Why is the capacitor microphone FM generation system seldom used in practical radio-frequency transmission applications?
A. It is inherently unstable.
B. It causes the carrier to shift.
C. It depends on the amplitude and frequency of the modulating signal.
D. It is dependent on system design.
Question 2
The amount by which the oscillator frequency increases and decreases from is called_________.
A. amplitude modulation
B. frequency modulation
C. frequency deviation
D. rest frequency