A 9dBm IIP3 direct-conversion satellite broadband tuner-demodulator SOC

Abstract

A direct-conversion satellite tuner-demodulator IC is realized using 0.18/spl mu/m CMOS technology. The IC down-converts a 950-2150MHz satellite broadcasting signal to base band and demodulates the signal to an MPEG data stream. The IC conforms to both DVB-S and DSS standards. Experimental results show a 9dBm IIP3 while consuming 230mA from 1.8V supply.