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oops, sorry. This is a 429P not a 492AP, I was wrong.

Your first post said the instrument is a 492AP. Which is it? They are quite different.

Thanks Robert, I have everything to view the 492P screen plot on PC, but I don't know how to start data transmission from the 492P. I have a Panasonic oscilloscope connected to the PC via the Prologix

Hi, From the KE5FX 7470.EXE manual: "7470.EXE is a Win32-based emulator for the HP 7470A plotter. It will acquire an HP-GL/2 plot and render it in a window. The plot can then be printed, viewed as an

Thierry, See if the Cherry microswitch is is opening and closing. That will do what you describe if it is not mounted right. This is pushed by the pin on the front knobs. The white spool is between

To clear things up, the types mentioned in question are X and Y caps. The X1 can replace an X2 and a Y1 can replace a Y2. The reverse of these is not recommended, e.g. X2 replacing an X1. Mark

The misattribution was due to the way groups.io quotes text, but I'm the one who wasn't paying attention, so I'll accept the blame. For the record, the quote actually came from Mark Vincent.

thank you Dan/Mark. nearly there... There was no reference voltage . I've therefore replaced U752 (LM741). This has restored the sweep on the interface board, AV, AU (holdoff) and can now see the

Thanks :) I stuffed it all into the 5 x 2-1/4 square Minibox, including a 6 ns semirigid charge line. Displayed 10-90 risetime is just under 400 ps on a 75 ps sampling head. Flat-top could be flatter

Hi all, I've just uploaded two screenshots: /g/TekScopes/photo/262075/4 /g/TekScopes/photo/262075/5 It's my PG506's (+) fast rise output directly coupled to a PM3340

This started as a conversation among @oculus, Jerry Hancock and I. Jerry got an 11801C, @oculus got a CSA803A and I've got a 2nd 11801 which Jerry in a fit of foolishness sold to me ;-) along with an

The following photos have been updated in the Avalanche pulser ( /g/TekScopes/album?id=261904 ) album of the [email protected] group. * 5 ns/div, 1 v/div into 50 ohms. Reflections

Hi Ted, I recommend continuing to read papers beyond those from 1923. It's hard to do better than to read Black's own 1934 paper (January issue of bstj, also available at archive.org, as well as

Nice! Been looking for a fix for the 1A4.Wouldn't mind getting some.Bernd Schroder

While as a self-taught amateur physicist I hesitate to challenge a university professor but if my understanding is correct (and it is often not so) the argument that the purpose of the introduction of

Thanks a lot Richard! It really looked as if the third pcb pin was isolated from the rest and was only there to keep the jumper save in non-gnd position. So I simply left the jumper out when trying

Thanks for your insight on this Albert. By coincidence, a paper copy of the 7S12 manual which I purchased on eBay a while back arrived today, dated June 1986. So now I have yet another reference to

Chuck, where are you?? I am in Los Angeles and would like to find someone who is willing to get my Tek 2440 working.? Maybe that's not you. The history is that when I got it, it worked but would not

You ought to upload the article to TekWiki at w140.com . Dave Wise ________________________________ Sent: Friday, March 26, 2021 2:43 PM To: [email protected] Subject: Re: [TekScopes] Repair of Set

Hi Mark, I am always willing to do the work. Contact me off group. -Chuck Harris <orangeglowaudio@...> wrote: