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(Solved): The instantaneous voltage of a signal can be written as v(t) = 4 cos(2000xt) + 6 cos(8000ft + Tt/3) ...
The instantaneous voltage of a signal can be written as v(t) = 4 cos(2000xt) + 6 cos(8000ft + Tt/3) volts (a) The signal is sampled at a frequency of 9 kHz. Sketch the amplitude spectrum of the sampled signal over the range -20 kHz
