Clock signal synthesizer with multiple frequency outputs and...

Details Clock signal synthesizer with multiple frequency outputs and... Clock signal synthesizer with multiple frequency outputs and...

2006-09-05

2006-09-05

Natnael, Paulos M. (Department: 2622)

Television

Synchronization

Automatic phase or frequency control

Reexamination Certificate

active

07102690

ABSTRACT:
A method for synthesizing a clock signal with multiple frequency outputs for use in a converter for converting a non-interlacing scan data into an interlacing scan data is disclosed. The converter provides a first reference clock signal with a frequency F1.The method includes the steps of receiving the first reference clock signal with the frequency F1to generate and output a clock signal with a frequency F1×N, proceeding a divided-by-P1and a divided-by-P2operations on the clock signal with a frequency F1×N, respectively, to output a first output clock signal with a frequency F1×N/P1and a second output clock signal with a frequency F1×N/P2,respectively. The value P2/P1correlates to a ratio of the pixel number of a horizontal scan line in the non-interlacing scan data to that in the interlacing scan data. In addition, a clock signal synthesizer with multiple frequency outputs is also disclosed.

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