ECE-350 Final: ECE 350 Boise State FinalExam f02
15 Feb 2019
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Three 8 x 11 sheets of notes, and a calculator/pc are allowed during the exam. Use the extra paper attached or your own, but indicate on which page each answer is located by the original question. Write all answers neatly and show your work to get full credit. Name: _______________: (35 points) in homework #8 you solved a problem about a superhetrodyne receiver. 8. 36 the accurate demultiplexing-demodulation of radio and television signals is generally performed using a system called the superhetrodyne receiver, which is equivalent to a tunable filter. The basic system is shown in figure p8. 36(a). (a) the input signal y(t) consists of the superposition of many amplitude-modulated signals that have been multiplexed using frequency-division multiplexing, so that each signal occupies a different frequency channel. Let us consider one such channel that contains the amplitude-modulated signal y1(t) = x1(t)cos c t, with spectrum y1(j ) as depicted at the top of figure p8. 36(b).
