A couple: http://class.ee.iastate.edu/mmina/ee314x/homework/portable-electronics-flights.pdf http://class.ee.iastate.edu/mmina/ee314x/homework/portable-e... h

A couple: http://class.ee.iastate.edu/mmina/ee314x/homework/portable-electronics-flights.pdf http://class.ee.iastate.edu/mmina/ee314x/homework/portable-e... http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20010066904_2001108092.pdf http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/2001006...