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

Hi, I have several Tektronix scopes. My newest one is a TDS 684A, and I have posted about it before. I found it in a surplus place, and I had been wanting to pick it up for a long time. When I brought

One of my favorite scopes (the venerable 7603) had some intermittent issues with the on-screen readout for some time. Usually I could encourage it to work by pushing the plugin in firmly or applying a

HI All... Got a Tektronix 2215A. Channel 1 was bad, no signal coming through. Channel 2 fine. Found Q122 Jfet on channel 1 was a J210 part # and bad... already replaced a while back perhaps? should be

Hi Martin, DON'T TRY THIS WITH YOUR SC502: When I was 12 or 13 I got my first Volt Ohm Meter (VOM). I used it to measure every battery and my skin resistance and anything that I could find. Eventually

I have a 6 foot P6011 1X probe I do not need. It works fine and it is in good mechanical and cosmetic condition. For more info on this probe see https://w140.com/tekwiki/wiki/P6011 It has a ground lea

Hi Charles and Dave and Sean, The RATIO of the diameter of the INSIDE of the OUTER conductor to the OUTER diameter of the INSIDE conductor and the dielectric constant of the medium in between the cond

Hello all, The Panavise is sold. I appreciate the interest! GOD Bless and Thanks, rich!

Hi all, Just acquired via Ebay. Front panel dirty; no fuses blown; one 10 ohm NTC current limiter and two voltage limiting diodes in the PSU needed replacing, also a handful of SMD electrolytics on th

After searching the archives, I didn’t find the answer to my question. So here it is. I found these on Fleebay. It’s supposedly an SMB to BNC female adaptor. However, they don’t look like they’re gonn

I have a few surplus 119-0262-00 Crystals. They are adjustable for fine tuning through a screw hole on the top of the package. These 5MHz crystals are used in the 7D11, 7D14, and 7D15 plugins and poss

Hey all, I was wondering if anyone knows of any factory mods that were done on the Type 111? I have an example that has a significant divergence from the schematic in the manual, namely around the fix