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Robin, This may sound gross but I have a near mint 7704A that I bought for less than the value of the 7T11 sampling timebase that came with it. Since it is the only one of my 7000 frames that splits

IIRC the 468 ROM's came in three revisions, -00, -01 & -02, where -00 and -01 were Mostek. The -02 had the same digital content as the -01 but were CY7C264 EPROM's. The Mostek's are unreliable and for

Here is a link to the RPR .pdf files: http://w140.com/tekwiki/wiki/RPR Michael A. Terrell

Hi Roger, A 7603 would be lovely. I have a working ish but in needs attention 7704A with plugins that I’d happily swap for it. I need the space but don’t want to skip anything unless I can

Dear Menahem, Sergey, Harvey, Chuck and others, thanks for your advice, I did end up buying it as a refurb seems within my ability. Fortunately I do have a desolder station and can replace the chip

Dave - my continued and grateful thanks for the hard work in scanning these unique documents. They are a superb resource for us in restoring and repairing our Tek gear. Craig

This may need a special USB 'Y' power cable to get enough current to operate. I had to buy them for some external hard drives, and a DVD burner.

Based on requests we have scanned the 151- transistors and it is now on tekwiki.org. It is 762 pages. We have been asked about OCRing the document. That would make it searchable but the experiments

Probably the same as the stuff used to tie old electric motor windings. I think it's just called "lacing cord" and there are a few different varieties. Some are heat shrinkable. I have a spool here

I'm tossing around the thought of restoring a 468. It has Mostek MK36694J-5 and MK36693J-5 ROMs. Are these something that in order to do a proper restore need to be replaced? I had originally planned

I think they might be good. They have a clear part that is big like safety glasses, so maybe you can fit your prescription lenses in a frame under them.

9374L. I've been thinking of buying LC684DXL but it is not a very big improvement for occasional use. I don't like DSOs and prefer my trusty beloved 2467B unless I absolutely need some DSO-specific

I think marking distance is the same as focal distance. And I heartily agree with John. The old OptiVisor does not get near to a good pair of binocular loupes.

LeCroy DSO - what model do you use?

Unless your glasses correct precisely, the loupes will be roughly equivalent to your vision in three zones. One where your farsighted eye can focus, one where your nearsighted eye can focus, and one

My eyes have differing vision. One is nearsighted, the other is farsighted. Are those loupes usable under those circumstances? Steve, K8JQ

=================================================================================== When I was there during 1966-1971 the lacing was clear and round. It should be listed in one of the Common Design

Yes Dave, I have had fuse holders go iffy on me before. Sometimes replacing a fuse holder turns into a big project. This fuse holder on the 465M interface board feels very tight when I snap in a new

Don't know. It focuses at about 8 inches in front of me. Wearing them takes getting used to, but it lets you work at a "normal" distance. I guess it's a YMMV situation, but I am quite pleased with my

What is the term marking distance? 420mm. Is that the distance from the front of the lenses they focus at?