Pulse Modulation

What is the primary characteristic of the carrier signal in Pulse Modulation?

• A continuous sinusoidal wave

• A train of pulses

• A digital code

• A varying frequency signal

In Pulse Amplitude Modulation (PAM), which characteristic of the carrier pulse is varied according to the modulating signal's amplitude?

• Width

• Position

• Amplitude

• Frequency

Which type of pulse modulation varies the width of the carrier pulse based on the modulating signal's amplitude?

• Pulse Amplitude Modulation (PAM)

• Pulse Width Modulation (PWM)

• Pulse Position Modulation (PPM)

• Pulse Code Modulation (PCM)

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Which of the following is considered a digital pulse modulation technique?

• Pulse Amplitude Modulation (PAM)

• Pulse Width Modulation (PWM)

• Pulse Position Modulation (PPM)

• Pulse Code Modulation (PCM)

What is a disadvantage of pulse modulation techniques?

• Poor noise performance

• High signal power requirement

• Large bandwidth requirement

• Low complexity