Hi all, I spent some covid-time to clear up a collection of tubes I have in my basement, untouched for 25 years or so. Now I intent to analyse some of them with my 576 in some way... Only the 576 isn'

tek 576 curve tracer #B283924; the screen trace is intermittent when Display (Invert ) switch (467A) is in the released position. In the pressed position, the trace is normal (I am using it in the pre

The 475 has the 3-conductor BNC terminals on the front panel, to indicate the correct voltage/div when a compatible 10x probe is connected. Channel 1 on my 475 became very positional, by which I mean

For those looking around for an easy way to make TM500 compatible housings, here are a few thoughts: 1. Tek 5000 series Scope plug-ins have the EXACT same metalwork, and are perfect organ donors for y

Need to remove the horizontal control knob on my 576 so I can remove the board to get at the display selector board. One of the grubscrews undoes easily enough, but the other appears to have its hex s

This is a good question for TekScopes so I’m forwarding it on to the forum to see what they think Hi Sean, There shouldn’t be more than a few microamps of current for the zero step of a 2N3906. 100 mi

I feel like this has been discussed before, but I cannot find the thread now. Does anyone know of a solution for the 7104 readout not displaying except in "pulsed" mode when slaved to the gate (also w

Inspired by recent postings in this group, I've decided to describe my experience with a TDS3054 and a TDS3054B. These 'scopes have a published bandwidth of 500 MHz on all channels. The TDS3000-series

John, I do have a manual that contains a schematic for the 6106 (most probably from tekwiki). I do see the two inductors, but they don't look like part of a T-coil in this case. They certainly do have

T5330-P2 CRT same as T64, T533 heater checks good. I have had this for 20 plus years stored in my attic. Acquired at a meteorology auction where I worked, I never had a need. So open to offers ask $40

Hi all, more than a year ago, I initiated that discussion: https://groups.io/g/TekScopes/message/157693 about my 7854 with severe focus/intensity problem. Finally I got a replacement CRT guaranteed wo

Seems like a (very) reasonable price. I'm not the seller. https://www.ebay.ca/itm/26-190-16S-WPI-CONNECTOR-NEW-OLD-STOCK-DATE-CODED-1991/254147285421?hash=item3b2c5bd1ad:g:fUwAAOSwyuVdywtV

Hello-- I just finished spending a couple of enjoyable hours reading through this web site... https://emperoroftestequipment.weebly.com/ ...In which the author describes experience acquired while repa

The following files have been uploaded to the Files area of the TekScopes@groups.io group. /2021.01.31 - Tek 576 power supply failure mode.pdf By: Martin Description: Voltages in a faulty -100V and +1

I need a front cover for my trusty old Tek 485. Anyone have one? Thanks! Mike Harmon, WB0LDJ mharmon at att dot net

Greetings to all, I have an AM503 current amplifier and I want to buy a P6302 current probe, but I see that maybe now they are called A6302. Is there a difference or are they the same? Thanks for the

There have been a few threads on TM500 latch repairs. Depending on which specific problem you have, this idea might be of interest. I needed to replace/repair the latch on a TR502. The latch was of th

I have a dead 2782 spectrum analyzer. I had a wierd screen and was looking around the video stuff. When I tilted it on it's side and it shut off and won't power up anymore.

Hi, I recently adquire this unit I had a diplexder and WG so to be able to increase the 21GHz frequency but this unit does not go over the 21GHz limit. It does not appear to have any options but it do

I'm a new member, but have been an avid Tek scope user/collector/fixer ever since my extensive time using them as a former, now retired Bell Labs engineer. But my ability to fix has recently been chal