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I understand entirely the interest in building TD pulsers, and replicating/repairing Tek ones. But a bit of heresy - the Leo Bodnar pulsers produce 30ps rise, and around 24ps fall time. They come with

On Sat, 8 Dec 2018, Yiu On Tony C via Groups.Io wrote: There are photos in the group archives. Description somehow messed up during the transfer from Yahoo but all the photos seem to be still there.

Hi Sergey Kubushyn: Thanks for your reply and I try to find the posted ( is there any photos ? ) ,just message in group . I will try to build it . Regard Tony Cheung DEC 8 2018

On Sat, 8 Dec 2018, Yiu On Tony C via Groups.Io wrote: GI308D :) Mil spec variant is called 1I308D i.e. having number 1 instead of letter G for Germanium. That is true for all semiconductors made in

Hi : I cannot find such item on ebay ? What is the diode number ? Thanks for your help Regard Tony Cheung DEC 8 2018 --------------------------------------------

Ah - you can do that with a single 7844

Ha, Vincent, how apropos!? My wife and I are in the process of moving stuff out of her parents' house to sell it.? We went through the closet recently and found enough shoes to make Imelda Marcos

I guess it's like asking a women why does she have 564 different pairs of shoes, but only one pair of feet to use them with.... ^^ Vincent Trouilliez

Back in 2013 Sergey Kubushyn posted a great explanation of how to build a clone of a Tektronix 067-0681 TD Pulser. It required a specific Russian surplus tunnel diode. While there are always a bunch

I feel so disadvantaged. I only have three Tek scopes and three mongrels. Now just what do I do if I have to display more than 12 waveforms at once ?

Hi to all, I have the early version and a soft copy of the later one. I would like to get later version of this in paper form if possible. Is anyone able to assist? Thanks David

Hey y'all, I've just acquired a 7T11. This one - unlike the last one - wasn't pulverized in transport, and is in almost perfect mechanical shape. It seems to mostly work, except I believe the

I'm looking for a 604, my old one just bit the dust.. something in the HV supply keeps popping the 1AMP fuse.. it had previous problems with the +215 which i managed to repair but this is getting

I too had to draw the line somewhere, and it was also with the portables.? Somewhere north of 80, with no 2xxx or 4xx scopes.?? I almost bought a 535(I think) plus cart, CA, 1L10 and 1S2 for $35 at

On Thu, 6 Dec 2018 16:43:41 -0500, you wrote: > > >Sent from Mail for Windows 10 > >From: Harvey White >Sent: Thursday, December 6, 2018 4:29 PM >To: [email protected] >Subject: Re: [TekScopes] How

Lop pol, I was going to say at least no vacuum tubes except the CRT, but you said you want one (or two, or more).? Personally, I don't see why you would want a tube scope.? I mean, tubes are great

Perhaps we should rename this group "Scopes Anonymous" ;-) Dave

Glad I'm not the only one with this illness. two 453's two 485's two newly acquired 2430A's 2213A 2215 2221 468 TDS320 also newly acquired 7633 465 TM504 TM506 And currently working on a TDS420 power

This thread is therapy to me... thank you John.... My first scope 20 years ago: Hameg 604 Then a couple years ago I got infected by the "CRO" virus, it's getting out of hand I fear... 2232 5111A 2215A

I can count 12 from my desk, there's about 10 or so (parts and fixer candidates) around the corner and maybe 4 or 5 5000 series in the other room. They include many 4xx series, a few 7000 mainframes