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Digital television signal processing system including a co-channel rejection filter

  • US 5,550,596 A
  • Filed: 11/25/1994
  • Issued: 08/27/1996
  • Est. Priority Date: 11/25/1994
  • Status: Expired due to Term
First Claim
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1. In a television receiver for receiving a television signal representative of digital video information, apparatus comprising:

  • an input signal translation network;

    a first equalizer responsive to signals from said signal translation network;

    a baseband demodulator responsive to an output signal from said equalizer; and

    a notch filter included in said baseband demodulator for filtering baseband and near-baseband video signals, said filter exhibiting a response including significant amplitude attenuation at a prescribed frequency for attenuating interferer signal components subject to contaminating said received signal.

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