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Thanks Jay, Sadly no 'Ship Date' for my 2245A. Brian.

Ah! Thank you for that. Not sure how I didn't spot it. Duly ordered - I figured it was worth the cost to turn a technical curiosity into a genuinely useful tool. Now to figure out how to mount those

It truly is because English is the universal language. Sure, in the USA, we generally speak only English, but everywhere in the world, except for Quebec, Canada, English is taught to all the school

1I308K is on eBay for $34 for 2 off item number 331453647843 Craig

Are you sure that's a relevant difference? I don't see why. If you're not a member of the group, why should membership of groups.io give you any special privileges? and why should you care? EJP

I know tunnel diodes crop up here from time to time in fast pulse generators and timebase triggers. I'm trying to get my Soviet Ya4S-89 pulse generator working properly, and by experimentation and

You can try this: https://www.tek.com/mytek_support_status David Garrido found this. Works with the TDS scopes. Don't know how far back it goes... Jay

Last update: It was indeed the CRT, a new CRT completly fixed the problem. No other parts of the scope needed replacement. Probably there was something not right with control grid in the old tube. No

I googled it up and found: "It was supposed to say "Hecho en USSR," but the Chinese supplier of the labels misread the French font company's tag dimensions from the English screen printing service's

This is an export version as we can tell by German words used. And the ?made in" mark appeared on almost everything intended to go abroad. The same scopes for local market don’t have this marking

According to Lt. Sulu on Star Trek, the Russians invented everything! Michael A. Terrell

If the unit has a cooling fan, there is often a date stamped (in ink) on them. I had to replace the fan in my 545B, and once out of the case, I was able to see the date as 1968. The stamping on the

I was trying to figure it out, and the only thing that seemed to make any sense was advertising- They wanted to ensure that any English-speaking person who happened to see such a fine scope would know

You get the observant award of the day. I didn't even think of that and if I had I might have dismiss it as English being a "universal" language, which is actually a farce. English speaking is not in

Forgot to mention one thing - an old (1970s) example of doing something like this is in one of the HP141 modular RF/microwave spectrum analyzer systems. There's a plug-in (I forget which model - maybe

The short answer is no. The long answer is that that you could conceivably do that with enough complexity, money, and time. You're better off getting equipment built for low frequency work - same

Why does it say "Made in USSR" in english?? Seems odd that they'd need that. -Dave To: [email protected] Sent: Thursday, May 3, 2018 8:03 AM Subject: Re: [TekScopes] New acquisition: Soviet

It would be quite the surprise if somebody found the records for serial number release from manufacturing. To make matters worse when Tek started to divisionalize many did it their own way. I Can Only

Thank you, That was really helpful in many ways. Alas it didn't explain the TM504A modes. FWIW I did get my TM504A working. I had to remove the slot to slot mods and the oscillation was fixed after

Apparently no images unless you are a subscriber. Bob.