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

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

Hi all, I am fighting with a 2235 PS. I previously repaired several 2213 and 2215A's, and it "always" was the primary switcher, but this time.... I removed the Power FET to apply a external 43VDC to s

I'm currently poking the bear and designing a replacement Peak-to-Peak detector circuit for my Tektronix SG503 module to improve performance and have a replacement design for the unobtanium hybrid mod

The following files have been uploaded to the Files area of the TekScopes@groups.io group. /SG503_P2P_Substitute_REVISED.pdf By: John Bennett <jkbco@...> Description: Revised to properly sum impedance

Gentlemen, Over the years, I have seen and read a lot of threads about 24xxB but very few regarding the "A" version. Are there any similar "ouch" information apart from immediate replacment of the RIF

Gents, I am attempting to get my dusty 132 up and running again. To use it properly, it would need to be double terminated with 93 Ohm feed-thru terminators for maximum bandwidth. This implies 4 termi

Hello everybody, I have a Tektronix 7904. The device was probably left unused in the attic for a long time. After opening the device, I noticed that the board for the horizontal deflection was quite d

Hey folks, What is this unit missing? http://www.ebay.com/itm/EIP-inc-SPECTRUM-ANALYZER-plug-in-modle-101B-as-is-parts-/281208035622 And for that matter, what is this unit? It appears to be a plug-in

https://www.ebay.com/itm/Tektronix-183A-Rotational-Analyzer-Rare/143941414738 Also an interesting "salvage" stamp from Tek itself all over the thing.

Greetings all, I picked up a Tek 475 with the DM44 option installed. It came with an HP 10433A 10:1 probe marked "10MOhm // 10pF For 1MOhm // 10-16pF inputs" (an apparent mismatch for the 475's 20pF i

The following files have been uploaded to the Files area of the TekScopes@groups.io group. /EIP 101A_201A Ops_Svc OCR.pdf By: ChrisBeee <chrisbeee@...> Description: searchable Operating and Service ma

Hi all, I'm thinking of building my own version of the 067-0625-00 Peak-to-Peak Detector, and I am hoping someone has one that they can take a few decent photos of each side (maybe even with a ruler f

Hey y'all, I have a 2465 (in-line for recap) and a 2467. At some point there was a 2467B that came up for sale locally, which was tempting. However, after looking at the differences between my 2467 an