exciter
ex.cit.er \-'si-t-*r\ n 1: one that excites 2a: a dynamo or battery that supplies the electric current used to produce the magnetic field in another dynamo or motor 2b: an electrical oscillator that generates the carrier frequency
Webster's English Dictionaryex.cit.er \-'si-t-*r\ n 1: one that excites 2a: a dynamo or battery that supplies the electric current used to produce the magnetic field in another dynamo or motor 2b: an electrical oscillator that generates the carrier frequency