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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Voltage
 = 2 sin 20,000πt is multiplied by voltage
 = 2 sin 2000πt. Draw a graph of the amplitude spectrum for
 similar to the one in Fig. 1.17(b). (Note that multiplication is a nonlinear mathematical operation. In electronics it is often called mixing because it produces a signal that contains output frequencies that are not in the input signal but depend directly on the input frequencies.)

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