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I use an Extech LCR200 for in-circuit testing. It computes the overall impedance at your specified frequency. Just make sure you COMPLETELY discharge the capacitors using a 25K high wattage power

Everything you ever wanted to know about ESR and various designs: http://kripton2035.free.fr/esr-repository.html I built one of those designs and it was very helpful. There's also an ESR adapter for

Hello again, My main thread is " 2712 SA with display (and normalization) issues". Due to the large number of electrolytic caps this SA has, I wonder if anyone can recommend a (not too costly)

Thank you! Ronan

Both my PS 503A modules have clip-in side panels. And as to the side panels being perforated or not, my assumption for which ones are perforated and which are not is it is heat-related, but this is

I have a small collection of TM500 plug-ins, of which these have these latches: PG506 1 latch missing TG501 SG503 Both latches missing FG503 PS503A I agree with Dan on the part-numbers, which are also

You can use Python scripts to generate the Kicad footprints for the PCB edge connectors. I've done it for my TM500/5000 and 7000 series extender projects. https://github.com/anotherlin/tek_tm_ext

The trick to gluing the two halves together, if that is necessary, is avoiding the adhesive binding against the side panel itself. This leaves little surface area to bond between the two halves.

Jeff, PG506 has them on at least some examples. These are used only on plug-ins that include the rear support frame. I will need to look as I think I have a couple of others which have the same side

Which one is Q510? I see 2 Q500s but no Q510. Of course it could just be me. Vince.

I have uploaded the schematic that I have drawn up in Kicad in the files section. Given the new information for Q500 and Q510 I think I will need a different part in CR511. I need to figure out how to

The following files have been uploaded to the Files area of the [email protected] group. * /Tektronix 7854 Test Card PCB files/7854 Test Card Preliminary Schematic.pdf (

Hmmm... Silly me, at a glance I always thought these were just good old fashioned Dzus fasteners, but that shows how little I know about Tek's passion to custom build everything. :-) Keith

On Tue, Jul 20, 2021 at 02:13 PM, <Zentronics42@...> wrote When the design is checked and tested If there Eric, I am certainly interested the boards as well. Thanks, Shaun M.

By latched cover, do you meant just the blank cover?? I have two of them, used for improving airflow and keeping debris and fingers out of empty compartments. -Dave

The latch part numbers should be 105-0932-00 and 214-3364-00. They are described in great detail in the Mechanical Common Design Parts Catalog from November 1988. dan

I am interested. Thanks!

Before we start trying to manufacture a replacement (which I think is a fine idea, especially in this new age of 3D printing) I'm wondering if there is a Tek part number for these? I have the cover,

Dave, I suspect that all three of the tips I have are worn out. I discovered two tips, still in their bags, in a plastic "parts deresser" (plastic drawers for electronic parts, cheap a Radio Shack,

Any chance there is high rez photos of a production analog test board? I have only seen the scan in the manual and I have some questions about layout and locations. Like of the BNC connector. I can