Description:
Fixing electronic equipment.
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Coax cable used for DC instrumentation
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Hello, I am working with an instrument which outputs 0-5mV, and that signal has to reach a sensing device 35' away. I am concerned with noise, and I don't think shielded cable will work well enough. So I am considering using coax cable. But I don't understand coax. There are numerous "RG" ratings and ohm ratings. Suppose I used RG62 with 50... more »
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Charging Portable MP3 Player (Not IPod)
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Hi, This "problem" with the MP3 player may have been a "fluke". I went into "system tools" and activated a "reset". When I tried to play music, it presented a "refresh" option, which I did. I found technical information on the web about charging an IPOD/MP3 player. This time I set the current... more »
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Zeners in series...
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Hey there, could somebody take a quick look at this circuit and try to explain me what's the purpose of the 2 zeners near the interrogative point ? Here's the schematic: [link] If they are working as voltage stabilizer, shouldn't there be a resistor between them and the rectifier??... more »
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Samsung Corby Plus Price List and Features
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Samsung launches two new pair of Corby phones CorbyPlus B3410 and CorbyPro B5310 in Indian market. This pair is also expected to be a big hit similar to those Corbys’ which were recently launched. The common features in both the phones include full QWERTY keypads and QVGA touchscreen displays, providing access to social networking sites... more »
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Update: 3.3V vs. 3V dilemma
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To bring this little saga to a close, I built a little AC adapter for my Fuji Finepix digicam: brought in 5 volts from a little Samsung wall wart, put the regulator and an electrolytic cap in a film can on a little piece of perfboard, and brought the power out to a 2.5mm power mini jack. The long and short of it is, the camera doesn't work on this supply. It... more »
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