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Re: OT: Lane filtering

> I find this unnerving.  Mainly because you don't EXPECT people in > those places! > > How widespread is this, elsewhe...
7 comments posted 8mos
posted by user
7 comments posted 8mos posted by user

fine-pitch ribbon cable TDR impedance

The usual 3M stuff (50 mil wire pitch) measures about 110 ohms, running gnd-sig-gnd. But the 25 mil pitch cable measure...
1 comments posted 8mos
posted by jl
1 comments posted 8mos posted by jl

Musk? rotfl

https://www.muskhater.com/post/top-ten-elon-lies
37 comments posted 8mos
posted by user2039
37 comments posted 8mos posted by user2039

I have proof that Musk listened me :-)

I have proof that Elon Musk listened to me. He suspended my account on X for now or forever because of this :-) When on...
8 comments posted 8mos
posted by user2039
8 comments posted 8mos posted by user2039

IC aging

I'm curious about lifetime of IC's from the 1980's. Has there been any published work on degradation of stored IC's of...
3 comments posted 8mos
posted by wb8foz
3 comments posted 8mos posted by wb8foz

Potting compound

Something optically clear, temperature range of -40C to +60C (70C would better) that can tolerate daily changes of ~30C...
6 comments posted 8mos
posted by blockedofcourse
6 comments posted 8mos posted by blockedofcourse

Why the iPhone 16 Should Scare You Shitless!

The fan boys think it's great because it has a cool camera... https://www.youtube.com/watch?v=_c8UrgGG3NA
2 comments posted 8mos
posted by PesonOf
2 comments posted 8mos posted by PesonOf

Blown Resistor?

I posted this for opinions on S.E.R so apologies to those like Jeff who frequent both groups. SED's got a wider readers...
5 comments posted 8mos
posted by cd6699
5 comments posted 8mos posted by cd6699

Action reaction princcipe violation in uhf

Only by experimentally verifying by oneself the violability of Newton's action and reaction principle can one change th...
28 comments posted 8mos
posted by user2039
28 comments posted 8mos posted by user2039

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 8mos
posted by jl
5 comments posted 8mos 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 8mos
posted by legg
4 comments posted 8mos 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 8mos
posted by jl
91 comments posted 8mos 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 8mos
posted by jl
76 comments posted 8mos 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 8mos
posted by blockedofcourse
2 comments posted 8mos posted by blockedofcourse