A power reduction technique for wideband common gate low noise amplifers

Author

Minghua Wang ; Minglei Zhang ; Xiaohua Fan ; Yu Liu

Author_Institution

Inst. of Microelectron., Beijing, China

fYear

2014

fDate

3-6 Aug. 2014

Firstpage

969

Lastpage

972

Abstract

In this paper, a power reduction technique for wideband common gate low noise amplifiers (LNA) is proposed for low power application. Stacked current reused complementary capacitive cross coupling (CCCC) concept is proposed to improve LNA power efficiency. As a proof of the concept, the improved broadband differential common-gate LNAs (CG-LNA) designed in 0.18μm CMOS technology. The LNA achieves a 21.2dB peak voltage gain over 3dB bandwidth from 53MHz - 3.3GHz, 2.95dB minimum noise figure (NF) and -2.2dBm IIP3. The current consumption of the LNA core from 1.8V supply is 368uA.

Keywords

CMOS analogue integrated circuits; differential amplifiers; low noise amplifiers; low-power electronics; wideband amplifiers; CCCC concept; CG-LNA; CMOS technology; LNA power efficiency; NF; current 368 muA; improved broadband differential common-gate LNAs; noise figure; power reduction technique; stacked current reused complementary capacitive cross coupling; voltage 1.8 V; wideband common gate low noise amplifiers; CMOS integrated circuits; Couplings; Logic gates; MOSFET; Noise; Power demand; Transconductance; Low noise amplifier (LNA); capacitive cross coupling (CCC); current reuse; gm-boosting; low power; wideband;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems (MWSCAS), 2014 IEEE 57th International Midwest Symposium on

Conference_Location

College Station, TX

ISSN

1548-3746

Print_ISBN

978-1-4799-4134-6

Type

conf

DOI

10.1109/MWSCAS.2014.6908578

Filename

6908578