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Digital subscriber line (DSL) modem compatible with home networks

  • US 6,831,975 B1
  • Filed: 09/13/2000
  • Issued: 12/14/2004
  • Est. Priority Date: 09/13/2000
  • Status: Expired due to Term
First Claim
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1. A device for accurately generating a plurality of samples representing data encoded according to a digital subscriber line (DSL) specification, said data being encoded in a DSL signal and being received on a telephone line, said telephone line being shared by other devices used for home networking, said device comprising:

  • a filter coupled to said telephone line, said filter receiving an input signal on said telephone line and attenuating signal components corresponding to said home networking to generate a filtered output;

    a first amplifier amplifying said filtered output to generate an amplified signal; and

    an analog to digital converter (ADC) sampling said amplified signal to generate said plurality of samples;

    wherein said filter comprises a high pass filter including a first resistor in series with an input capacitance, wherein said first resistor has a resistance substantially more than the internal resistance of said input capacitance.

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