Frequency modulated signal is regarded as the phase modulated signal in which the modulating wave is differentiated before modulation.

Related MCQs

• The frequency deviation is proportional to frequency in phase modulated signal.
• In indirect method, the carrier frequency is directly varied in accordance with the input modulating signal.
• For a phase modulated signal, the frequency deviation is proportional to
• If the peak message signal amplitude is half the peak amplitude of the carrier signal, the signal is            modulated.
• For which of the modulated system, the linear amplified modulated stage is used?
• Carrier wave in modulation is a resultant wave.
• Frequency modulation index defines the relationship between the              and bandwidth of transmitted signal.
• In angle modulation, signal to noise ratio before detection is a function of              
• Which of the following is used to vary the frequency of the carrier frequency in accordance with the baseband signal amplitude variations in direct method of FM generation?
• In DPSK system, input signal is differentially encoded and then modulated using a                  modulator.