elaborate on "other desirables" - When covering the field, it is good to point out the surreal nature of the test equipment market in Murica, as it moves from engineering

Since there was some discussion about this awhile back, I'd like to point out that there's a neat picture of Cherenkov radiation in the February 2007 issue of IEEE Spectrum. It can be found on pages

ST pioneered built-in battery backed up SRAMs with their MK48Z products many years ago. The Dallas parts were interesting inside. Seemed to work OK but I'm betting most of the engineers in this group

Just to stick up for the 5000's, there _is_ a 1Ghz sampler, the 5S14N, basically a 7S14 repackaged slightly. But I am not familiar with aligning sets, so I don't know if sampling would work for that

Hi Charles: The 465M is not a variation of the 465 or 465B but is a vertical amplifier change from the 455/A2/B2 scope. I just copied the schematics for the 465M for you but I have not heard from you

deane kidd might have the parts

Greetings to the list. I have been working on restoring a 7D20 module in my R7704 mainframe. I have everything working except the CH1 input attenuator (A12 hybrid board on the A4 preamp module). The 2

From: "jones_chap" [Snip] If you will be aligning Tuners, the 5000 series won't do. You will need something that will get out there. I've read that one needs to have three times the bandwidth of the

Hi, I would really like the schematics for the 465 Military, I am trying to trouble shoot my scope -5 is gone I have replaced the caps. I have downloaded the avalible manuals and they are helpful but

Beside collecting TM500 plugins, anyone actually usem, in particulars, the AM501. Just got two of em. I'd like to use a FG504 & FG501A plus other signal generators to create all different types of

From a Person that has started a very small business repairing, modding, restoring equipment, local & eBay, has friends that design for Peavey and do this for a living, and owns 7000 series equipment

From: "Paul Anderson" I just recently bought one of these for my 7603 mainframe scope, are they suitable as a general purpose timebase? Not really. They are mainly designed to use paired with the 7B80

Has to be at least a tripler with 6kV diodes and 10nF caps/10kV each. For a tripler - 3 diodes and 3 capacitors... Greg

Jerry, you welcome. I see you probably used R186 trig bal to adjust voltage. that -3V was probably coming from out of Q190. good job, Greg checked good

Would anyone have a copy of Stan Griffiths' Book "Oscilloscopes: Selecting and Restoring a Classic" they would be willing to sell at a reasonable price? Please reply to me off-list. Thanks in Advance

These scopes have similar CRTs: SC501 (PN 154-0699-00) MR501 (PN 154-0703-00) 212 (PN 154-0699-00) 211 (PN 154-0642-00) In my 212 manual the CRT circuit shows .6V AC (that's POINT SIX VOLTS) coming