Latest threads in Electronics Designshow only best voted threads
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Semi-OT: New "White Van Speaker Scam" has evolved for the 21st century
Looks like a nice high-end surround system by a reputable mfgr, the web site is well put-together: There are glowing reviews promoted at the top of the Google results: Links to units for sale on eBay...
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4 years ago
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Online Dictionaries Suck
I was reading about the new coronavirus and the article talked about homolo gues in the context of the RNA coding for several proteins which have no kn own "homologues". I tried looking up the word to...
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4 years ago
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Bonus for engineers, is that done?
Let?s say you?re a standard paid engineer Let?s say you put in an extraordinarily effort and saves your compa ny +20 million dollars per year A sales guy would be getting an enormous bonus, but are...
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4 years ago
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vehicle battery supercapacitor kit ideas
Hi, I have installed and tested a supercap on a V8 engine as an experiment to avoid buying a new lead acid battery: Here is the supercap I used: (16V-83F) I soldered ring terminals to it and bolted it...
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4 years ago
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OT All our mice are broken
This might be my favorite science podcast of the decade. It's very slow getting started... gets going about 38 minutes in... Science story summary: Bret W. hears about telemere's, (counters at the...
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4 years ago
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28 | |
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Super low power isolated MOSFET driver
Hi, I need to slowly drive a high-voltage high-side MOSFET in a 5kV isolated setup. This use case reminds an electronic fuse: the MOSFET is expected to be almost always ON, but the driver needs to...
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4 years ago
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transformer K in LT Spice
I recall seeing, somewhere, that LT Spice may handle a transformer with K=1 different from one where K
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4 years ago
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available toroids
I've been looking for a toroid with a cross section area (one side) of probably 2 or 3 square centimeters and an id of about 10 or 12 mm. The intended inductor is about 14 micro henries and will...
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4 years ago
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From the archives: a wind chill meter
The wind chill tonight is lovely! Gusting to 50 mph at 22F to begin with. Here's a digital wind chill calculator, no software here: "PROM Converts Weather Data for Wind-Chill Index Display,...
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4 years ago
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Microsoft - Carbon negative by 2030?
On my drive home, I heard a quick piece on the radio about Microsoft claiming to be on-track to "Carbon negative" by 2030. And they're going to spend a Billion dollars to get there. (Wow, a whole...
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4 years ago
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Nanovna ...has anyone tried it?
Looks like you can get a network analyzer to 1 GHz for less than $100. Amazon sells them for 75 ish. Reviews look good. About 40 db of range. Has anyone tried one yet? Pretty amazing if true....and I...
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4 years ago
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PCI-Z scan shows firewire 1394 on winfast NF4SK8AA motherboard ? WTF ?
The firewire thing looks suspicious to me, is PCI-Z also detecting it wrong ? The motherboard manual of winfast NF4SK8AA-manual-En-V1.0.pdf.zip mentions nothing about firewire (ieee 1394) ? PCI-Z...
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4 years ago
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PCI scanning tool ? Or chipset scanning tool ?
You happen to know any good tools to scan PCI hardware/bridges/chips ?!? And also chipset scanning tool ? Window 7 detection is probably wrong and I need to figure out in what part it goes wrong so...
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4 years ago
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Windows 7 x64 Ultimate edition hangs during PCI to PCI bridge driver installation on Winfast Motherboard: NF4SK8AA
Windows 7 x64 Ultimate edition hangs during PCI to PCI bridge driver installation on Winfast Motherboard: NF4SK8AA There used to be a work-around solution for this, it involved disabling a certain...
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4 years ago
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fast AC coupling
I have a fast (10s of ps edges) pulse that I want to AC couple. The bias on the source side will be 15 volts, and the load is 50 ohms to ground. I need at least 1 uF to minimized droop, preferably...
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4 years ago
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