Apparatus for generating timing signals for a digital television

Details Apparatus for generating timing signals for a digital television Apparatus for generating timing signals for a digital television

1996-02-16

1999-02-16

Tse, Young T.

Pulse or digital communications

Receivers

Amplitude modulation

375326, 375343, 375344, 348726, 348537, 329304, H03D 100, H04L 2722

Patent

active

058728155

ABSTRACT:
A QAM/VSB digital receiver is disclosed which includes a source of a QAM/VSB signal. An analog-to-digital converter is coupled to the QAM/VSB signal source, and is further responsive to a sample clock signal. A filter/complement is coupled to the analog-to-digital converter and has a first output terminal which produces a low-pass filtered QAM/VSB signal, and a second output terminal which produces a high-pass filtered QAM/VSB signal complementary to the low-pass filtered QAM/VSB signal. A sample clock generating circuit is coupled to the second output terminal of the filter/complement and produces the sample clock signal in response to the high-pass filtered QAM/VSB signal.

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