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Bruce, If you were building a replacement for one of these delay relays (hypothetically speaking, maybe for a 533A), would it be enough to have a timer that cut a relay in after a fixed time? Is that

I know folks have been talking about this for a while and it looks like someone actually did it. https://www.ebay.com/itm/303606230408?hash=item46b0576d88:g:U7kAAOSwghpe9UW- Description is a bit on

yeah, right. It is pretty warm in my lab in Calif. today -- I attempted a full normalization just now, it succeeded. Perhaps this is more proof I need to do the real work now from great posts such as

Dear all, I have received datasheets in PM's off the list and also links in this thread. Thank you all! Cheers Ulf Kylenfall

Just one more tidbit (before I decide if I'm going to dig deep into it). Enabling debug diagnostics and re-running the Frequency Normalization indicates this: “ERROR in MAIN DAC OFFSET: Cannot

The following files have been uploaded to the Files area of the [email protected] group. * /1953_Radios_Master_18th_Edition.pdf (

Ulf, I designed these into things about fifty years ago. The Amprite type numbers generally provided the data. For example a 117NO60 would indicate a 117-volt unit with normally-open contacts that

Sorry - I included a graphic of the pinout on my first reply, but I guess it was blocked. Here's the Web site that has it - along with a link to download a PDF.

For instance https://frank.pocnet.net/sheets/084/6/6NO45T.pdf . Albert

Dear forum, I have been trying to find datasheets for the Amperite time delay relays used in older Tek scopes. They are built in 9-pin tube glass envelopes. Looked in w140.com but maybe not long

1A4 is nice but needs some care, the large amount of wafer contacts need cleaning, and there's a lot of point-to-point wiring that can go bad. I even had a joint that was not soldered from the

I should have added that I would like to fix this one as it has the SA option Image of the Options/Firmware: https://ibb.co/M2vZfF5 THANK YOU! Ronan

Greetings Tekkies! I've got a 2712 SA -- it had been sitting in storage some years (unknown time). When I plugged it in, the traces & text was shifted below the bottom of the display area. I let it

All right enough of this bullshit Regards, Stephen Hanselman Datagate Systems, LLC

Amen! -- Michael Lynch Dardanelle, AR

Which Dallas module are you needing? Is it one of the ones that are just battery backed RAM or does it have a clock in it as well? If it is just RAM, how large is the RAM? BobH

Fred, The voltages on the secondaries of mine with the input set on the high range at 120V mains input: Pins 21 and 22- 6,3V Pins 12 and 13- 17,4V Pins 10 and 11- 18,6V Pins 13 and 15- 90V Pins 16,

Any more Climate Change denial or defense posting will result in the offenders being placed on moderation. Please keep politics etc. out of this group. David Partridge (Group Moderator)

Sorry, I know that this is OT but I have to add my 2 cents worth here. I live only a few miles from a beach on the Atlantic coast of Florida and I've been visiting this area or living here and/or

I recently got a 453A with a shorted power transformer. This short is at the primary side to earth. As the technical manual does not specify the secondary voltages, I am looking for someone who can