Ch. 33: Electromagnetic Waves - Part B2November 13, 2009The Spectrum of EM Waves!Maxwell’s rainbow.
Ch. 33: Electromagnetic Waves - Part B3November 13, 2009The Traveling Electromagnetic Wave!Generation of EM waves (λ~ 1m, short-wave radio).!An LC oscillator produces an AC or oscillatory current at an angular frequency of .!An external energy source supplies energy to compensate for the thermal loss and the energy carried away by the radiated EM wave.!The LC oscillator is coupled by a transformer and a transmission line to an antenna.1/LCω=
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