Multiple Choice
A phase modulator can be made to create FM indirectly by:
A) ensuring that the audio signal has an amplitude that varies inversely proportional to its frequency.
B) integrating the intelligence signal prior to phase modulation
C) feeding the intelligence signal through a frequency correcting network
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q27: An FM signal has an intelligence frequency
Q28: A stage that produces a specific dc
Q29: The first working FM system was developed
Q30: Narrowband FM stations:<br>A) are found in police,
Q31: The main purpose of pre-emphasis and de-emphasis
Q33: FM systems utilizing a direct FM modulator
Q34: In an FM modulator, the amplitude of
Q35: Determine the worst case output signal-to-noise ratio
Q36: Standard FM broadcast stations use a maximum
Q37: The most important advantage of FM over