The average textbook definition of modulation reads: modulation is a process in which the frequency, phase or amplitude of a carrier wave varies in step with the instantaneous value of the modulating ...

The general case of two modulating tones is mainly considered, and the amplitudes of the various frequency components appearing at the output of an ideal envelope detector are evaluated, including ...

Jeff Keith is senior product design engineer for Wheatstone Corp. This is one in a series of Q&As with industry professionals about their presentations at the upcoming NAB Show in Las Vegas. Radio ...