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A 9.5mW analog baseband RX section for 60GHz communications in 90nm CMOS

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5 Author(s)
D'Amico, S. ; Univ. of Salento, Lecce, Italy ; Spagnolo, A. ; Donno, A. ; Wambacq, P.
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The analog baseband section of a receiver for high data-rate 60 GHz wireless communications is implemented in 90 nm 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 1 GHz cut-off frequency. Gain can be programmed from 0 dB up to 20 dB with 1 dB step control, drawing 9.5 mA (0-9 dB gain range) or 10.8 mA (10-20 dB gain range) from a 1 V supply. A 8.2 dBm IIP3 and a -145 dBm/Hz IRN are measured respectively at 0 dB and 20 dB gain. The entire baseband section occupies 400 × 390 μm2 die area.

Published in:

Radio Frequency Integrated Circuits Symposium (RFIC), 2011 IEEE

Date of Conference:

5-7 June 2011