I just picked up an A6302 current clamp in non-working condition and found many of the wires in the plug had broken off. It was easy enough to solder the wires but it looks like the cable is loose in

I have a bunch of AM503B modules here, all with dead and leaking batteries that I am in the process of replacing. It seems that according to the service manual, the only way to set calibration constan

I just uploaded an article on the MCP (MicroChannel Plate) first used by Tek in the 7104 CRT. Title: The MicroChannel Image Intensifier Author: Michael Lampton Periodical: Scientific American, Nov 198

There is an extremely effective do-it-yourself solution to the high prices on eBay for GHz probes like the P6056 and P6057. Douglas C. Smith describes how to make your own out of readily available (at

I made a deal to buy up the Tek spares stock of a closed service center in europe last month, in order to get some hard to find 155 and early 156 parts. I have gone through them, and will be posting t

Can someone here explain the purpose of the +55v source to this circuit? I'm am trying to see if I can power the vertical assembly on a bench. I have a very dysfunctional vertical assembly, and would

I've encountered a rather annoying issue when trying to use my 7S12 in tandem with other vertical and horizonal plugins in a 7934 mainframe. The dot blanking signal which drives the mainframe Z axis i

Greetings everyone, I have a question to ask you: with a Tektronix 492AP spectrum analyzer connected to the PC via the Prologix GP-IB to USB adapter and launching the HP 7470A emulator program on the

Hello guys! I got an oscilloscope from ebay. When I turned it on for the first time, I received a clear image with the inscription - Replace the battery -. Great, I thought, bought a battery and repla

Hi, four months ago really by chance I was able to add a Tek 575 to my little collection. As it has got serial # 1818 it is a pretty early one and the cabinet has a definitely different texture than l

I recently obtained a 7CT1N curve tracer plug-in to use in my (still non-functional) 7623A (or in my also non-functional 7603). I had planned to build a custom test fixture with multiple, paired socke

There's a guy listing a 453A scope which appears to be equipped with the CRT from a 453 (6 div vertical, not 8). The current ad is a relistng as it didn't sell last week. I contacted him before the au

I am not sure if these are useful in any Tek trigger circuits (I seem to recall the currents are usually lower) , but I came across 3 new factory sealed, tiny gold tunnel diodes, GE 1N3719. The data s

Hi, I'm a new member of this very interesting discussion group. I'm living in France and I have some old Tektronix devices. The last I got is a 575 curve tracer. It's in very good cosmetic condition b

https://www.ebay.ca/itm/DIODE-1N3717-ARCHER-RADIO-SHACK-NEW-NIP-GERMANIUM-TUNNEL-DIODE/154392154880?hash=item23f27d5300:g:WMsAAOSwCQVgX33U Wish I had a job right now and had some discretionary cash

Is it safe to remove or install an S-1 through S-6 sampling head from its plug-in without turning off the scope? There is nothing mentioned in the manuals for the various heads (or plugins, like my 3S

Hi. I'm looking for a bit of guidance here please. Since moving house a couple of years ago I am only just getting some test gear set up. I find I have 4 good genuine Tek probes to go with the 4 Tek s

from craigsList 03/30/21. Tektronix Oscilloscope 533 - $20 Location- Orange County, California. pickup only. "Vintage Oscilloscope from the 1960s. This was my dad’s when he was an engineer for the def

Got one used from Ebay, seems to work.except for the ID. Is that useful to cause me to return the probe? It would take forever and of course maybe the seller does not have one available. I guess is no

All the parts I ordered from Digikey arrived (bar the fuse holders) so I'm populating the PCBs. The two headers J3 and J4 on the switch PCB are asymmetric. Should the long side or the short side plug