Patent ID: 6831975
Filing Date: 2004-12-14
Classification: H03H,H04L

Abstract:
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.