Latest threads in Electronics Designshow only best voted threads
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Whats Wrong with the DC300A answer
Hi to all the terminally puzzled, --------------------------------- THE *problem* with the Crown DC300A is simple, but virtually unknown in the industry. Any amplifier that has response to DC is...
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4 years ago
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OT - Need Help with Dropbox
Hi all, I bought a 2TB account with Dropbox and uploaded 20 zip files 8GB total. I sent links to friends But they can't say they get a file not available message. Digging into it seems they are...
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4 years ago
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Design Error 2 revealed
Hi to all who tried, Dimitrij got close, posting the exact scenario but not the upshot. " Mess up something with acoustic feedback so that the amp squeals. Panic and flip the standby switch to kill...
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4 years ago
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Collider status reports on-line
If you want to see electronics hardware customized for the collider at CERN, use this link The Large Hadron Collider uses big diodes in color photos. Many images of September 2019 status report on...
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4 years ago
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ribbon cable TDR test
I'm going to have one board in the front of a rackmount box, the controller, with an FPGA. In the back of the box will be an output board with an ADUM7703 isolated delta-sigma converter measuring...
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4 years ago
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Things that go boom? Need to present to some kids
Hi Every year I teach a class in 7th grade about electronics and space stuff I normally end the presentation with a reverse power capacitor that goes boom, just so they at least get excited about...
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4 years ago
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Minimising EM noise from PWM switched fairly lights?
Hi, This year's project is to drive 3 strings of 30V DC LED outdoor fairy lights from Raspberry Pi's[1] I've been on here before last year and took some greet advice with respect to H-Bridges and...
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4 years ago
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48 | |
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OT: The worst natural disasters are getting more disasterous and more expensive
This week's Proceedings of the (American) National Academy of Science has a n article on the subject. "We document an increasing trend in extreme damages from natural disasters, which is consistent...
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4 years ago
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Small Design Error Saga
Hi to my many friends, ----------------------- this story involves local Sydney electronics maker Jands, a few years ago. I know Jands quite well, been to their factory many times. I know the...
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4 years ago
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USDA Suppressing Research- Rice Heading For Collapse
An internal government watchdog is starting an investigation into the USDA ?s handling of climate science and communication after a series of POLITICO reports found that the department has been...
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4 years ago
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What's Wrong with the DC300A ?
Hi to all my fans, -------------------- see pic of possibly the most famous stereo power amplifier ever made. The Crown DC300A was first released in the early 1970s and sold in large numbers, world...
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4 years ago
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What's in the little RED box.
Jumper lead. Guess before you get to disassembly.
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4 years ago
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BIG Clive and HV LED
Big Clive dissects a low power led and find a HV voltage led. 200V. The tiny array plugs into 240vac and has only a 1/2 watt limiting resistor. A bit more than he thought to start. You can jump to 11...
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4 years ago
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what type of connection or fitting is this?
Please see image with description. Not sure what it is called, but I need some. Thanks.
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4 years ago
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OT?
I need to send 40GB of photos to several people. My upload speed is .230 MB/s. It seems to me my best bet is to mail them a flash drive. Any tips on mailing them 1st class mail? Any problems mailing...
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4 years ago
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