In FM, the carrier amplitude remains constant and the carrier frequency is changed by the modulating signal. True or False 2.

True or False

2.

3.

A. The greater the number of sidebands and the wider the bandwidth

B. T

7.One of the primary benefits of FM over AM is its

A. Line of signal transmission

B. Superior noise immunity

C. Lower signal to noise ratio

D. Smaller bandwidth

8.Which of the following circuit amplifies the high-frequency components more than the low-frequency components in a signal?

A. Mixer

B. Pre-emphasis

C. De-emphasis

D. Amplifier

9.Which of the following is not a basic element of a phase-locked loop circuit?

A. Phase detector

B. Parallel tuned circuit

C. VCO

D. Low-pass filter