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Well, it happened again. I made sure to click the little "Quote Whole Post" icon before replying, but the quoted text didn't make it into my reply. 开云体育 gone bonkers, or is it me? What am I

Wasn't because I didn't try... I made sure to quote the original post in my reply, but I guess groups.io scrubbed it. I replied by "Reply to Group" at the bottom of the original message (I get the

Thanks. On scopes with no button labels I use Innerclean by Chemical Guys. Its for cleaning car interiors but works good for other stuff (like scope faces).

Many thanks for what ? Relevant prior post not included ???? -- Dave Manuals@... www.ArtekManuals.com

Many thanks for that; I'll look it up..... might even have some in the transistor collection :). Nigel Pritchard

https://www.youtube.com/watch?v=LPExywj5pJM -----Mensaje original----- De: [email protected] [mailto:[email protected]] En nombre de Chuck Harris Enviado el: domingo, 29 de abril de 2018

The tunnel diode indeed does have the V/I curve shown in the books, but only if the load resistance is zero, or very near zero. The slope of that load resistance's load line has to be so steep that

Hi GeorgeP, I'm over in Toronto, Ont., I don't mind driving over for big items. I only saw 5 items on Ebay, can you post a list we could look at? Thanks, Peter

Hi Dennis, "Dennis Tillman W7PF" <dennis@...> wrote: I've used archive.org a lot - but wasn't aware of using the "search metadata" tool to create a compilation of an subject such

That's not all... there is much more Tektronix manuals, catalogs, app notes, etc on this site. https://archive.org/search.php?query=tektronix&page=2 Dennis Tillman W7PF

On Sun, 29 Apr 2018 01:36:22 +0000 (UTC) "HankC, Boston, WA1HOS via Groups.Io" <hankc918@...> wrote: Thank you, Hank!!! Lyle -- Lyle Bickley AF6WS

The original mask is unscathed.? But I am surprised that Tek did not cover the guard traces with mask.? They are just traces after all and covering them with mask would simplify repairs like

?HankC, Boston WA1HOS

See this 1961 GE TD manual: https://ia802701.us.archive.org/3/items/GeTunnelDiodeManual/Ge1961TunnelDiodeManual.pdf The curve tracer circuit begins on page 66. You need very low resistance and

Wow, what a nice clean up job you did... makes mine look like a mess, by comparison!? Congratulations. Phil

My question would have to be: did you damage that solder mask the last time you worked on the MUX? If not, it should be fine the way it is. It is the flux that allows the solder to pull back into a

Hi Ed, I know through artifice that you can create plots of a tunnel diode. A 576 will do it directly, but it does not match the actual operation of the part, When the TD gets to the threshold

The Tek parts in the serial 20,000+ 453s were N-channel JFETS, a dual FET, Tek part 151-1011-00 in the front ends, and individual FETs, Tek part 151-1005-00 in the sweep and trigger generators. The

From the Tek semiconductor data book, the 151-0438-00 was superseded by 151-0712-00, both of which cross to an MPSH81. Cheers, Dave

I would like to thank one of the list members (you know who you are). It cleaned up nice. I changed the fan last night and replaced the variable time pot today. Here it is cleaned up and running.