Design
in [Electronics]
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a presentation on Lead-free solder Can anyone put age/years interpretation to the green/yellow/red solder-type rankings in this publically available document? http://teerm.nasa.gov/LFS%20Reliability/Solder%20Comparison%20by%20Component %20Level%20Life_Use%20%20Analysis_Final.pdf Unfortunately, this test data demonstrated that for some componen... 6 Jul 2010 05:43
Help converting simple schematic to 110v On Jul 5, 5:15 pm, Michael <peek...(a)gmail.com> wrote: I'd like to extend a very big thank you to everyone who has taken the time to respond to my original post. I've enjoyed reading every response posted. Although I'm sure this next question will likely draw some criticism, I'd like to gather opinion... 6 Jul 2010 07:52
Wireless magnetic power transmission Hi, I need to calculate that how much power density is required on the transmitter side coil to transmit 300mWatts of power wirelessly to the receiving coil of radius 1inch square.Can anybody advice? John ... 6 Jul 2010 17:48
Hot dog? Hot dog? http://www.accuweather.com/us/ny/new-york/10017/city-weather-forecast.asp or... http://www.accuweather.com/us/ma/boston/02101/city-weather-forecast.asp but we'll hardly notice... http://www.accuweather.com/us/az/phoenix/85001/city-weather-forecast.asp today :-) ... 7 Jul 2010 19:00
Labelling Prototypes What do you guys use for labelling prototypes? I am thinking particularly of control panels (19 in rack mounting for example) containing pots, toggle and rotary switched all of which need labelling. So far I have looked at iron on T shirt printer paper, special transparent overhead projector type film with buil... 8 Jul 2010 12:30
Ultra low frequency VCO Could some electronics guru please help ? Is there any commonly available reference design for an ultra low frequency voltage controlled oscillator ? I developed a 60 Hz center frequency SPICE model using common op-amps. I was wondering if there are any reference designs out there. Any feedback would be very usefu... 15 Jul 2010 10:57
AofE 3rd Edition Winfield Hill wrote: Don't waste your time trying second- and third-best solutions. Go to Analog Devices' web site and acquaint yourself with their wide selection. We're featuring the ADE7753 in H&H AoE III Don't tease us Win, when's it coming out?! Would love a review copy for the blog ;-) Dave. --... 5 Jul 2010 18:53
VICIOUS Enemy Insurgents kill 34 US soldiers after 9 hrs attack - Bellies ripped open and numerous injured - call for TRUE PATRIOTS . The deep undercover spies agents of influence mislead the public on the facts VICIOUS Enemy Insurgents kill 34 US soldiers after 9 hrs attack - Bellies ripped open and numerous injured - call for TRUE PATRIOTS . The deep undercover spies agents of influence mislead the public on the facts http://www.youtube.com/watch?v=fRZSzdQuOqM&feature=related http://www.youtube.com/watch?v=0q7yEnMjQ6U... 5 Jul 2010 12:12
VICIOUS Enemy Insurgents kill 34 US soldiers after 9 hrs attack - Bellies ripped open and numerous injured - call for TRUE PATRIOTS . The deep undercover spies mislead the public on the facts VICIOUS Enemy Insurgents kill 34 US soldiers after 9 hrs attack - Bellies ripped open and numerous injured - call for TRUE PATRIOTS . The deep undercover spies mislead the public on the facts http://www.youtube.com/watch?v=fRZSzdQuOqM&feature=related http://www.youtube.com/watch?v=0q7yEnMjQ6U&feature=related htt... 4 Jul 2010 21:00
Gyros and other inertial sensors I just did a quick survey of Digi-Key and Mouser -- it looks like silicon gyros are still in the $5 - $10/ea range, unless of course you want to spend more. Anyone know of less expensive alternatives? Ditto accelerometers? -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you ne... 5 Jul 2010 03:30 |