Dear friends, after several years I participate again in this forum about tek instruments. It's been several years since I posted here the last time. This was referring to the well-known scope 2465B.

These just keep turning up in places I didn't expect, so they are now added to the stuff day page here: https://www.sphere.bc.ca/test/stuffday.html#tekfans I was also able to identify 465B and 2205 kn

Hello again: The continuing saga ... (see my pervious posts re CTT and vet nonlin) 1/ New U400 channel switch 155-0236-00 has fixed the CH1, 2 nonlinearity. 2/ Chuck mentioned that the CTT test fails

Steven here, New to this Group, but not new to Tektronix, or various repairs. I have and love my working Sony/Tek 335, and Sony/Tek 336 small Oscopes, may they show traces forever! I also have (4) not

Hi All, It bought a Type 284 Pulse Gen off Ebay a few weeks ago. I had planned to get it up and running so I could tune up my 5S14N sampler, which will help me fix a TG506's 1ns issue; when all of a s

Thank you one and all for your suggestions on removing the potting. Your suggestions fell into two general categories: 1) Nasty chemicals which I decided had to be avoided at all costs based on your a

Few things are as frustrating as when the vertical knob on a Tek scope is damaged, by cleaning (hah, you didn't know the printing washed right off, did you?) or mechanical wear or other damage. Many d

Hi Dana, The Rockland Instruments 7530A and 7530B Spectrum Analyzer plugins for Tek 7000 scopes are outstanding, and unique, Spectrum Analyzers. In the mid-1970s Rockland Instruments was a small compa

Hello everybody, I have followed this forum for a couple of months. Seems to be full of information. I have just re-capped 7603 mainframe successfully. Both vertical slots basically work (tested with

The 6DJ8 is a 6-volt version of the very expensive 8416. I assume a mod as simple as adding the appropriate resistor to the heaters. Has anyone done this before? -- Respectfully, Cliff White, W5CNW w5

Hello, sorting some of my plug-ins in very different condition I have come across the following "almost twins": 1. A well known CA plug-in, in working order, has always been a good work horse with my

Hi all, I recently got myself an SG503 Leveled Sine Wave generator for a good price and I am currently repairing it back to operational condition. I found a few components in the oscillator section we

?Does anyone know a fix for the question marks that keep being randomly inserted in my posts? <--- That one is intentional :) Dave Wise Safari under MacOS

Long shot here... does anyone have a case that fits a Tek 114 pulse generator? I got the chassis many years ago with a missing power transformer. Rigged up two transformers (the smaller one is for the

It didn't help. Sorry group, I guess from now on I'll have unintended question marks here and there. Bear with me. Dave Wise ________________________________ Sent: Monday, February 22, 2021 1:55 PM To

I just want to mention again that all the issues raised with regard to module extenders are important, and no matter which route you go, the result is always a bit sub-optimal, and awkward on the benc

Hi folks I´m looking tunnel diode in curve tracer, I don´t understand because the retrace, jumping lines are straight and no in cross pattern https://w140.com/tekwiki/wiki/Russian_tunnel_diodes#/media

I'd appreciate the enlightenment why somebody dished out >$500 for a PG506: https://www.ebay.co.uk/itm/Tektronix-PG-506-Calibration-Generator-/224356816953 A few months ago I was the second highest bi

So, with all the Mainframe Tester PCB's being sent out recently (thanks Larry!), now is the time for a construction thread for all the questions and info and notes etc on putting this together. As a r

I managed to understand the working and schematics of the 7854's digital section since I last reported this issue, and fixed the problem. For posterity and for the benefit of anyone who is trying to t