Yesterday I picked up from eBay a Type 106 High Amplitude (120v into 50ohm), Fast Rise Square Wave Generator. I haven’t received it from Germany yet. I’m wondering whether I should keep the original l

I'm wrong, it is a Bourns pot. Found it out after a thorough research (= reading the back of the pot). Looking after more information about these pots I came across Bourn's Potentiometer Handbook. Int

The following post was initially in tek500 group; it seems that group is not as active as this one and I thought it may help if it's posted here (I see other posts for 500): Have an FG502 for while; r

Every so often, I get some intriguing test gear from inside places that make test gear. It's fascinating to see what they use themselves. I just overhauled and posted such an item, an HP K09-0982B, a

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

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