1. List two (2) advantages and two (2) disadvantages of FM radio system over AM radio system.
1. List two (2) advantages and two (2) disadvantages of FM radio system over AM radio system.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:1. List two (2) advantages and two (2) disadvantages of FM radio system over AM radio system.
2. Determine the BW based on Bessel function and Carson's Rule required to transmit FM signal when the
modulating frequency, fm = 12 kHz and maximum frequency deviation is 60 kHz. Then the frequency
spectrum with labels.
3. For an FM modulator with unmodulated carrier amplitude Vc = 18 V, a modulation index m = 1, and a load
resistance R. = 12 0, determine the power in the modulated carrier and each side frequency, and sketch
the power spectrum for the modulated wave.
4. Given FM modulator with the following parameters:
Frequency deviation = 44 kHz
Modulating signal, Vm = 2 sin (2r6kt)
a) Determine the modulation index.
b) Determine number of sets of significant side frequencies.
c) Determine the bandwidth using both Bessel function and Carson's Rule.
d) Sketch the output frequency spectrum for the Bessel approximation.
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