Latest threads in Electronics Designshow only best voted threads
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Things that go beep in the night.
Why do designers think that appliances with timer functions need to go B*E*E*E*E*P when the time expires? Having previously amputated the beeper from a pedestal fan that I'd inadvertently put into...
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10 months ago
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Prigozjin now in control of Russian nuclear weapons in Belarus?
Prigozjin now in control of Russian nuclear weapons in Belarus?
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10 months ago
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Army mutiny in Russia
of interesting. Putin isn't keeping his mercenaries happy, which is never a good approach. Whether a few peevish soldier can act as the nucleus of a larger up-rising is uncertain. It has happened, but...
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10 months ago
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Old discussion on SED, tracking original post
Hi I am looking into losses of a stepper motor, specifically hysteresis loss. I found more or less nothing on google. Then I tried the archived SED at google groups, and found a nice thread where John...
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10 months ago
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Other new kinds of parts--mezzanine packaging for fun and profit
Apropos of the '5 GHz beads' and 'new kinds of parts' threads, I'm considering doing new small parts of our own, based on magic GHz transistors, but house-trained enough to use in normal boards (with...
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10 months ago
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A/C box
There's a new window box air conditioner that's shaking up a stodgy industry. The story described its gizzards as a "variable speed inverting compressor". Your explication, please ...
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10 months ago
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new kind of parts
I was thinking of creating a few new parts in our schematic library, like BOX and BOX/1Lead and BOX/2Lead maybe. Each will be just a box on the schematic and not have a layout decal. The leads allow...
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10 months ago
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Virtual conference
Good morning. PowerUP EXPO - Virtual Conference & Exhibition PowerUP EXPO - Virtual Conference & Exhibition
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10 months ago
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soft start circuit
We have a giant 48 volt bus, and one plugin board (a jet engine alternator simulator) will have a hunky full-bridge dc/dc converter making +-60 volts. Startup makes hundreds-of-amps current pulses...
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10 months ago
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National Security vs. Golf Shirts
Do I even need to say anything about this? Golf shirts are Trmp's justification from ignoring federal orders to turn over boxes of classified documents. He had to look for his golf shirts! My...
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10 months ago
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OT: GOP Targets Researchers Who Study Disinformation Before 2024 Election
"On Capitol Hill and in the courts, Republican lawmakers and activists are mounting a sweeping legal campaign against universities, think tanks and private companies that study the spread of...
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10 months ago
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Gain Non-linearity Measurement Woes
Hello! I've recently been interested in measuring the gain non-linearity of various op-amps and composite op-amp configurations for use in integrating ADCs. Following the circuits and measurement...
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10 months ago
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countersinking a TO247 mosfet
Has anyone done this? I need to get the mounting screw height down. I guess I'll have to try it.
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10 months ago
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Question about capacitor usage
I ordered what turned out to be poor quality capacitors from...Amazon. 6 of the 12 failed. The failure was increased dissipation and reduced capacitance. These are 20kV capacitors failing at about...
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10 months ago
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Constant current to capacifor / rising voltage
Hi I want to get a steady rising voltage, which is simple as constant current. Say, like a saw tooth but only first rising part and really slow. (I do not want a timer, but a rising voltage) I was...
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10 months ago
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