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Hi Li: Yes. The OP about it spelled it "Gyptol" ... but, in the U.S., at least, it's brand named Glyptal. -- Roy Thistle

About 12 years ago I repaired a 2213A power supply and the main problem was T948. So basically yes, you are probably correct in your assumption that your T948 is bad as well, as it has happened

Hi, I got some questions on this, so I did a short writeup on it, and also the design files are available from there. https://diysquared.blogspot.com/2021/03/readout-for-5s14n.html Szabolcs Szabolcs

Today I'll re-read the manual, more attention to details "My guess is that the entire shutter switches R/G/B on successive frame refreshes, but I don't understand why the complicated shutter circuitry

Minor (moot) point: The 7B85 is a *delaying* time base: It generates the delay time for a 7B80 time base. Because the 7603 accepts only one time base (horizontally), a 7B80 would do the job just as

I am reviving a long dead thread to say thanks for the help on this repair. I was able to get the 284 back to working 100%. The TD was good and this was a biasing issue with the resisters. If any one

Hi Eric, I have 7B53A also. I just got some extra plugins with one 7603. Wanted to see how faster sweeps behave using 7B87; not so well. BR, Jouko

One other thing to note is the 7B87 is a special time base for the 7854 mainframe it puts out some additional signals that are needed for single shot digitize in that mainframe only. The delayed time

Hi Bob, thanks for the information. The only reason for a upgrade was: "Allows saving screen images to the floppy in .bmp format.........shift/hardcopy Allows saving curve files to the floppy in .csv

You are completely right, Brian! P6230 first, then P6056. I hardly ever use a 7S14. I mostly use a 7904(A) or a 7854. If necessary, I use a 7T11A/7S11 with S-4 or the like. I hardly ever play with my

A 475 with Hughes Aircraft tag might have been something to do with Oak Ridge Labs, since Hughes was a govt contractor with capital C.

I've always thought it was called Glyptal? I'm still using it for some instances where I'd have to lock a potentiometer in place after tweaking it, in a high vibe environment. [email protected]>

Hi Raymond?Would I be anywhere near right if I suggested the P6230 -- is that the one providing DC offset . If I am wrong then I would gp for the P6056/6057? Brian

I like the P6201 also , I'm lucky enough to have 4 complete sets . I have not used them with a 7S14 though only the resistive probes . I have a 7S14 acquired long before the P6201's but the sampler

Hey,I found an interesting anecdotal reference to bad emission no longer manufactured RADAR CRTs and certain hard to source specialist vacuum tubes being temporarily repaired using a Blu-ray or 445nm

I have P6056/6057's and FET probes - and a P6230. Guess which one I use most. Raymond

Hi Brian, I love the P6201 and actually prefer it over the P6202 because of its handling convenience. I have the luxury of several 'scopes with probe power sockets. Still, I have modified two P6202's

Further to this, AFAIK the OP wasn't looking for 1 GHz BW as such, but looking for a significantly faster time base and vertical BW. Even the P6201 "only" achieves 900 MHz "on its own". Talking about

On 50 Ohm WB plugins we use a direct connection with BNC/coax or a Zo Probe like P6156. The FET probes are huge, costly, have DC offset and VERY easy to damage the input FETs. Seldom of practical use.

Hi Raymond?I cant afford better than the P6201 and a home made 1101 substitute , if I need better I have a P6056 and P6057 resistive probes but of course no Hi-Z input? Brian