Question 1: Modulation allows us to transmit voice and sound at higher carrier f

Question

Question 1: Modulation allows us to transmit voice and sound at higher carrier frequencies, thus enabling us to transmit information at different frequencies. True False

Question 2: Viewing a signal in the time domain gives you the profile of the signal over time, while viewing the signal in the frequency domain tells you the frequency bandwidth that the signal occupies. Viewing a signal in both domains is important when determining the overall quality of the signal. True False

Question 3: A signal that has been modulated to a higher frequency is called a Passband signal. True False Since message waves such as voice represents information in the form of changing amplitudes, message amplitudes must be converted into carrier frequency changes when using FM techniques. Kvco represents the voltage-controlled oscillator that converts amplitude changes into frequency changes, and is given in units of Hz per volts. True False

Explanation / Answer

Ans 1) True. Modulation allows to transmit voice and sound waves at higher frequencies and even enable to transmit information at different frequencies.

Ans 2) True: viewing a signal in the time domain gives you the profile of the signal over the time frame. Viewing the signal in both the domains important.

Ans 3) True.

Ans 4) True

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