Wrapping up the TekScopes pledge drive, Michael Dunn and I are STUNNED by your generosity and all the positive comments we received. Your contributions have exceeded the $340 paid to Groups.io by almo

from Tim P (UK) What is this, please? It seems to be a simple analog computer, maybe with Log pots. In case the link doesn't work, the device is in tekwiki Other Instruments. http://w140.com/tekwiki/w

Hello,I'm currently attempting to repair a tektronix 555. Is there a place I would be able to source a replacement fan motor for the power supply unit, and a replacement 555 21A/22A vernier/level knob

I was wondering if anyone has had any experience using uship.com for shipping scopes or other electronics. If you're unfamiliar with them, they are like an Uber, but for shipping, including long dista

Like everyone here I have created a problem my wife will have to deal with when I am no longer around. She has the phone number of the vintageTEK Museum on our refrigerator. Problem solved. Now that t

No! TikTok is a different App. ToTok is Trojan Horse that was published by the UAE. The Apple App Store and some others had it available. Please don't confuse the two of them. They are both bad but I

Hello all, I just learned about this and it needs to be spread far and wide. For all of you folks who use cell phonesthat have had Apps installed on them you need to check if you have installed an App

I purchased a TDS3014/GPIB module off of EBAY for $1000.00. It came with a scope cover, scope probes, printed manuals, CDs (worthless, but cool), an NI USB to GPIB Adaptor, bunch of various BNC adapto

I need to replace the EPROMs in a 2445 oscilloscope. These appear to be two 27128 EPROMs with part numbers 160-1994-09 & 160-1995-09. Does anyone know the access time required for these? I am able to

Hello all: My workhorse 7A26 needed rework, in 7804 mainframe. Cleaned the AC/DC/GR contacts on attn with the iso alcohol-paper strips, and exercised some scratchy controls. Poor fast transient respon

To All: I am looking for someone who might have the A7 Timing Board from a 465 Late S/N (B250000+) Unit that they would be willing to sell for a reasonable price and shipping. I can pay by PayPal. Par

Hi group, I bought a 604 XY from ebay late last year. Have been checking the unit out, and while generally in good condition, it's suffered some indignities, which appear to have destroyed the CRT. Ev

Hello everybody, In a few minutes it will be 2020. This is much further into the future than I thought I'd ever see. Years ago I was sure someone would have developed a tiny ultra-thin LED display tha

Has anybody produced anything interesting recently for CSA803 / 1180x series that allows remote comms? Apart from screen shot capture and printing. The talks about these instruments spring up now and

Since I do not see this test point labeled can anyone tell me where it is? Do I need to adjust it by reading the +100 until it reaches +100? I see where the -150 adjust pot is at least. I did take som

Good Morning All, I have a very clean Tek 532 that has a problem I cannot solve. There is something wrong in the Low Voltage Power Supply specifically the -150V section. The symptoms are as follows: 1

This "lot of 3" item on eBay includes a couple of 5A1xN scope plugins and a "liquid crystal driver" plugin: https://www.ebay.com/itm/LOT-OF-3-TEKTRONIX-PLUG-IN-5A18N-DUAL-TRACE-AMP-5A15N-AMP-LIQUID-CR

I'll buy a junked 465M if it will go for cheap just to get a top cover. Just let me know. Thanks. -Arden

Does anyone know offhand, if all the 7K mainframes have the same - more or less - characteristics for the Z-axis input, such as polarity, levels, and input R? Ed

So I am finally working up the nerve to put an AA501 on the bench and run it through its checks. From a preliminary check in It looks like the voltage section is working well and tracking with my mete