In DPSK system, input signal is differentially encoded and then modulated using a                  modulator.

Related MCQs

• Frequency modulated signal is regarded as the phase modulated signal in which the modulating wave is differentiated before modulation.
• 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?
• For a phase modulated signal, the frequency deviation is proportional to
• The frequency deviation is proportional to frequency in phase modulated signal.
• DPSK uses coherent form of PSK.
• The DPSK needs                  Eb/N0 than BPSK.
• For a low level AM system, amplifier modulated stage must have                    
• Find the total power, if the carrier of an AM transmitter is 800W and it is modulated to 50%?
• Phase encoded group consists of