Latest threads in General Electronicsshow only best voted threads
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DMM recommendation for low noise DC experiment
Hi, Present setup: I have an experiment that requires high electrical shielding, that has an output (two pins) from an electrometer op-amp (INA116PA), that will go through a very small pin hole in the...
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14 years ago
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best way to measure current?
I have a coil. I want to accurately measure the amount of energy/current that it uses when pulsed with one single square wave. I know I can take a voltage and current measurement and multiply them...
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14 years ago
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where to buy soft iron rods
anyone know where I can buy soft iron rods in various sizes and shapes? Seems to be a nightmare to find anything. thanks.
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14 years ago
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DC from 2 candles?
You have probably seen this before, but I was just sent a video which features a guy taking two candles, about 4" dia. X 3" tall, and sticking a nail into the side of each one, then rubbing a magnet...
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14 years ago
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Help
Hello...first of all,sorry for my bad english...I need help. I am using a program Micro-cap, i have one sheme (BBB4 VLF reciever) , and i need to put that sheme in Micro-cap,but the problem is next:...
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14 years ago
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Flyback Transformer Shot?
Hi, I'm trying to get an old Loewe Colour TV going. I replaced a blown fuse, but now I get a corona discharge at the top of the flyback transformer where it shouldn't be. Any definitive opinions as to...
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14 years ago
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measuring picoamps.
[[Mod. note -- I have set followups to the poster. If you think there are more general physics-research-related issues, edit the followups line as appropriate.] -- jt]] Hi All, I want to measure...
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14 years ago
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TV antenna aimed out window
If you installed a UHF TV antenna in your attic, and the attic had a window which you could have the antenna aimed through toward the transmitter, would doing so afford any benefit to reception? Or...
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14 years ago
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magnetic flux question
can someone tell me if this is true or false? magnetic flux more easily travels through ferrite/soft iron then it does air. so a coil with an air core is less "magnetically conductive" then a coil...
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14 years ago
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Need MC68HC705 programmer
Hi, I need to program a MC68HC705 Processor. Anyone know where I can find a programmer? thanks Vince
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14 years ago
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Home made tv antenna?
cc&p: A friend lives in a somewhat remote area with regard to the tv broadcast signals. The nearest (2 UHF channels to the north) emanate from 40 miles away. All the rest are from around 65 mi....
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14 years ago
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How ,,induction’’ lamp works and absurdities of quantum hypothesis
How ,,induction=92=92 lamp works and absurdities of quantum hypothesis The induction lamp mechanism contradicts both classical electromagnetism and quantum theory. It is absolutely unimaginable for a...
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14 years ago
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Need electronic guru
I don't recall where I got it, but I have a device that plugs into a standard 3-prong outlet. It uses both outlets and has 6 outlets in the front. It also has a sticker on it that says EMI/RFI Filter....
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14 years ago
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A couple LED questions
1. Can a multi-colored LED (like the one here - colors 30 times per second? 2. Does anyone sell a multi-colored LED that is capable of displaying more than 256 colors?
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14 years ago
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take a break from work and play a cool flash game
take a break from work and play a cool flash game
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14 years ago
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