Latest threads in Electronics Designshow only best voted threads

Subject Author Posted Replies
 
really stupid
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com
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Long inductor configuration.
Let's say you had to fit an inductor into a steel tube, lots of current and as many millihenries as you can muster. You are constrained to have two choices: Multiple toroidal inductors in series, or a...
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13
 
OT: More Madness in Germany
Bill Sloman's favourite Socialist utopias, Sweden and Germany, which he's so frequently inclined to hold up as model societies, continue to degenerate under onslaught of lunatic Left-wing propaganda....
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Some mathematical analysis
...And another cute little calculator. Working code included! Tim -- Seven Transistor Labs, LLC Electrical Engineering Consultation and Contract Design Website:
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36
 
revolutionary glimpse of quantum reality
Hi, cheers, Jamie
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1
 
Thermophotovoltaic could be the biggest revolution in cheap energy ever
Hi, Thermophotovoltaic's are being actively developed to directly convert heat into electrical current: If this is developed successfully it will revolutionize energy more than anything else as it can...
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1
 
latest tech fad
There have been decades of silly over-funded tech fads. Around here, the latest are drones, already oversubscribed, and now cubesats. We were just talking about cubesats last week, and today's SF...
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AVR w/ asynchronous counter?
Hi all, I'd like to make a very simple frequency counter (should be single chip ideally), let's say to max 25 MHz more or less, 6 digits resolution. A PIC microcontroller, using an internal counter...
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11
 
OT: Neil Armstrong trivia
When Neil Armstrong set foot on the Moon, he said: "One small step for a man, one giant leap for mankind" But when he got back into the lander he said: "Good luck Mr.Gorsky!". It was thought Mr.Gorsky...
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2
 
E55 Ferrite transformer and Litz wire
I am making a transformer with Epcos E55 cores of N27 ferrite. The primary will have four windings each rated for 12-15 VRMS at 50-70 kHz. I am hoping to get up to 1500 watts, so the primary windings...
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27
 
OT: Sloman's Socialist Utopia
Hell-hole more like: Coming soon to a town near you, in all probability.
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5
 
ring oscillator
I've never really understood ring oscillators, and I still don't. Startup is interesting. After the power supply comes up, the stages are identical, fully symmetric, and all the nodes hang at +2...
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36
 
Newsgroup for discussing PM motor design
Hi I am trying to understand the design method and variables in a PM motor design, specifically iteration design on airgaps and outer dimensions to optimizer the design without compromising ripple...
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1
 
burrs
These, in a Dremel, are great for cutting copper patterns into copperclad FR4.
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30
 
pressure cooker
I had to hang around home a little longer than usual. There's a Goodwill dropoff place across the street from work, and someone left an old pressure cooker outside while the place was closed...
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