Programmable digital signal processor for demodulating digital television signals
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United States of America Patent
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Jun 10, 2003
Grant Date -
N/A
app pub date -
Aug 2, 1999
filing date -
Aug 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A phase-lock loop circuit in a demodulator includes a timing recovery block and a carrier recovery block. The demodulator for demodulates a digital signal including symbols. The phase-lock loop includes an integrator processing a block of N samples to produce an average of the N symbols, and means for supplying the average of the N symbols to the timing recovery block and the carrier recovery block every NT period, where T is a sample time interval.
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