Patent ID: 7542100

Claim:
A video receiver formed within an integrated circuit device, the video receiver comprising: first and second mixing circuits to generate a complex baseband signal by mixing a carrier-frequency analog video signal with respective sinusoids of a quadrature sinusoid pair; a filtering circuit to subtract a first scaled complex conjugate of the complex baseband signal from the complex baseband signal, the filtering circuit including: a conjugating circuit to generate a complex conjugate of the complex baseband signal; a multiplier circuit, coupled to the conjugating circuit, to multiply the complex conjugate of the complex baseband signal with a first scaling factor to generate the first scaled complex conjugate of the complex baseband signal; a first circuit, coupled to the multiplier circuit, to generate a difference between the first scaled complex conjugate of the complex baseband signal and the complex baseband signal; and an adaptation circuit, coupled to the multiplier circuit, to generate the first scaling factor, the adaptation circuit including: adaptive circuitry to generate a second scaling factor based on a difference between the complex baseband signal and a second scaled complex conjugate of the complex baseband signal; and a divider, coupled to the adaptive circuitry, to divide the second scaling factor by a predetermined value.