I believe there was some sort of relationship between Tektronix and Rohde & Schwarz, so maybe I'm not too far off topic.�� The discussion of the transformers in the 549 and my experiences with an

- <rrrr6789@...> updated the album CooperVision scope: Bought is a surplus store and don't know anything about. The plugins do fit a TM 503 mainframe and I thought that is was a modified Series 5000 s

- <rrrr6789@...> added the album CooperVision scope: Bought is a surplus store and don't know anything about. The scope is a Tektronix 608 monitor and the chassis has two Tektronix stickers on the bac

Hi all, I’ve got a 2236 that’s been working for years other than a broken VFD display. I just found a replacement VFD and installed it and now have just a tick at startup. The scope does about 5-6 tic

Hello everybody, I have a problem of probe identify on a 7A16A plug-in inserted on a 7603 mainframe, in X1 mode it works, but in X10 mode the indications on the ranges from 5 mV to 500 mV are identica

Just a brief comment on TM500 module faceplates, especially as it relates to test plug ins. 1. the layered plastic/metal front panel is not really useful for most locally made items. Its purpose for T

Regarding the TM500 board connectors, there actually is a small chamfer or edge break on these edge finger connectors and it is important that it be present. You might need a magnifying glass to see t

I was about to make the backing plate today and suddenly realized that I needed the plastic surround/trim. (I had forgotten about it!) Last fall I was working on a 3D printed faceplate for one of the

What is his eBay ID? In a message dated 2/16/2021 6:18:14 PM Eastern Standard Time, voorhis@... writes: On 16 Feb 2021, at 23:09, snapdiode via groups.io <snapdiode@...> wrote: Looks like his www.qser

I acquired an S-1 sampling head for cheap, "Untested, for parts only" (Yeah, right, since it came from a surplus test equipment company!). We all know what that means. Anyhow, as I expected, it doesn'

My board set came today: What a wonderful job of packing! Very professional! Thank you so much for undertaking this project.Best Regards,Jeff Kruth

Well, Its been a long time. I need to know if anyone is interested in having their mixer beam lead diodes replaced with similar or better beam lead diodes. some of the diodes in older Tek spectrum ana

Folks, I started following TekScopes a few months ago when searching for hints on fixing my ex-IBM Tek485. I got it working in no small part to hints gleaned from this group. THANKS. I bring up my mis

I bought a very inexpensive 7623A on the auction site and it just arrived. The aluminum cover on the back was dented in, and there was some damage to the low voltage regulator board (the fuse was shat

When I bought my 3S2 sampling plug-in, it came with a 012-0124-00 Sampling Head Extender (3 ft). Thought that was a nice bonus. Unfortunately some genius seems to have removed the push-on coax connect

Hi, I have owned a 7704A for ages, it was give to me or it was being thrown out. I initially plugged it in but all I got was a very bright dot on the screen so left it alone. Recently tried it again w

Offtopic apology in advance. Just checking if anyone in the Manchester, NH area could help me with a (non-Tek) Craigslist buy. Seller says local pick up only. TIA Prasad ( quad at techie period com )

The following photos have been uploaded to the D-sub coaxial connectors used in 012-0124-00 extender album of the TekScopes@groups.io group. 20210214_203404.jpg 20210214_203335.jpg By: snapdiode <snap

snapdiode <snapdiode@...> added the album D-sub coaxial connectors used in 012-0124-00 extender: Looks like these fit

On the topic of plug in YIG based pan receivers for Tek scopes.... I dug in my pile of historical rubble, er, "artifacts" and found my Microwave Physics Corp (of Garland Texas) "Panoramic Receiver Plu