开云体育

Roy, Generally, it's best to troubleshoot a problem and solve it. BUT, in THIS case, what we have here, thanks to all the efforts of these capable and experienced techs here, is that ALL the problems

Ironic that the tek logo looks a bit coarsely digitised for an analog scope

The aging process for 157-0125-00 is documented on page 36 of the tube aging pdf on tekwiki. https://w140.com/tekwiki/images/3/3d/Tek_raw_tube_and_aging_specs.pdf It’s also mentioned on page 110

It's great you've submitted this information here. I'm sure this will help some folks down the line. Way to go. <rich.meyer@...> wrote:

The Tektronix 155-0124-00 is a hard part to find. I was able to repair my 2235 scope with an alternate part. I used a Tektronix 234-1008-20 which was made by Maxim for Tektronix. The Military

Jim, I had gotten some of those very tubes in the 1990s. I didn't use them until I (tried) to calibrate my 547 a few years ago and found them a little less than wonderful than actual 6DJ8s to the

All gone, looks like I missed out again.

I recently bought a 3B3 via ebay, that I got cheap because it had been damaged. The only obvious damage was that one of the long, round, chrome plated chassis rods was badly bent. I thought I had some

Hi, Sorry for this old story but there's some news about my TDS520. Due to real life it waited since december 2023 for my attention. Last week only took it from its shelf, opened it and I removed the

SG 503, often needs main frequency range C'AM switches fixed. Requires special Tek cable for cal into 50 ohms SG504 needs à leveling head PG 506 rare and costly, see epay. Often needs repair or

Hi, I got one !!!! Only four left now Regards, Joe Joe Germany

I did some more measurements and there is indeed some ripple on the LV PSU. The worst of it is on the 130V and the 15V rails. The 5V rail which powers the area of the circuit that 'appears' to be

I scored a TM503 with a TG501 and SG503 and would love to add a 506A to have nice calibration set. Send me a message and let me know! Thx. I'm in NJ.

Hi John! Staying busy. 17 of the 25 demo boards in this batch have sold since I made the post early this afternoon, so I'll need to build more soon. All proceeds support the VintageTEK

I am still waiting for some advice. In the mean time I checked for poor connection solder joints. Clean the A4 timing board. [email protected]> wrote:

Hi Thomas. Long time. How are you? Thanks for the link.

New eBay link: https://www.ebay.com/itm/116555806260 -Thomas

I'm very interested in the topic of 'recapping.' I know there was a problem with some brands of electrolytic capacitors, coming from China, circa 1999... and that has an effect on those things

If you have an A or B series, you can get the calibration values back in the NVRAM with this utility (or with GPIB, if you have the equipment):

Hello Paul thanks for the info I have just ceck the 100 Mhz oscillator but thats up and running ? any other problems to check ? best regards Hubert