Hello all, I am new to the forum and new to oscilloscopes. I am trying to fix a couple issues on my model 547, which seem to be centered around transistors. I don’t know anything about transistors and

Hello Folks! Went to use my 1502 TDR, wouldnt light up. I had built a battery cable for a 12 Volt lead acid external battery, so I charged the 12 V battery up and got it working. I remembered the Batt

I forwarded your reply to the more appropriate topic subject line I started.

Does anyone know what the latest version of the 11403A Executive firmware is? Was version 3.6 the final one? I'm pretty sure these two are the latest firmware revisions for their parts of the 11401A:

Thought I should share this. The owner is "open to offers" Maybe someone is willing to take a chance and make an offer on the Tek boxes, I dunno I have no connection whatsoever to this venture. EEV Bl

I have a Tek 284 that I am working on what is mostly working there is just some issues with the pulser output of course. I finally worked up the nerve tonight to test the Diode it has been on the shel

Have you guys seen this? Looks sort of like a wannabe 577 knock off. This looks like a new offering, not one of those Chinese made Tek licensed things that were being discussed a while back here on th

I saw a similar ratio in small company chip design in the early 90's. One woman circuit design engineer that was ex TI in a group of ten. When I was looking for work locally, not wanting to move in th

Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the TekScopes@groups.io group. Uploaded By: Juri Ghisio <yurighisio@...> Ch

Hi all, I recently acquired a rather nice shape 184 for the princely sum of $70. After some good burn in and exercising the controls following by a few adjustments, it ticks along perfectly except for

Does anyone have the schematic for the power supply of the 4041 DDU? (GPIB Controller)

from Tim P (UK) Sorry if this is more 'Electronics-101' than 'TekScopes', but I'm curious. I sometimes find when checking transistors (on a Peak DCA55) that the Beta is outside the range specified in

Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the TekScopes@groups.io group. /d34p6-14.pdf · version 1 /d34p5.pdf · versi

My trusty 2465 seems to have developed a trace focus issue. With the focus knob fully ccw I get a just about usable trace (but it honestly looks more like a cossor scope I used to own than the sharp c

My 2465BDM has a GPIB option. I'll never use it; all my other instruments either have no external connection to the world (my computer) or use ethernet. Relative to heat and energy consumption would i

In a recent post the 7A29 was recommended as a much better plugin that the 7A19 which apparently has a poor reputation among members of TekScopes. I don't disagree with that assessment. But if you kno

Hello. I am new to this group, but am very interested in the discussions. As a hobby, I have restored some Tek 465 and 475 scopes. My latest 475A has a bad low voltage transformer. It plows the main f

DSOs (digital oscilloscopes) offer a great many advantages over their analog equivalents but as they say, “There’s no such thing as a free lunch.” Digital scopes sample, digitize, and store waveforms

from Tim P (UK) I read somewhere (can't find it now ) that there is a mod to enable a CA plugin to use the A / B alternate sweep feature of the 547 scope. Anyone know how it was done? Hakan ? (I looke

A few days ago I approved someone who wanted to join TekScopes. Fortunately one of our members alerted me that he recognized the email ID. The person (or group) using that email ID was joining other g