Latest threads in Electronics Designshow only best voted threads
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photoelectric experiment idea holding frequency steady and varying intensity
Hi, I was just wondering if this experiment has been done, for the photoelectric effect, the light source would be of sufficient frequency to cause one photoelectron per second on average (weak light...
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9 years ago
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Timer Question
Anyone make an off-the-shelf timer that I can trigger and it'll run for X-hours then operate a relay? Or do I have to roll my own? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations |...
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9 years ago
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IC design Guru opinion request
Hi Jim and others, Just a question about RC oscillators built on chip silicon. If I had 2 of them - independent except for same voltage and same bit of silicon, by how much would they change relative...
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9 years ago
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Interesting picture
Laser beam reflected from the moon while in eclipse. "I encourage you to check out this stunning photo taken by Dan Long capturing our recent laser ranging efforts during the April 15 lunar eclipse....
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9 years ago
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OT: Recent Politics of the Absurd
1. Trumpeted shutdown of coal power plants to "stop global warming." But wait, the coal will be sold to indonesia for burning there. This will trash a big part of the US economy. Coincidentally,...
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9 years ago
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Capacitor + inductor filter - please check
I'm learning how you use complex numbers to model reactance, and trying out a few examples. So if I string a capacitor between the input and output, and put an inductor between the output and the...
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9 years ago
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Re: TPM, Microsoft, Intel the most retarded thing I have ever seen on the internet !
--- So you advocate sharing your battle plans with your enemies? John Fields
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9 years ago
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Graphic Design Company in Chennai
Postlor Interactive is the best Graphic Design Company in Chennai, India specializing in Brochure design, Digital Photography, Flimmaking, 2d 3d animation.
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9 years ago
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water-proof conformal coatings?
I have some IC's exposed to moisture, and a conformal coating is in order. In my imagination, I'd like an adherent water-white 2-part silicone but I'll consider anything. This will be under fairly...
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9 years ago
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OT: Going Retro
I just ditched my Iphone and got a Rolodex. For $22 it comes with 500 cards. Maybe a PI getup of some sort, Raymond Chandler smart talk? A hat? I wonder how common the antique radios are. Maybe a...
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9 years ago
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Michelson-Morley experiment interpretation and relativity
Hi, I recently started watching (a couple minutes anyway) of "The Inexplicable Universe" starring Neil deGrasse Tyson, and near the beginning of the first video (on netflix), he is describing the...
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9 years ago
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Odd Breaker Situation...
Odd Breaker Situation... Changing out the cheapy light fixtures that came with the house, I turn the switch off, remove the old fixture, accidentally bump common (white) against frame (green) and...
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9 years ago
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I needed to remove some noise ontop of a digital
So I did this on the bench, still testing.. GND | - --- 10V | NPN + +------+ | --- | | 7 V digital +-+v -+---+ + .-----. | | ||-+ | G | | | ||
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9 years ago
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telephone options
Hi, We now have an AT&T landline for phone service and DSL. The DSL is about 1 MBPS and not very reliable; it gets flakey whenever it rains a lot. So, 21st Century, maybe I'll sign up with Comcast for...
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9 years ago
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TV reception
I use an RCA HDTV antenna. Sometimes I get electronic static. It is usually with stations just outside of the range of the station. But it also occurs with stations which are withing range. Would it...
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9 years ago
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