Timing phase detector and timing recovery using the same

Details Timing phase detector and timing recovery using the same Timing phase detector and timing recovery using the same

1995-03-07

1996-11-19

Chin, Stephen

Pulse or digital communications

Transmitters

Quadrature amplitude modulation

375261, 375340, H04L 2736

Patent

active

055770720

ABSTRACT:
A timing phase detector and timing recovery using a quadrature amplitude modulation is disclosed including a 4-point fast Fourier transforming portion for Fourier-transforming a digital output signal from an analog-to-digital converter; a sum/dump portion for adding and outputting the output of the 4-point fast Fourier transforming portion; and a cordic portion for calculating the phase of a complex number so as to indicate the output of the sum/dump portion on the X-Y coordinates.

REFERENCES:
patent: 4017859 (1977-04-01), Medwin
patent: 5187719 (1993-02-01), Biroenheier et al.
patent: 5199078 (1993-03-01), Orglmeister

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