Zero-energy-consumption display system

One time storage scope

Ooops.. wrong photo :) -- David Gravereaux <davygrvy@...>

Here's a fun example of burn-in. Got permission to finally replace the green-screen (P31?) CRT in our old H/P 8924C RF test set and luckily took a comparison picture for posterity. This dates back

Hi, I am trying to restore brackets to a 7k extender assy and need a good mechanical drawing showing how the hardware is supposed to be. I am mechanically challanged! jerry

Okay, were getting closer. Chalk that up to user error I guess. From tektronix">Pic1 Connected Amp ground to the banana plug jack on the front panel labeled "GND" duh... From tektronix">Pic2

I would fix the intensity problem first if I were you.Running the tube as bright as it looks in those pictures for any length of time will do it no favours at all. Check over all the components in

Hi Bryan, The ESR meter deal has been discussed over and over again on Tekscopes, so the Tekscopes message archive has lots of ESR talk in it. I own three ESR meters including the Blue ESR Meter. They

--- In TekScopes@..., "Tom Miller" wrote: > > For #1, where in the CRT power supply did you measure the ripple? Do you have a bad probe ground? Are you trying to measure the audio in a floating

If I remember right, is there a separate ground wire on the input BNCconnector(s) on these scopes? Tom

I also wonder whether they made something to replace the coin-operable case locks for educational settings, IF 500 or 7000 boxes were ever used in such settings, and IF it wasn't assumed that high

For #1, where in the CRT power supply did you measure the ripple? Do youhave a bad probe ground? Are you trying to measure the audio in a floatingsystem? 2. Out of spec resistors are known causes of

It really is strange that I don't have any ripple visible in the calibrator signal. The scope came with three good probes, and all of them react similarly on both channels so I don't think the

Details on said kit? and how hard it would be to replicate manually? I have a couple of 500 series tek scopes now that it may not be a bad idea to protect them... thanks, David On Fri, May 20,

I have the Blue meter and like it. I work on a lot of scopes so find ituseful. It only took about two hours to build it and I put some good leads on it instead ofthe ones that came with it.

Don, this is a little OT, but Tektronix had a mod kit (p/n: 040-0159-00) that is easy to install and limits how bright you can set inten control. I have added one to my 545B and others,... saves

Yep, that's it. You can regard it as a network that turns the Z axis signal (let's say it varies from 0-100V for the sake of argument. I'm not sure on the exact range) into an AC signal with an

Hello all, I'm looking to get an ESR meter to help diagnose my broken 2235. I want something thats not going to break the bank, so I have these two kits in mind: Blue Meter LCFesR 3.06 Does anyone

Thank you all for the suggestions. I think I'm a little in over my head here, nevertheless it is a fascinating exercise and a great learning experience. Based on what you guys have said, I'm making

The TI9900 (not 99000) was also used in the 7854.