hi, Apologies in advance, if Not appropriate: Is it ok to ask the experts in this forum: -- What Tek equipment & methods could be used, for the accurate measurements of Super Capacitors ? For Capacita

hi Chuck, Steven, Where can one find Corby Dawson's detailed procedures and info ? Any .pdf's research or technical papers, or Blogs ? For both the Rb cell Rejuvenation & the Optical mods to the HP 50

Does anyone know how the PTB-100 Ball Efratom Rubidium standard performs & compares technically (data & experience), with any of the other available frequency standards ? (phase noise, etc...) -- and

hi Dennis, If I understand, from msg# https://groups.io/g/TekScopes/message/144922, Ed states that there were at least 3 different versions of the PBT-100: -- Does anyone know in detail what the diffe

hi Ed, Did you take any *photos* &/or *notes* of the 3 different PTB-100 Efratom devices that you had ? If so, I am hoping you might deposit this information on the TekWiki for our edification. I have

hi Dennis, I see Tektronix Tekniques Volume 4, No. 4, in .pdf form here: https://ia801909.us.archive.org/3/items/bitsavers_tektronixtesVol4No04_12686536/Tekniques_Vol_4_No_04.pdf in the file: https://

hi, Re: U800 IC This may have already been suggested ... ? Why not have an 3" or 4" extension wire, with a lug on it, from the the -5V substrate bias supply on the PCB up to the U800 ? Slip the lug on

hi Jeff, Any chance you can include some *jumpers* so that this battery replacement PCB unit can also function in an AC/DC Tek 422 scope ? (With or without a 3D printed plastic retrofit case ?) thank

hi Michael, Re: bulk Replacement HV Transformers for the Trk 576 CT Status ? Do we know when these will be ready to be shipped out to us ? thank you, rick

The eBay seller of the Tek 576 with USB is still listing .... perhaps he has multiple units... His Tek 576 plots on the laptop screen seem quite convincing and useful... (eBay search " Tektronix 576 U

Other: Possibly Tek engineer inspired(?) Big Board CP/M Z80a single board computer &/or Micro Cornucopia magazine ? Would anyone know if J.B. Ferguson or David Thompson were Tektronix engineers ? -- A

Oops, I apologize ! I found the Tek Wiki Relay page : http://w140.com/tekwiki/wiki/Miniature_relays It has most of what I was looking for, but perhaps not all have photos ( of front & back) with the c

hi, Could we have an added TekWiki W140.com page devoted to all Tek Relays ? - Photos of front & back of each relay, ( with relay diagram, Tek part# & coil Ohms) - specs, and - in which instruments, p

hi Tom, This may help: https://www.eevblog.com/forum/repair/tektronix-ths720p-bad-screen-lcd-lm32p10/ jal1234 states (Dec. 2017) : " I just changed both polarizers on a THS720 I got off eBay for relat

A reply from Richard Diehl : ... a possible inexpensive solution . " You need to capture the XY signals directly and then digitize them. Here is how I would do that. You can not directly tap the CRT d

hi Michael, Dennis, Miguel, Harvey , This is looking good... thank you all !! , for your continued interest in getting the Tek 576 signals out, ... not only in case the CRT or HV transformer dies ...

hi Ed, Referring to your response : 12:19pm #162991 I agree with you, 1st step would be to get at the 576 CRT display XYZ info & possibly a sync pulse out to the back panel to go to a different X-Y sc

Just for the record: no affiliation. What is interesting is that the eBay seller states: { see below } a) a X10 scale magnification ? & b) Operable even if the CRT dies ... c) Tek 576 amplifier tests

eBay advert: Possibly the eBay title does give it away, that the individual used a frame grabber of some sort & ... picked off both video & switch positions (possibly at the relay contacts ?) Tektroni

Epiphan: DVI2USB 3.0 and DVI2PCIe Duo video frame grabber modules. The Epiphan Capture tool software: https://www.epiphan.com/downloads/beta/EpiphanMacOSX-3.30.1.10.dmg Win 7 - 10 -32bit http://update