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A 1.2–6.6GHz LNA using transformer feedback for wideband input matching and noise cancellation in 0.13µm CMOS

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2 Author(s)
Hiu Fai Leung ; Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong ; Howard C. Luong

A novel transformer feedback featuring wideband input matching and noise cancellation is proposed and demonstrated in a wideband differential LNA for software-defined-radio (SDR) applications. Implemented in 0.13μm CMOS with an area of 0.32mm2, the LNA prototype measures a wideband input matching S11 of less than -10dB from 1.2GHz to 6.6GHz and minimum NF of 1.8dB while consuming 11mA at 1.2V supply.

Published in:

2012 IEEE Radio Frequency Integrated Circuits Symposium
IEEE RFIC Virtual Journal
IEEE RFID Virtual Journal

Date of Conference:

17-19 June 2012