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cheap fast logic level shifter

I'm designing the PPG, a Pretty Good Pulse Generator. I want 5 volt outputs and the FPGA makes 3.3, so I'll run it thro...
5 comments posted 9mos
posted by jl
5 comments posted 9mos posted by jl

Re: Missing dimension?

On Thu, 27 Nov 2025 06:58:59 -0700, Don Y snipped-for-privacy@foo.>I can't seem to find anything that dimensions the so...
4 comments posted 9mos
posted by legg
4 comments posted 9mos posted by legg

kids, math

https://www.theargumentmag.com/p/when-grades-stop-meaning-anything I think that if kids can't actuallly do basic math,...
91 comments posted 10mos
posted by jl
91 comments posted 10mos posted by jl

MMIC filter

https://www.analog.com/en/products/admv8809.html Slick. John Larkin Highland Tech Glen Canyon Design Center Lunatic Frin...
76 comments posted 10mos
posted by jl
76 comments posted 10mos posted by jl

Instrument condensate pump

These tend to be mains powered with an internal float switch to engage the pump. A separate float switch provides a vol...
2 comments posted 10mos
posted by blockedofcourse
2 comments posted 10mos posted by blockedofcourse

D44C9 transistor

I don't suppose anybody has any? It's for a computer museum. John Larkin Highland Tech Glen Canyon Design Center Lunatic...
5 comments posted 10mos
posted by jl
5 comments posted 10mos posted by jl

RF tools

https://www.microwavejournal.com/topics/3909-design-tools John Larkin Highland Tech Glen Canyon Design Center Lunatic Fr...
1 comments posted 10mos
posted by jl
1 comments posted 10mos posted by jl

Useful toy

This was of some invaluable use to me, today: No idea what its total capabilities are (and no idea to learn about the t...
1 comments posted 10mos
posted by blockedofcourse
1 comments posted 10mos posted by blockedofcourse

"Imaging" the sky

Particularly, cloud cover. How can I quantify the extent and "density" (opacity) of cloud cover? And, to make it even mo...
9 comments posted 10mos
posted by blockedofcourse
9 comments posted 10mos posted by blockedofcourse

the well-dressed engineer

The 1960's HP engineer skinny tie look is back! https://seekatesew.com/wp-content/uploads/2012/03/patternandtutorial-1....
10 comments posted 10mos
posted by jl
10 comments posted 10mos posted by jl