A phase modulated signal demodulation system which is not affected by noise and distortion of an input signal. The system includes a carrier reproduction PLL circuit for generating a reproduction reference clock having a frequency which is N times of a carrier frequency which is synchronized with an...http://www.google.es/patents/US5614861?utm_source=gb-gplus-sharePatente US5614861 - N-phase modulated signal demodulation system with carrier reproduction
N-phase modulated signal demodulation system with carrier reproduction
