Hi folks, Is there a way to tell (for example by serial number) which scopes had which version of the A5 board? I am aware of 3 variants 1) leaky surface mount electrolytics 2) through hole electrolyt

I've been trolling the "pile of miscellaneous parts" auctions/sales on eBay in an attempt to cheaply bulk up my supply of consumable probe accessories, and I hit a few jackpots, but now I need some he

Hello all. I have a Tektronix 475 that I have been working on. I've got it repaired electrically so now comes the mechanical repair. It has 2 good volts per div knobs but the silkscreend values have b

are the posting getting fewer or is my email on getting them.

Is Shawn (KJ7MX) on here? I'm asking in reference to the eBay listing for printings of the 2236 manual: https://www.ebay.com/itm/Tektronix-2236-Instruction-Manual-Comb-Bound-Protective-Plastic-Covers-

Hello all! I've got a 7000 Series Standardization Plug-In 067-0587-02 that is acting strange. Sometimes the Gain setting on the TEST switch will show a compressed set of lines instead of the correct 1

Hi, Where is the service hours and power cycle statistic stored? Is it in the Dallas chip? I am about to buy 2467B which looks in excellent condition and was recently serviced. Since it shows only 4 p

Hi Have just obtained a new to me 7l12--it seems to work somehow--if filters-video span etc works--but dc feedthrough 150Mhz off--when tested with 50Mhz cal signal --it is located 150 off and span see

One more detail I forgot to mention: The international orders for Peter's book are all sent via AIR MAIL so they should arrive fairly quickly even though they are going around the world in many cases.

This book is being held in the main USPS Seattle Network Distribution Center: Tracking #: 9549016335941002723034, Zip Code: 67212 (Wichita, KS) This news story may have something to do with why it has

https://www.shopgoodwill.com/Item/113415082 No affiliation. It looks nice and clean. Bert

I got at least one of the Canadian tracking numbers mixed up with another Canadian tracking number. These are the correct tracking numbers and their destinations and/or delivery status LH127124103US D

I wrote a few weeks ago about no Horizontal trace on my TEK465. In the meantime I have replaced bad caps and transistors to the point where I have a sweep signal going to one of the CRT grids. I do no

A big milestone is coming this spring for KiCAD (schematic/PCB software). this new version is a very powerful tool, and 6 adds microwave/RF layout features and a lot of other goodies. For everybody th

Hi Ozan, Yes, it's funny how once you notice something, you suddenly see it everywhere. In the case of the 741, that NPN-PNP mashup was done to work around the terrible performance of PNPs. By combini

I recently picked up a 5A21N scope plug-in as a parts unit from which to build Jared Cabot's updated TM500 mainframe tester. I noticed this type lacks the back-plate or lower guide-pins found in some

Hi All: I started this topic, to see if we are interested in coming up with way(s) to satisfactorily construct "blank" TM500 modules, for custom plug-ins. What ways and satisfactory mean will have to

This book has been in the PHILADELPHIA PA NETWORK DISTRIBUTION CENTER since Jan 8 and it hasn't moved. Tracking #: 9549016335941002722853, Bryn Mawr PA 19010 These two books are still in the SEATTLE W

What is the current state of the art for replacing the 2020b late model NVRAM? 0. Looks like the Dallas DS1225AD is a drop in but requires extracting the configuration data. (Yup, I get that my 2465B

Sorry it's 2336 > > > > > >