A 9.5mW analog baseband RX section for 60GHz communications in 90nm CMOS
 
A 9.5mW analog baseband RX section for 60GHz communications in 90nm CMOS 
 
Stefano D'Amico, Stefano D'Amico, Annachiara Spagnolo, Annachiara Spagnolo, Andrea Donno, Andrea Donno, Piet Wambacq, Piet Wambacq, Andrea Baschirotto, Andrea Baschirotto
 
Abstract 

The analog baseband section of a receiver for high data-rate 60GHz wireless communications is implemented in 90nm CMOS. It consists of the cascade of a 1st-order transimpedance amplifier with finely programmable gain, a 4th-order source-follower based filter and a coarse gain 1st-order programmable gain amplifier, resulting in an overall 6th-order selectivity and a 1GHz cutoff frequency. Gain can be programmed from 0dB up to 20dB with 1dB step control, drawing 9.5mA (0-9dB gain range) or 10.8mA (10-20dB gain range) from a 1V supply. A 8.2dBm IIP3 and a -145dBm/Hz IRN are measured respectively at 0dB and 20dB gain. The entire baseband section occupies 400x390 square mm die area.