Electronics Design

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Two DVMs

The Keithley 2001 is obsolete, so our test department is moving on to a Keysight. They'll have to add a driver into our...
26 comments posted 2yrs
posted by jlarkin
26 comments posted 2yrs posted by jlarkin

IGNED!

...one day after defending his ABSURD decision not to sound the emergency sirens. How many people did this guy kill by...
5 comments posted 2yrs
posted by soar2morrow
5 comments posted 2yrs posted by soar2morrow

FLUX progress

I've been watching the progress of these guys... https://tinyurl.com/m3cnszx7 Somehow I have become a registered user w...
3 comments posted 2yrs
posted by jlarkin
3 comments posted 2yrs posted by jlarkin

Electrostatic emulsion separation [Bill Sloman]

Anyone is free to answer, I just wanted Bill look at it. Running tests on the 2"x2"x 34" glass vessel with aluminum tap...
7 comments posted 2yrs
posted by amdx62
7 comments posted 2yrs posted by amdx62

Spice is great!

While my sim is running, I can do all sorts of things. Grocery shop, prowl the web, take a nap. https://xkcd.com/303/ S...
26 comments posted 2yrs
posted by jlarkin
26 comments posted 2yrs posted by jlarkin

inkjet printing panels

We have a bunch of aluminum module end-panels that I want to add lettering to. Does anybody know of a good service comp...
3 comments posted 3yrs
posted by jlarkin
3 comments posted 3yrs posted by jlarkin

Resistor in DC supply line

Gentlemen, I refer you to this circuit fragment: https://disk.yandex.com/i/O-4WvVAgNjmNlg What's R30 supposed to achieve...
58 comments posted 3yrs
posted by cd
58 comments posted 3yrs posted by cd

keepalive

We have a mosfet closed-loop programmable current sink that works fine most of the time but behaves badly at startup fr...
9 comments posted 3yrs
posted by jlarkin
9 comments posted 3yrs posted by jlarkin

Laser communitions in space

Anyone hae any additional info? Excerpt from a Register article ( ) The Deep Space Optical Communications (DSOC) experi...
0 comments posted 3yrs
posted by dodo
0 comments posted 3yrs posted by dodo

filled vias?

Has anyone used filled vias? Epoxy? Copper? I need thermal conductivity, as in a D2PAK on one side of a board and a heat...
22 comments posted 3yrs
posted by jlarkin
22 comments posted 3yrs posted by jlarkin