Latest threads in Electronics Designshow only best voted threads
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"12V Only" FCAL drives
Hi, I was offered a couple of shelves (shelf's) of 500G drives (probably 16 per shelf?). But, they're all marked "12V only". I'm *guessing* this means they only draw power off the 12V supply (probably...
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9 years ago
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Group buy electronic complete for my robots project
Recently I am building a project for a robot. But I find it hard and expensive to connect all the parts. Now we hope we can group buy electronic components at this site .If you need robots circuit...
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9 years ago
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wanted: DC socket with pigtail, not 5.5x2.x
today we had a customer on the other side of the world plug a 12V supply into a microcontroller that was expecting 5v. bad stuff happened. We send some equipemnt with a 12V supply and some with a 5V...
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9 years ago
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Weird EM question
Suppose I have a hot cathode gas filled tube, argon or xenon or something. The tube is embedded in a solenoid such that the B field is orientated parallel to the axis of the cathode and anode. The B...
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9 years ago
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Re : Economy Myths
How to run the place into the ground. Seriously, look around you. Damnear every country is in debt. People say not to apply regular economics to macroeconomics, but look at the situation. And the same...
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9 years ago
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"Backpan" or "backplane"?
A tech writer is asking me "backplane" or "backpan"? The use is in describing PLCs and the PCB the function cards plug into. His technical source--an engineer of the PLC manufacturer--insists the term...
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9 years ago
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Transimpedance amplifier
Hi all, I have designed my first transimpedance amplifier and would love to get some feedback. Goal is to convert the current of a photomultiplier to a voltage of -3V to +3V. Note that the current...
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9 years ago
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From Speech Recognition to Speaker Recognition?
Please see this thread in the CMU Sphinx forum: TIA -Ramon
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9 years ago
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Recommedations for marking ICs with a dot
I need to mark plastic ICs with a dot after they've been programmed. Any recommendations for a quick-drying ink or paint pen? I haven't seen any that are specifically recommended for electronics. But...
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9 years ago
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Nokia shedding its equipment?
For the scavengers... I must admit I haven't read through the details yet but timing is short and I thought someone might be interested... Regards Werner Dahn (drroooling)
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9 years ago
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A robot to make PCBs prototypes at home
Hi, We would like to present you our new project: TwinTeeth a PCB mini-factory. It is a multi-functional robot designed to make printed circuit boards at h ome. Make PCBs prototypes at home is a...
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9 years ago
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OT: Camille rocks
-- John Larkin Highland Technology, Inc picosecond timing laser drivers and controllers jlarkin att highlandtechnology dott com
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9 years ago
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More bad caps
Hi, I've been given another batch of monitors to "re-cap". It's getting so that I can do this in my sleep. But, I'm noticing that many of the bad caps tend to be in *smaller* packages than the...
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9 years ago
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Delta-sigma class D
Say I have a delta-sigma modulator driving a class D power stage. Feedback is taken from the output of the power stage to an analog summing node prior to the delta sigma modulator. Does the...
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9 years ago
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Current Transformer Question
Suppose I have a current transformer where the primary current is half-wave rectified. In the ideal (Spice, natch ;-), nothing will show on the secondary. In real life, what would I see? ...Jim...
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9 years ago
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