Problem Statement: Principles of Communications
Modulation Problem SolvingA 107.6 MHz carrier is frequency modulated by a 7 kHz sine wave. The resultant FM signal has frequency deviation of 50 kHz.
a. Find the carrier swing of the FM signal.
b. Determine the highest and lowest frequencies attained by the modulated signal.
c. What is the index of the FM wave?
Problem Answer:
a. The the carrier swing of the FM signal is equal to 100 kHz.
b. The highest and lowest frequencies attained by the modulated signal is equal to 107.65 MHz and 107.55 MHz respectively.
a. The index of the FM wave is equal to 7.1428.
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