Latest threads in Electronics Designshow only best voted threads
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Which ferrite permeability to use ?
Could some electronics guru please help ? The relative permability of ferri te depends on the material being used. kHz ? 1 MHz 4 16 ? 640 So, if I buy a a ferrite rod 1 cm in diameter, and 10.0 cm in...
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6 years ago
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OT: Ping Fred
Some good news for you, m8... -- This message may be freely reproduced without limit or charge only via the Usenet protocol. Reproduction in whole or part through other protocols, whether for profit...
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6 years ago
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A useful instrument to have
Talk about value for money: Have been having fun with this, bought it to measure temperature of some electronics hanging under my drone while it was hanging in the air, from a safe distance... But it...
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6 years ago
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Improved Diode Recovery Model
This had been discussed some time ago. There was a lot of bragging about being able to create a model, but nothing came of it. Fortunately, this guy had beaten us to the punch, and released this paper...
7
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6 years ago
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Saturday OT : Theodore Judah, engineer
Monument in Dutch Flat: One of his tunnels, near the crest and the China Wall: My company started at 320 Judah Street and we still occasionally ride the N Judah line I ski on Mt Judah, at Sugar Bowl,...
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6 years ago
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Batikhaxor
Nasty people...
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6 years ago
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MOSFET WTF
VDMOS nonlinear capacitance is modeled in terms of Vgd. Too bad a real MOSFET doesn't show a steplike change in Ciss as Vgd changes sign. (This is easily demonstrated with the gate charge test...
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6 years ago
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SSD/Flash card blows up harddisk or part of motherboard ?!
Hello, One of my harddisks just failed ? I am not sure yet, but it remains undetected, or partially damage to motherboard. I think what happened was as follows: 1. I may have had haste, I pushed a...
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6 years ago
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Anyone here done LLC converters?
Hi I am working on a LLC converter like this: Normally it?s running at 50% duty cycle with frequency control loop I am just wondering what happens if I ramp up the duty cycle from 0 to 50%? Won?t that...
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6 years ago
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I2C master
In theory, I2C handles multiple masters. Wonder if anyone is doing so, and if so, how hard was it to get up & running? -- A host is a host from coast to & no one will talk to a host that's...
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6 years ago
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Battery powered 'scopes
Hi, quick question: Does a battery powered 'scope have inputs that are isolated from each other? Differential inputs? And if so is there a cheaper model number to look at? TIA George H.
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6 years ago
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IC header cables
I've seen what I need: a 16 pin DIP header that plugs into an ordinary IC socket, but one with a ribbon cable coming off it. But now that I need to buy one, I can't find the right terms to define...
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6 years ago
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Neodymium magnets are made from Iron
The wonderful magic of neodymium magnets is marketed as a rare earth magnet using expensive Nd. But boron is also in it with 63% Iron If the Iron is not included, it will not rust of be magnetic. It...
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6 years ago
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JRC
I should invest in JRC stock somehow; the more audio gear Asian manufacturers come out with the more of their 4558s they buy! Behringer alone probably buys 100 million a year...
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6 years ago
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(OT) How did those old gas station bells work? (2023 Update)
Back in the 60s, when I was a kid, I remember that most gas stations had a rubber hose (about the same size as an air compressor hose), that laid across the driveway, by the gas pumps. When a car...
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6 years ago
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