Latest threads in Electronics Designshow only best voted threads

Subject Author Posted Replies
 
Square root circuit
Hi all, I may need to make a square root circuit to linearize the gain in a temperature control loop with resistors as heaters. (Speed is not very important.) For ~$7 I can use an analog multiplier...
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192
 
Changing speaker suspension, trouble?
If an old paper suspension speaker is repaired with foam suspension, how much effect on its characteristics occurs? I'm thinking its liable to get into trouble if mounted in an open backed cabinet due...
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13
 
feedforward clipper
Here is the schematic of a feedforward clipper/limiter I guess I don't understand how the clipping threshold is set? It doesn't seem like it would be independent of supply voltage?
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48
 
Can Reader contactless
Dears, a customer ask us about a design to a connector for CAN bus, it must read 2 signal form standard bus wit magnetic coupling, so i purchase comme rcial ones in order to get ideas, the common...
 
Waterproof Connectors or Passing Wires through a panel into a waterproof enclosure
I need to pass three wires, about 24 AWG through a panel into a waterproof enclosure. I see this connector pair: but it's 10A which is really over-kill. I don't really need a connectorized solution so...
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TX <--> TX. Did it again
Argh. So, I think I manage to get the UART outie hooked up to the USB and/or RS232 converter outie (and innie to innie) well over half the time. And, I just did it again. The STM32F303 has a SWAP bit...
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21
 
Charge pump voltage conversion and ADC
If a circuit has a charge pump IC to generate a negative rail, and a ADC nearby running at an appropriate frequency for an audio Nyquist...say 44khz, has anyone tried using the ADC clock as input for...
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6
 
Creative Labs X-Fi Elite Pro Soundblaster 7.1 stops working after recent windows 7 update.
Hello, Today 29 june 2015 after installing Microsoft Windows 7 updates the Creative Labs X-Fi Elite Pro Soundblaster 7.1 stopped working. (No more sound, no more audio devices available for console...
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20
 
OT: toner cartridge recommendations
Hi, One of my LJ's is *finally* nearing the end of its (first!) toner cartridge (C3903A). I'm not keen on refilling it. And, probably don't want to gamble on an off-brand/refilled unit -- esp given...
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40
 
voltage regulator
Here's a little programmable voltage regulator to go with that 1200 volt power supply that I posted somewhere above. The R4-D2-G1-D1 mess approximates a Hitachi photovoltaic optocoupler. It's possible...
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17
 
Math Problem
A math problem over my head... Would some math whiz solve this for me? Thanks! ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete...
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13
 
Mitsubishi heat pumps
Are a few of you blokes heat pump experts? I'm attracted to Mitsubishi's M-series of inverter-driven split ductless and ducted "comfort" systems. I'm thinking of a small one for the upstairs master...
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9
 
SpaceX had a failure
I watched the SpaceX launch at 10:21 est this morning hoping to see the Barge landing. It didn't happen, it had an explosion, I suspect at about the time of separation. I haven't heard how the robotic...
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2
 
Beat Frequencies in Bifilar Coil
If I have a cylindrical bifilar air coil and feed a 200Hz sine wave in one end, and a 300Hz sine wave in the other end (so currents oppose), will I obtain any EMR at the 100Hz difference frequency?...
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38
 
Insolation of Electronic Equipment
I am looking at a weather proof enclosure for some electronic gear. It will be fairly small, smaller than a breadbox (slightly smaller than a shoebox in fact, around 8" x 6" x 3") and have a clear...
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9