Rca1948FrequencyModu.. - The New Jersey Antique Radio Club

476 FREQUENCY MODULATION, Volume IwhileA« (± 2tt)U- \hAid (± tt)Sd V 2 2ttC 2(14b)G e(±2tt) =0.(15b)It is clear from the above that it is possible to frequency-modulatean oscillating system by introducing into the resonant circuit anelectron beam moving in the direction of a constant magnetic field.Furthermore, this is possible without absorption of power by the electronbeam.If, instead of being collected after traversing the length of theparallel planes, the electrons are reflected and caused to make a return