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The rejuvenation seldom works long term. Old TV boosters just raised the filament voltage a bit. Suggest that you Look for 3RP1 CRT on eBay or ham flea market Jon

I just got a Tek 468 from one of the guys here in town. It's missing the back cover and feet. Does anyone have what I need to put my scope back together? Just the parts or an old junker would be

This discussion of the physics of rejuvenation and double peaking here fascinates me! I'm about to try rejuvenating a 3RP1 CRT in my Heathkit HO-10 monitor scope (sorry, not a Tek scope, but

Good evening Guys, I released the new edition of my book about the 7000 Series, more than 800 pages completely rewritten. It is still free and available from my web page

Thanks for this - it will be much easier than the images emailed from my phone! Ron

Good on ya!

Hi Clark, Thank you for the advice and photos ... I have finally succeeded in getting the BNC nut undone ... For anyone with same issue ... disconnected all the Front Panel switches, removed the

https://test-equipment-for-sale-wanted-or-exchange.groups.io/g/main/topics

Hi Ron, I have a utility to print the screen to a file for the Tek THS7xx scopes. Source code for it is here: https://hackaday.io/project/25558-screen-capture-utility-for-tektronix-ths720-scopes. Code

Correction: TRICKS not trucks!

I do not have first-hand experience with the 7A15A but the input to the attenuator is similar to other products that require trucks or special tools to reach the BNC nut. You might get lucky with

Hey Keith, I'm scrubbing through the calibration instructions, trying to remember what I'd sussed out when I was looking into this. The principle is that the CRT is set up against a reference sweep,

Hmm. It does rather look like you need to use an analog scope with a delayed B timebase as the 'bench' scope, from reading Chucks's comment #154417. Time to read all of that thread... - Keith

[email protected]> wrote:

[email protected]> wrote: ... on the bench scope ... It occurs to me that alternatively you might be alig

[email protected]> wrote: I believe TG501 has positive-going pulses, but I don't think it matters for horizontal calibration. It is perhaps safer to use positive going pulses, as the scope

Siggi: We had similar questions years ago when we did our frst full CAL. Very important to do every section and be sure thhat CAL suceeds to write (rather than the deraed "out of range") Most

For Sale, wanted to buy group?????? Got a link for that? 73, and thanks, Dave (NK7Z) https://www.nk7z.net ARRL Volunteer Examiner ARRL Technical Specialist, RFI ARRL Asst. Director, NW Division,

Just in case people are not viewing the FS/WTB Group, I still have 468/465/465B for sale (in the UK only) on that group and am open to offers. Check that Group site for full info. Regards Nigel

Hi Siggi, Thanks, I've been able to run through the CAL01 (X) and CAL02 (Y), however I'm still lost at step 'jj'. I connect up a second scope as it says, with CH1 from the marker generator (in my