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Harlan Ellison always came across as too self important. I saw him interviewed a few times, and he always came across as an ass. He loved the line, "I don't owe my readers anything!" Have you ever

I've had a couple of TDS7x4 scopes with issues on that board. Below are some notes that I wrote up once for the group. Also I have a schematic that I got somewhere for a TDS544 HV board, and I was

I have to see if the old PCB design software I have still works. I'll probably make a sample run of ten, to see how they turn out. I am looking into a CNC controlled engraver to mark the extruded

Already was in electronics by that time. Also consider "Demon with a Glass Hand" which was one of the few things by Harlan Ellison that I can like. oh, and also "Behold, Eck!" Harvey

I threw one of these together a year or so ago- photo of internals here- http://homepages.ihug.co.nz/~tractorb/tdr%20pulser%20internal.jpg It works very well- considering how simple it is. But an SMD

It was Episode one, of Season one. It was one of the very few Sci-Fi TV episodes that sucked me into the storyline. It first aired in 1963, and I was just 11 at the time. :) Michael A. Terrell

I missed this one or don’t remember it. Thanks for the link. My fav was “Controlled Experiment” with Barry Morse and Carroll O’Connor. I’ll be enjoying ‘Galaxy Being’ tonight. George

There's a link to the manuals on the TekWiki site: http://w140.com/tekwiki/wiki/11403

This is a product of them being a FOR PROFIT business and nothing more. So many think they are a gov’t entity

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Uh, it would be nice if I could find where the caps on the +5V line are located! I don't see anything on the A11 Low Voltage Board schematic. I assume the voltages from the LV board are distributed to

That was 'The Outer Limits' and it ran all day on the 4th of July on Me TV. How many of you got into electronics after watching the 'Galaxy Being' episode? I know several AM radio engineers who claim

You can build a simple TDR with a 74AC14, some resistors and a couple capacitors.

Do as old TV show did - YOU control the horizontal - time sweep and vertical - input scale. Does the scope have "trace locator" button? Use it to center a "point " on screen. Does the cope has

There's 4 or 5 TO-39 transistors on the CRT neck board. One of them is prone to shorting and causing that problem. Later revisions had a heatsink on it to keep it cooler. Sometimes it will be

ALL OF THE ABOVE GO INTO 5000 OSCILLOSCOPES AND DO NOT FIT INTO A TM5000 mainframe. There's a compatibility list in the archives here. IIRC, the answer is no.

The shaft size is 0.125 in or ~3.2mm. I didnt take the 368 back apart but the one i cobbled together in it is the same I'm almost certain. Sorry for the delay in responding. The small dish amplifiers

Here's what the ripple voltages measured in volts peak to peak: -50V: 20m -15V: 20m +5V: 3 +15V: 20m +50V: 10m +130V: 0.2 So, all out of spec except for +130V, and +5V way out. +5V was a high duty

Sounds like you have enough scope for the moment. You should use the probes. You have an electrical graph. The Y axis (vertical) is almost always the voltage. The X axis (horizontal) is almost always

Sorry, our internet has been dead . Let me measure and get back to you, thanks, Russ -- Good j