Electronics Design

Re: Fracking wastewater has 40% of US need for lithium

> Fracking wastewater has 'shocking' amount of clean-energy mineral lithium > 40% of US need for lithium could be cover...

2 comments posted 2yrs

posted by jeroen

2 comments posted 2yrs posted by jeroen

Re: How the ICC case against Israeli leaders was made possible

On Thu, 30 May 2024 10:14:38 -0400, Ubiquitous snipped-for-privacy@polaris.net wrote: > >Antisemitsm. https://www.jewis...

0 comments posted 2yrs

posted by jl

0 comments posted 2yrs posted by jl

Re: A Bi-CMOS electronic photonic integrated circuit quantum light detector

> World's smallest quantum light detector on a silicon chip > https://www.sciencedaily.com/releases/2024/05/24051716411...

3 comments posted 2yrs

posted by jeroen

3 comments posted 2yrs posted by jeroen

Distorted Sine Wave

Gentlemen, Whilst fault-finding on my HP 8566B spectrum analyzer, I've found the 10Mhz reference oscillator is generati...

67 comments posted 2yrs

posted by cd999666

67 comments posted 2yrs posted by cd999666

Optocoupler datasheets

Optocoupler datasheets seem like kind of a mess, I try not to use them too often in situations where there's any kind o...

21 comments posted 2yrs

posted by user

21 comments posted 2yrs posted by user

UPS lifespans

/Neglecting battery issues/, any observations on the typical lifespan of the electronics in modest sized (1500VA, sine,...

3 comments posted 2yrs

posted by blockedofcourse

3 comments posted 2yrs posted by blockedofcourse

Feedthough/via that straddles (i.e., is bisected by) the cut edge of

I can't see any way to do this, reliably. So, imagine a house won't let it through DRCs, regardless of diameter or weig...

8 comments posted 2yrs

posted by blockedofcourse

8 comments posted 2yrs posted by blockedofcourse

Yttrium iron garnet

John Larkin posted a schematic that included a featureless box that he described as an ECL voltage controlled oscillato...

16 comments posted 2yrs

posted by bill.sloman

16 comments posted 2yrs posted by bill.sloman

Re: OT: 'Peer Reviewed' Papers - a new scam!

>> What's to understand? The rulers of every totalitarian dump that ever >> was figured they were doing just that and/o...

6 comments posted 2yrs

posted by user

6 comments posted 2yrs posted by user

Small magnetic tunable filter for 6G and beyond

To 6G and beyond: Engineers unlock the next generation of wireless communications: https://www.sciencedaily.com/release...

9 comments posted 2yrs

posted by alien

9 comments posted 2yrs posted by alien

dBs

I'm feeling cognitively-declined today, probably as a consequence of my vast age and general ignorance of matters mathe...

9 comments posted 2yrs

posted by cd999666

9 comments posted 2yrs posted by cd999666

An actual circuit

I was having a conversation with a younger person who seemed to be of the view that to make an LED flash you would need...

31 comments posted 2yrs

posted by invalid

31 comments posted 2yrs posted by invalid

plants, obviously OT

If anyone likes plants, read Finding The Mother Tree and The Light Eaters. Both address plant communications, intellige...

2 comments posted 2yrs

posted by jl

2 comments posted 2yrs posted by jl

Strings that can vibrate forever (almost)

Strings that can vibrate forever (kind of) https://www.sciencedaily.com/releases/2024/05/240522130402.htmSource: Delft...

1 comments posted 2yrs

posted by alien

1 comments posted 2yrs posted by alien

nice board

Or IC, or whatever it is. https://allinonecomponents.com/assets/img/circuits.jpg

12 comments posted 2yrs

posted by jl

12 comments posted 2yrs posted by jl