Tony, your point is well taken and apologies for over-analyzing. It is mostly about learning and trying to understand on my part and a certain amount of confusion. However, I think I have now

John, I had a quick look at the DIL packaged 50MHz oscillators available from RS Online and they are all marked TTL/CMOS compatible, from where did you get yours? Please don't be insulted - you

I'm not so sure they are. DC leakage current is well below 100uA at 20V. I'll check them again at 40. When I say the cans are domed, they may have been made that way as these are sealed at the bottom

According to the 2225 manual, the Tektronix part number for the front cover is 200-3397-00. Other 2xxx scopes that share the same front cover include: 2201 2205 2211 2212 2216 There may be others,

Thomas, Snapdiode is usually pretty tolerant. I would bet that he was commenting on the spelling, and then only tongue-in-cheek. Part of surviving on these groups is learning that most folks don't

We get Fed Ex International flat rate boxes, 10 and 25 kg, come in packs of 10, sometimes available at Fed Ex stations. Very sturdy double walled, and special rate if used for Fed Ex international

Don't bet on the shipper doing a good packing job. I watched a UPS Store employee do a pack job on a an antique porcelain vase: Packed it in a poly bag. OK, that's good. He then placed it in the

I purchase cardboard boxes from a local supplier that specializes in paper products and shipping supplies. There is usually one or more such companies in any moderately metropolitan area. For

This came directly to me from snapdiode, whoever that is. I was under the impression that my posts were directed to a group dedicated to the use and maintenance of Tektronix equipment. If that is

Dave, Those electrolytics are defective. They have been running hot. Time to replace them. I hope that this helps! GOD Bless and Thanks, rich!

I spoke so highly of my 571 last month. When I recently went to use it, I was getting some artifacts in the display so I have set out to investigate. Unfortunately you can tell this wasn't designed

These keyboards come up very often on eBay, and they are quite inexpensive Just give it a little time. Gary yahoo.com@groups.io> wrote: -- Gary Robert Bosworth grbosworth@... Tel:

Dave, It is greatly appreciated. I love to drive and the extra money is very helpful since I am living on Social Security Disability. GOD Bless and Thanks, rich!

It's like Uber for scopes!  If I ever find a 570 and can't retrieve it myself, I'll keep you in mind! -Dave

Hi folks! Once again I am stumped and asking for some assistance. This is another scope I have been refurbishing. The power supply has been fully gone through and has all new filter capacitors and 1

I have large pelican style boxes that I ship my R-389, R-390, R-390A and R-391 in with foam inserts. They cost me $290 each but I’ll sell for 175 each. I have 2 extra keeping 4 for shipping radios.

Thanks Thomas. Excellent work. Erich downloaded the software files from the internet. They may be newer. There is also some calibration software files running around. Lastly I see the famous Dallas

More than what you're looking for, but it may interest you, anyhow. https://phoenix.craigslist.org/nph/ele/d/phoenix-tektronix-mhz-oscilloscopes-opt/7191612467.html

Hello all, And this is why I offer a premium delivery service. Expensive but the equipment is handled by just me. It will not be dropped, spindled, nor mutilated and it is kept in a climate

The cover at $30 is nice but sadly, the shipping to the UK is $65 !!  Way out of my league :-( My brother claims to be a whizz with a router and claims he can make one out of marine ply. I've seen