The following photos have been uploaded to the Tektronix 7S14 album of the TekScopes@groups.io group. 324.JPG 325.JPG 326.JPG 328.JPG By: Carl Hallberg

I JUST SPOKE TO PETER KELLER WHO IS THRILLED YOU WANT HIS BOOK! ================================================================ These are the payment instructions for all of the DOMESTIC (US) orders

Dear Collective Wisdom, I was given a Tektronix Type 503 oscilloscope recently. It wasn't showing a trace. I checked it out and realized that a bad diode coming off of the the second power supply tran

The following photos have been uploaded to the Tektronix 577 album of the TekScopes@groups.io group. 347.JPG 348.JPG 349.JPG By: Carl Hallberg

I am trying to repair a TEK 465 oscilloscope that my friend bought from ebay. It does not have a trace unless I push the Beam Finder button. A trace then appears that I can move vertically, horizontal

Greetings to all, I would have a question having never owned a SA 7L13 plug-in I was wondering what advantages / differences there are in using a 7613 maiframe (storage oscilloscope) compared to a 760

I have a nice looking Tek 2247A scope here that has been sitting on the shelf for a while, due to a bad Channel i input. the signal is a horribly attenuated and differentiated replica of the actual in

Hi Mike, Except for the AM503 the TM5xxx current probe plugins were introduced at a point in time when Tek was facing a bleak financial future. After 35 years of providing parts lists and schematics i

Several people with California addresses notified me that Peter's book arrived Tuesday and Wednesday. The farthest one to arrive so far travelled 2,500 miles to a Pennsylvania address in 5 days. So fa

The following files have been uploaded to the Files area of the TekScopes@groups.io group. /AM503B_AM5050_cal_adapters.pdf By: mjmpdx1@... Description: AM503B & AM5030 Current Probe Amplifier Calibrat

hi Guys Am spending the first few days of the newly instigated UK national lockdown calibrating several 500 series scopes – a 545B and a 547. In each case there is an intriguing point where the manual

I have a tek 2465B (serial# B077725, so could have the infamous SMD cap issues) that sometimes does not start. Typically, this is in the morning, and after I hit the switch 2-3 times, it starts. This

Hey Guys, I'm in the process of (mostly done I think) repairing a 7904 power supply that goes into pulse mode. I replaced a number of the bad tantalums on the cap rectifier board which brought some su

Greetings, I live in Colorado Springs, Colorado and received my copy of Peter Keller’s book today. I want to extend my complements to Peter for his efforts to create such a wonderful and informative b

Hi all. I'm looking to build an 015-0670-00 Feed-Through Adapter for testing the AM503B Current Probe Amplifier TM500 plugin modules. I'm hoping someone has one they can take a peek inside and take so

Hi all, and Happy New Year 2021, Is a 564B a good grab, is it desirable at all? It’s not considered a 500 series, right? 56x family I suppose... Thanks 😊

Printed circuit boards are generally made with one of two materials (there are others), either a paper epoxy (FR-3) or a fiberglass epoxy (FR-4). There are others, but these are most common. Paper epo

I bought this off of Offerup for $20. I wouldn't have even bothered, but the woman had a lot of good dealings, and I don't feel like she had any reason to lie. The scope among other things were her la

The book, "The Cathode-Ray Tube," Dennis shipped via Media Mail on 1/2/2021 arrived here in Southern California today, 1/5/2021. Three days in transit is not bad... And, it arrived safely, in good con

Does anyone have a DC-100A tape with Tektronix EZ-TEST software on it for the Tektronix 4041 GPIB Controller, that they are interested in selling? Mine has become weak with time and is not reliable an