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I get a blank screen on my iPad, and a login screen on my PC for somewhere where I don't have a login, but as regards the whole project I'll be staying here thanks. I don't need a precious source of

I have it set to internal trigger but the output discrepancy is the same when triggered from my TG501A Time Mark Generator. If I set the Time Mark Generator to 0.1us and the Ramp Generator to 1us, I

I'm not sure how damaged your collet is, but this is how I fixed mine: https://youtu.be/Rks_AyfJNq4?t=874 Hope that helps a bit.

This might be obvious, but is the trigger signal at the right rate? I'm assuming that the voltages at each chip are correct... Don't have one, but that's what I'd think about, other than if the thing

Hi, I am currently repairing an RG501 Ramp Generator and have found it seems to be running at double speed, that is, when I set it to 1ms, it produces ramps of 500us width, this double speed is true

It's a long shot but I'm looking for one of the Clarostat pots that has the concentric shaft so that either another piggy-backed pot or switch is actuated using the 1/6" diameter shaft. The SLOPE

let me start by saying i have a 2215 with a faulty mainboard,but have the chance of a 2215 cheap,will the 2213 mainboard fit the 2215?,also what are the differences with them as both 60mhz tia.

[email protected]> wrote: 2. I've seen the post on the fan rebuild and I know my limits - not going I converted my 2465 to a temperature-controlled PC fan. I hated the whining of the fan enough that

Try again, let me know if you're still having trouble.

Refer to Schematic #12 POWER SUPPLY. The entire circuit is laid out there and this will help guide you. NOTE: I am referencing Manual # 070-2757-00. Other manuals may be slightly different Confirm no

Thanks, good point Jim. I'm not completely familiar with this circuit nor MECL implementation details yet. I don't think there's a Vtt in this design, but there are occasional Rs to Gnd on the same

Hi Alan, I second the thoughts regarding your videos. They are top notch. I didn't know you were a member of this list. I had a bad TD in my 7B53N and testing it similarly to the way you did in your

I have a Tek 465B that had a graticule bulb burn out. I replaced the bulbs, but must have sparked the board to the chassis when replacing it as I have no voltage at the output now. I’m currently

I sure wish Chuck Harris were still around!!! I miss his advise and cross banter from others having so much more knowledge than I. Larry

Also of interest: https://w140.com/tekwiki/images/b/bb/Service_Scope_49_Apr_1968.pdf page 14 shows a quick check method using the sweep sawtooth output on Tek scopes.

Say, Dave, the Vee to Gnd shorted thing may be unrelated, but I will bring up the Vtt appearing to be shorted to Gnd issue anyway.? Saw it first back in the late 1980s when I first worked with ECL.?

Incredulous would be the word that comes to mind when I think how I felt about my diagnosis of U287C being dead in this 7D15. But I could not reason why else I was getting no signal out on pin 14.

Thank you guys! Alan

So, I recently became the owner of a Tek 2445 and low and behold when I got it, it worked. Been doing some reading and took a peek inside and how its running I don't know but it's time for a re-cap. I

?ann sun., 26. des. 2021 kl. 22:36 skrifa?i <quadzillatech@...>: I believe this is it: https://www.mouser.ca/ProductDetail/Eagle-Picher/LTC-7P?qs=MQ89PJz411eJdMnu%252BtznWw%3D%3D . As others