NDLI: Noise figure optimization of wide-band inductively-degenerated CMOS LNAs

Content Provider	IEEE Xplore Digital Library
Author	Belostotski, L. Haslett, J.W.
Copyright Year	2007
Description	Author affiliation: Calgary Univ., Calgary (Belostotski, L.; Haslett, J.W.)
Abstract	This paper presents the design and measurement results of a wide-band inductively-degenerated 0.18-mum CMOS LNA targeted for the square kilometer array (SKA) radio telescope. A noise figure optimization procedure is discussed that allows selection of an optimum power consumption resulting in the lowest noise figure given the required bandwidth. The noise optimization procedure accounts for the parasitic resistances of both the transistor's gate fingers and the gate inductor. Measured results of a single-stage 700 MHz-1400 MHz LNA are discussed. The LNA, designed in 0.18-mum CMOS, achieves noise figures better than 0.57 dB, gain $(S_{21})$ of at least 15 dB, input return loss of greater than 16 dB, output P1dB of 6 dBm, and output IP3 of 14.5 dBm while consuming 50 mW of power from a 1.5-V supply.
Starting Page	1002
Ending Page	1005
File Size	773927
Page Count	4
File Format	PDF
ISBN	9781424411757
ISSN	15483746
DOI	10.1109/MWSCAS.2007.4488731
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-05
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Noise figure Wideband Optical design Radio astronomy Energy consumption Bandwidth Fingers Inductors Electrical resistance measurement Gain Square Kilometer Array (SKA) Low noise amplifier noise figure optimization
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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