MODULATION

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

• A6 kHz
• B3 kHz
• C12 kHz
• D9 kHz

#2. Which of the following statements concerning AM is correct?

• Athe amplitude of the RF is modified by the frequency of the AF
• Bthe amplitude of the RF is modified by the amplitude of the AF
• Cthe frequency of the RF is modified by the frequency of the AF
• Dthe frequency of the RF is modified by the amplitude of the AF

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

• AMore frequencies available
• BReduced power requirement
• CBetter signal/noise ratio
• DAll of the above