Q. In frequency modulation, the amplitude of modulated carrier signal is ______and its frequency is ______ by the modulating message signal.

View solution

Q. FM signals have all their information in ______ of the carrier.

View solution

Q. Amplitude modulation has ______ relationship between the quality of the received signal and the power of the received signal.

View solution

Q. FM has _______ noise immunity when compared to amplitude modulation.

View solution

Q. FM signals are _____ susceptible to atmospheric and impulse noise as compared to AM.

View solution

Q. Burst noise affects FM systems.

View solution

Q. AM has a modulation index.

View solution

Q. Which of the following is an advantage of AM systems in comparison to FM sysytems?

View solution

Q. An FM signal is a ______ envelope signal.

View solution

Q. FM uses class______ amplifiers and AM uses class ______ amplifiers.

View solution

Q. AM exhibits capture effect characteristics.

View solution

Q. Which of the following is a drawback of FM systems?

View solution

Q. Carrier signal in modulation technique is _______ signal.

View solution

Q. Modulation index of an AM signal is ratio of __________ to the _______

View solution

Q. If the peak message signal amplitude is half the peak amplitude of the carrier signal, the signal is _____ modulated.

View solution

Q. A percentage of modulation greater than ___________ will distort the message signal.

View solution

Q. The RF bandwidth of AM is ____________ the maximum frequency contained in the modulating message signal.

View solution

Q. Single sideband AM systems occupy same bandwidth as of conventional AM systems.

View solution

Q. How is the performance of SSB AM systems in fading channels?

View solution

Q. Which of the following is a disadvantage of tone-in-band SSB system?

View solution