Clock signal generator for a digital television receiver

Details Clock signal generator for a digital television receiver Clock signal generator for a digital television receiver

H - Electricity

04

N

H04N 7/12 (2006.01) H03L 7/14 (2006.01) H04N 11/24 (2006.01) H03L 7/099 (2006.01) H04N 5/44 (2006.01)

Patent

CA 2111115

A high definition television receiver including di- gital signal processing circuits (118-128, 150) receives a high definition television signal containing narrowband high priority information from which a system clock is derived (155, 129), and low priority wideband informa- tion. After a channel change, a clock signal developed (137-139) from narrowband information associated with the previously tuned channel is used (134) as the receiver clock until a clock signal with a desired phase character- istic is developed (131, 133) from the narrowband infor- mation of the newly tuned channel.

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