A receiver to process a RF input signal having a plurality of channels includes a direct down conversion circuit, a demodulation circuit, and a local oscillator circuit. The direct down conversion circuit provides a downconverted signal based on the RF input signal and a local oscillator signal. The...http://www.google.com/patents/US7535976?utm_source=gb-gplus-sharePatent US7535976 - Apparatus and method for integration of tuner functions in a digital receiver
