#transistors — Public Fediverse posts

Squeeze More Juice Out of a Dead Battery!

https://fed.brid.gy/r/https://www.wired.com/story/squeeze-more-juice-out-of-a-dead-battery/

We're really getting close to the limit of what we can do with silicon. Sub-nanometer transistors... You can barely fit a sugar molecule through that.

link: https://ieeexplore.ieee.org/document/11074866

#Transistors #Chips #Lithography

Samsung Demonstrates 3D Stacked FETs with Triple Nanosheet Channels at 42nm

https://semiconductor.samsung.com/news-events/tech-blog/from-gaa-to-3d-stacked-fet-expanding-the-transistor-into-the-third-dimension/

#HackerNews #Samsung #3D #FETs #Nanosheet #Technology #Transistors #Semiconductor

#Language of #Mathematics : Medium

#Women’s better #Memories may delay #Alzheimer’s #Diagnosis by years : New Sci

#Transistors on a roll: #3DCircuits built from #Stacks of #Flexible #Membranes ($) : Nature

Latest #KnowledgeLinks

https://knowledgezone.co.in/resources/bookmarks

Every opportunity needs to be squeezed like we’re making juice in a factory.

#startup #business #companywebsite #customeracquisition #customerbehavior #chips #transistors #3ddevices

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Sign-up link: https://Newsletter.AndrewLipski.com/

Short observations about Websites, Apps, Digital Communication, sometimes short Tech News comments.

Mostly emails under 2 min. read, usually once a week.

#mwgic #2026 #Computing #Transistors #Chips #Quantum #TheNextBigThing

https://gizmodo.com/new-quantum-processing-technology-points-to-life-after-the-transistor-maybe-2000759222

🎩✨ Ah, the complex machine that is this article—proclaiming the genius of a semi-obscure Soviet hero while simultaneously lauding the #transistors that power our TikTok addiction. 🤔🤖 Never mind, dear reader, that the piece takes longer to read than the average person's attention span can endure in our digital age. 📱📉
https://worksinprogress.co/issue/the-worlds-most-complex-machine/ #SovietHero #DigitalAge #AttentionSpan #TikTokCulture #HackerNews #ngated

🚬 Breaking news: a #USB-C port on a #disposable vape! 😱 John Graham-Cumming has cracked the case of #excessive #tech #in trash, just in time to save humanity from... convenience? 🤖 Next up, the shocking discovery of #transistors in #toasters. 🍞🔍
https://blog.jgc.org/2026/01/theres-ridiculous-amount-of-tech-in.html #Vape #Convenience #HackerNews #ngated

#Transistors—the bedrock of every smartphone, computer, satellite, and artificial-intelligence platform—did not emerge from a business plan or product pitch. By tracing their history, Julia R. Greer argues for the importance of investing in basic science.

What might the next transistor look like? And how do we make it happen?

Learn more: https://www.technologyreview.com/2025/09/08/1123214/opinion-basic-science-research-funding/
#technews #funding #computing #science

P-type semiconductor? N-type? NPN? #CMOS ? #silicon is dope!

And you can build and simulate #transistors yourself: https://app.siliwiz.com/?preset=nmos

I bought Last Call BBS from Zachtronics to learn, but it's a game, simplified to the point where capacitors discharge instantly.

Meanwhile, siliwiz is used as a tutorial for designers of actual circuits in Tiny Tapeout:

https://tinytapeout.com/siliwiz/resistors/

Brb, redoing game challenges in simulator.

#electronics #circuits #chip #cad

#Transistors. How do they work?

I need to make a switch which has LOTS of resistance when off, but *little* when on. How can I thread that needle?

MOSFETs have great on resistance, but they leak a bit much current. I need <1µA.

Bipolars don't leak a lot, but they also don't conduct enough.

Both parameters eat into the same property of my circuit from different directions.

HELP!

#electronics #askfedi #mosfet

Educational Transistor Set! #TindieBlog #Transistors #Logic #Computation #FlipFlops #EducationalKit #TTL #RTL
https://blog.tindie.com/2025/11/educational-transistor-set/

Supersized Calculator Brings the Whole Intel 4000 Gang Together https://hackaday.com/2025/11/16/supersized-calculator-brings-the-whole-intel-4000-gang-together/ #Retrocomputing #discretecpu #transistors #intel4004

I can safely say that it's been a while since #DigiKey sold #resistors in pre-packed bags of 5 with included card labels. As their own brand. Made in Taiwan.

Or called themselves "Digi-Key Corporation".

More seriously, I found a bag of #components left over from my senior year of school, when we did our big final project. Mine was a computer-controlled slot machine. Components were seriously expensive then; I organized a group buy with 4 or 5 of my classmates through "Digi-Key", partly because they were cheaper than the local suppliers (see previous story about the "Two Weeks Ten Bucks" guys), but also because we could get quantity price breaks on stuff that was common between our #projects, like the 1 kΩ resistors. IIRC, the resistors cost about $0.30 each in the 5-packs, but the bag of 200 was *way* cheaper - about half that, I think.

