A 2.2dB NF, 4.9–6GHz direct conversion multi-standard RF receiver front-end in 90nm CMOS

A multi-standard direct conversion receiver achieves 2.2dB NF at 6GHz with a 15kHz flicker noise corner. 1dB RF bandwidth is 4.9–6GHz, power dissipation is 56mW from 1.3V and active die area is less than 1.2mm
²
, including the input matching network. Inband P1dB and IIP3 at maximum gain (39dB) are −30dBm and −18dBm, respectively, and three gain steps of 6dB are provided. DC offset from self mixing is less than 10mV.