Question Bank

Questions for MODULATION

Answer the following questions

1. Which of the following is an advantage of single sideband (SSB) emissions?

More frequencies available

Reduced power requirement

All of the above

Better signal/noise ratio

2. Which of the following statements concerning FM is correct?

the amplitude of the RF is modified by the amplitude of the AF

the frequency of the RF is modified by the amplitude of the AF

the frequency of the RF is modified by the frequency of the AF

the amplitude of the RF is modified by the frequency of the AF

3. Which of the following statements concerning AM is correct?

the amplitude of the RF is modified by the amplitude of the AF

the frequency of the RF is modified by the frequency of the AF

the frequency of the RF is modified by the amplitude of the AF

the amplitude of the RF is modified by the frequency of the AF

4. The bandwidth produced when a radio frequency (RF) of 4716 kHz is amplitude modulated with an audio frequency of 6 khz is

12 kHz

9 kHz

3 kHz

6 kHz