These were ordered in 1997, so almost 30 years ago. In addition to #vintage resistors, I found ZTX549 PNP #transistors (still in stock at DigiKey today!), MJE2955T #PNP transistors (also still in stock!), 3 different brands of 741 #opamps, including made-in-Japan and made-in-Malaysia #NEC, TI ones from Taiwan and the Philippines, as well as #TI TL081CP and LM318P from Taiwan. Also a bunch of 74-series logic #chips and some weirder stuff, like a #Motorola MC14412, which is essentially a 0-600 bps (~baud) modem-in-a-chip.

So if you need some vintage components, hit me up 😉

#TexasInstruments #electronics #SupplyHouse #FoundAtHome

Identifying Fake Small-Signal Transistors https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/ #transistors #fakeparts #Parts

Identifying Fake Small-Signal Transistors - It’s rather amazing how many electronic components you can buy right now are not q... - https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/ #transistors #fakeparts #parts

Hmm, that's more than a few lifetimes of RF transistors. 2n2222's, NOS. Milspec. Originally for the Lockheed L1011. #transistors #electronics

Regardez ce qu'un collègue m'a amené aujourd'hui 😁
#electronics #transistors #radio #vintage

It's nice being able to find new old stock original semiconductors for projects you're trying to restore. Thankfully I didn't have to look very hard to find these.

#Transistors #Electronics #DIY #Restoration #EICO379Resto

Before I lost the job that I moved for, I had been planning to buy a decent LCD Oscilloscope, but that changed when I was let go.

Now I find myself needing an oscilloscope because I have to bias a bunch of JFET transistors.

#Electronics #Oscilloscope #JFET #Transistors

🎩✨ Behold, the Nuvistor: the "innovation" nobody asked for right before #transistors took over the world. This article waxes poetic about obsolete tech while desperately trying to make #valves sound relevant—spoiler alert: they weren't. 🦖📻
http://www.r-type.org/articles/art-150.htm #Nuvistor #ObsoleteTech #Innovation #RetroTech #HackerNews #ngated

So after figuring out which bits to remove, I set about building it. I first tried laying it out on a single one of my custom #protoboards I posted about before. It gets very dense, and would require cutting / splitting a whole lot more of the 6-hole #pad #strips than I really wanted to do. So I built it on two boards, using the same modular connection between them that I use for the rest of my effects boards.

Even the original Boss pedal used 2 separate boards, so I don't feel too badly about it.

Anyway... it took a while to fiddle with the layouts to get something I like, then document my parts placement, remove all the parts and start re-populating and #soldering them into place. But I got that done this evening.

I did a little meter #probing of the results to find any obvious missing connections or such, and fixed a couple. Then I plugged in my guitar, and ...

It #worked, perfectly, the first time. I believe that's the first time any of my effects have not required any #debugging at all. I'm #chuffed .

And it sounds *fantastic*.

The originally-called-for #transistors and #diodes are mostly #obsolete and hard to find. I dug through datasheets to find ones I thought would (a) be acceptable substitutes, and (b) I already had in my parts bins. Frankly, given the nature of the effect, I doubt the selections are too critical, but I'll include what I used for completeness, in case anyone else wants to make one of these.

#maker #components #substitute

4/x

This will be slightly #geeky, and probably only of interest to #electronics hobbyists and #guitar players. I happen to sit in the intersection of that particular #Venn diagram.

When I was a teenager, having only been playing guitar for a few years, I owned a guitar #effects pedal that went on to become legendary - the Boss HM-2 "Heavy Metal" #pedal. Its sound is still ubiquitous in metal.

I don't have it any more. I think I traded it for an analog chorus, which was a seriously expensive pedal back then. Although I have other #distortion effects, I've missed it a lot over the years.

Well, lots of hobbyists build their own effects. And the circuit schematics for many effects, particularly the classics, are available online. So like many others, I decided to build my own HM-2.

This image is the schematic for the #HM2. It's not the most complicated pedal, but it's a league above something like an Ibanez Tube Screamer. As far as active devices go, it's got 6 #opamps and 10 #transistors of various types, along with a bunch of diodes for multiple types and stages of clipping, and the usual jumble of capacitors and resistors. Oh, and four potentiometers.

1/x

#EffectPedal #HeavyMetal #pedals #metal #DIY #schematic #circuit #hobby #OperationalAmplifier #TubeScreamer

Modelling quantum thermal transistor technology:
#quantumphysics #thermodynamics #transistors #research #science
⚛️

https://phys.org/news/2025-05-quantum-circuits-diode-framework-thermal.html