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

I have TM506 that I have had for some time. I have a PG506 that works but it shows terrible distortion on the top and bottom of the square wave when installed in any compartment the TM506. Just as a t

Anyone had to locate replacement batteries for this unit. Only marking on the battery is 1A. Original Tektronix description is: 1.5V, 650MAH, Alkaline-Manganese Dioxide Tektronix 067-0625-00 Peak to P

What do you guys think of this curve tracer compared to other “real” Tek ones? What would it compare to in the official Tek line? Is it worth it? I’ve never used a curve tracer before, and I don’t own

Rebonjour a tous: Same low SN B062 2465B has extrême CH1,2 compression on lower part of display. CH 3, 4 are perfect and normal. Photo Album: 2465B CH1,2 compression Taken with 100 kHz triangle on CH

I have noticed that much of the Tek gear we all seem interested in has no electrical safety approval of any kind. the same is true for HP gear. at what point did Tek actually incorporate equipment saf

https://www.ebay.com/itm/Tektronix-6R1A-Nixie-Tube-Display-tubes-sockets-biasing-resistors/143944707131 I guess someone is parting one out... the destructive way... You certainly won't be recovering t

I just joined here, having been a member of Yahoo! group some years ago. After checking with the moderator, apparently I am allowed to post that I have a 7854 working scope with 7A26, 7A16P, 7B80 and

I have a very nice 549 that I have owned for nearly 35 years. It worked flawlessly at first, but then began showing the infamous epoxy HV transformer potting issue. Back when it started doing this ('8