Patent ID: 7136422

Claim:
An analog front end arrangement for use in a communication system for communicating a data signal using a cable television transmission medium, comprising: a plurality of band pass filters coupled to receive a modulated radio frequency signal, each of the band pass filters centered around a different center frequency, wherein a sampling rate is less than the Nyquist rate so as to cause aliasing deliberately; a multiplexer coupled to receive output signals from the band pass filters and to couple a selected one of the band pass filter output signals to an output of the multiplexer; an analog to digital converter, responsive to the output of the multiplexer and to an output of a clock signal generator and configured to provide a digital signal, generated as a function of the output of the multiplexer and the output of the clock signal generator, to a digital receiver; and sample rate logic configured to provide, as a function of the center frequency, a select signal to the multiplexer, a rate parameter to the clock signal generator, and a spectrum inversion indication to the digital receiver.