I decided to further test the ones I had pulled out of various pieces because of the leakage. I know they test as a diode. The round lead 0367 types with the oxidation on the leads close to the body t

I've had this 2225 for quite a while and it has always worked flawlessly. Then, yesterday, it was standing on the rear feet (screen upwards) and got knocked and it toppled and the handle struck a shel

I've just taken delivery of a very tidy example of the Tek 127 Preamplifier Power Supply. I've often wished that my 535A had more horizontal bays, and now it can have them. I note that it has selenium

Well, this thread just showed up on EEVBlog. This is exactly the kind of damage that I used to see happen to IC and to TE accessories that were stored in the old antistatic foam. <https://www.eevblog.

The following photos have been updated in the Sampling with 3S2 album of the TekScopes@groups.io group. GR oscillator display with Russian D42 replacement, 750 MHz unsmoothed By: Charles <charlesmorri

I received another patient...this time it's a 454 that is outwardly fine (actually it's in superb condition), but had a very serious HV fault. Apparently the previous user was using it and it started

Renée wrote on 3/21/2021 1:17 PM: > unfortunately I too have had the same experience. foam-lost a bunch of > microprocessors and assorted items that I thought were in safe place.... > and regarding Du

A Fluke counter I’ve been fixing up and adding homebuilt options to is missing the prescaler option. The vast majority of current chips seem to be binary, so, short of also dividing the reference cloc

Hi all, I just started to troubleshoot my PS5010. Symptoms are a missing negative output and an erratic display when I switch on the outputs with the on/off key. The supply starts up fine, 5V and plus

The following photos have been updated in the FG502 doesn't start at some specific settings album of the TekScopes@groups.io group. 1 By: durechenew@... The following photos have been updated in the F

durechenew@... added the album FG502 doesn't start at some specific settings

The following photos have been updated in the Sampling with 3S2 album of the TekScopes@groups.io group. Avalanche pulser breadboard 2. Output at 5 ns/div, 2 v/div. By: Charles <charlesmorris800@...>

If anyone's looking for one, there's a new listing for a 1S1 sampling plug-in. https://www.ebay.com/itm/Tektronix-Type-1S1-SAMPLING-UNIT/284211115843

The following photos have been uploaded to the 7A16A step response (with 7854) album of the TekScopes@groups.io group. 7A16A_2ns.jpg 7A16A_5ns.jpg 7A16A_20ns.jpg 7A16A_internal.jpg By: unclebanjoman <

The 7L5 manuals say the Dot Frequency should reset to 0.000 kHz at power on. There have been previous posts about this not happening, but no mention of a fix. I have personally seen two 7L5s, includin

I see some comments about changing existing GR874's in Tek gear for BNCs with some loss of performance. I think a better and certainly easier mechanical change is to female type N connectors, which ar

Hello gentlemen, My first post here, but I've been looking for information on this site for a long while. Some 8 years ago I bought A TDS544A with normal caps issue; that was solved (removed all old c

The manual has drilling details for a front panel. In addition there's a 3D printable front panel. Is it intended that the front panel should have three parts (metal back panel, 3D printed front panel

Good Day to the gang, there is a type 575 curve tracer for sale on eBay, Germany; item #133654878828. Buy price is 450€, open for offers. https://www.ebay.de/itm/Tektronix-575-Transistor-Curve-Tracer-

The final shipment of TM500 tester circuit board sets was delivered to UK a few days ago. Tracking showed one delivery to Spain still pending but upon inquiry it turns out that package was delivered m