Description:
Electronic circuit design.
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Need linear supply 3.3V/15A or 5V/25A
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Hello Folks, For an experiment a client needs a 3.3V/15A or larger supply, must be linear. Checked the usual suspects and at 10A there's pretty much the end of the rope these days. 5V/25A could be useful if I can get in there and hack it, should have enough SOA to deliver 3.3V/15A. Does anyone know where to get one? Can be used/salvaged as long as it... more »
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WRX File
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My wife has a WRX file, a training session from Girl Scouts :-( I can't get it to play but then, again, I have neutered Windows so that I don't have the latest Internet Explorer "updates"... I use Firefox exclusively. Is there a free player somewhere I can download? Thanks! ...Jim Thompson... more »
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Transient Voltage Suppressor diodes question
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Hallo to all, About ten days i posted a question how to protect a 1 Volt sensor from a 100 Volt peak for about 0.2 sec/ 20 mAmp. Some people suggested a Transient Voltage Suppressor. As I was reading the specs of TVS i realised that brake down voltage is only 10-20% from the stand off or operating Voltage. Not 100 times more. I... more »
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OT: Body Drill Size
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Strange, but I can't seem to Google the proper body drill size for a ... ...Jim Thompson
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What is a good "standard" force for a momentary push-button?
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Title says it all. I'm trying to find information about what is a good range for the force needed to activate a momentary push-button switch. My application is to build a custom "d-pad" style array like you might find on a video game controller or personal electronics. But I'd also appreciate any links to empirical studies or published... more »
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Microcurrent plasma tube
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What is the lowest power option to ionize a very small plasma tube? IOW I want to ignite (pulse) a small tube in a 4 x "AA" battery powered device, at the appropriate voltage, at around 100Hz. The duty cycle of the waveform can be shorted to conserve battery life, if required. What type of off-the-shelf... more »
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7805 regulator input voltage confusion ??
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hi, just looking up some specs on the 7805 regulator , one site says a max of 35vdc input and this says 25vdc max input ([link]) ,,,,,, i`m pretty sure the max is 35vdc ? what is correct ? also i have nearly finished building a fixed and adj power supply all in... more »
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Your opinion on bad sound
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I like to go clubbing. I've noticed that sometimes the sound quality is terrible. Distortion like clipping due to using underpowered amps. I've also noticed that after a night out at these places I get a bad ringing that lasts for weeks, and it's not just my regular tinnitus, it's new tones and a weird screeching sound when I listen to everyday... more »
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