Abstract: A demodulator with a phase-adjusting function including a detector including a delay detector delaying an input signal in delaying stages using a first clock obtained by frequency-dividing a sampling-clock at a first-ratio to output a delayed modulated signal, the sampling-clock having a predetermined frequency and a predetermined clock number, and a phase-adjustor which, when the stage number of the delaying stages obtained by dividing the predetermined clock number at the first-ratio does not become an integer, delays the input modulated signal using a second clock, the second clock obtained by frequency-dividing the sampling clock at a second-ratio, a ratio between the second-ratio and the first-ratio corresponding to a shortage in a final delaying stage to produce a phase-adjusted modulated signal that has been adjusted to cause the phase of the input modulated signal to coincide with the phase of the delayed modulated signal.

Abstract: A demodulator with a phase-adjusting function comprises a detecting section including a delay detection circuit which delays an input modulated signal in a plurality of delaying stages using a first frequency-divided clock obtained by frequency-dividing a sampling clock at a first frequency division ratio to output the delayed modulated wave signal, said sampling clock having a predetermined frequency and a predetermined clock number, and a phase-adjusting circuit which, when the stage number of the plurality of delaying stages which is obtained by dividing the predetermined clock number at the first frequency division ratio does not become an integer, delays the input modulated wave signal using a second frequency-divided clock, said second frequency-divided clock being obtained by frequency-dividing the sampling clock at a second frequency division ratio, a ratio between said second frequency division ratio and said first frequency division ratio corresponding to a shortage in a final delaying stage to prod