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

Author

Leung, Hiu Fai ; Luong, Howard C.

Author_Institution

Hong Kong Univ. of Sci. & Technol., Clear Water Bay, China

fYear

2012

fDate

17-19 June 2012

Firstpage

17

Lastpage

20

Abstract

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.

Keywords

CMOS analogue integrated circuits; UHF amplifiers; UHF integrated circuits; differential amplifiers; interference suppression; low noise amplifiers; microwave integrated circuits; software radio; transformers; wideband amplifiers; CMOS; SDR; current 11 mA; frequency 1.2 GHz to 6.6 GHz; low noise amplifiers; noise cancellation; noise figure 1.8 dB; size 0.13 mum; software-defined-radio applications; transformer feedback; voltage 1.2 V; wideband differential LNA; wideband input matching; CMOS integrated circuits; Impedance matching; Low-noise amplifiers; Noise cancellation; Noise measurement; Wideband; CMOS; LNA; Low noise amplifiers; SDR; noise cancellation; software-defined radio; wideband;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio Frequency Integrated Circuits Symposium (RFIC), 2012 IEEE

Conference_Location

Montreal, QC

ISSN

1529-2517

Print_ISBN

978-1-4673-0413-9

Electronic_ISBN

1529-2517

Type

conf

DOI

10.1109/RFIC.2012.6242222

Filename

6242222