22222

What is a major factor when designing FM Radio systems?

• Intermodulation Noise

• Baseband frequencies

• Transmission gain and delay distortion

• Frequency-division multiplexing

What does the composite signal that modulates the FM carrier include?

• Narrowband FM signals

• Only voice-band channels

• Frequency-division multiplexed voice-band channels

• Only video signals

What provides an artificial boost in amplitude to higher baseband frequencies?

• Modulation Index

• Deemphasis Network

• Frequency Modulator

• Preemphasis Network

What is the typical range for modulation indices in FM?

• 2 to 3

• 1 to 2

• 0.5 to 1

• 0.1 to 0.3

What type of FM signal is produced at the output of the deviator with low-index frequency modulation?

• High-index FM

• Narrowband FM

• Wideband FM

• Baseband FM

What is a microwave repeater?

• A type of antenna

• A receiver and transmitter placed back to back

• A digital signal processor

• A device that only transmits signals

What does a repeater station do?

• Modulates signals

• Only transmits signals

• Only receives signals

• Receives, amplifies signals, and reshape

Which of the following is NOT a type of microwave repeater?

• RF

• Baseband

• IF

• Digital

What is intermodulation noise caused by in AM systems?

• Delay distortion

• Frequency modulation

• Repeater amplitude nonlinearity

• Transmission gain

What is the purpose of a preemphasis network?

• To reduce noise

• To boost lower frequencies

• To boost higher baseband frequencies

• To modulate signals