NDLI: A broadband fully on-chip low noise amplifier for square kilometre array radio telescope

Content Provider	IEEE Xplore Digital Library
Author	Shah, Kriyang Singh, Jugdutt Le, Hai Phuong Moghe, Yashodhan Brawley, Andrew
Copyright Year	2011
Description	Author affiliation: Centre for Technology Infusion, La Trobe University, Melbourne, Australia (Shah, Kriyang; Singh, Jugdutt; Le, Hai Phuong) \|\| Sapphicon Semiconductor, Homebush Bay, Australia (Moghe, Yashodhan; Brawley, Andrew)
Abstract	This paper presents the design and implementation of a fully on-chip wideband low noise amplifier (LNA) using 0.25-micron Silicon-on-Sapphire (SOS) technology for the next-generation radio telescope application, the Square Kilometre Array (SKA), which demands ultra low noise and wideband operation. The proposed LNA design employs inductive degenerated cascode architecture with intermediate LC architecture, resulting in a broadband input matching. The LNA is optimised for minimum noise figure (NF) by employing high quality factor (Q) inductors which are perfectly matched with gate-source capacitance. After optimisation, the LNA achieved a NF from 0.49dB to 0.84dB over 1.1GHZ-band with a minimum gain of 12.6dB at a 2.5-V power supply. Measured results show that the LNA achieved minimum NF of 0.85dB with minimum gain of 12.3dB over the 1.1GHz operating band.
Starting Page	993
Ending Page	996
File Size	903321
Page Count	4
File Format	PDF
ISBN	9781424494736
ISSN	02714302
e-ISBN	9781424494743
e-ISBN	9781424494729
DOI	10.1109/ISCAS.2011.5937735
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-15
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Resistance Noise figure Logic gates Inductance Broadband amplifiers
Content Type	Text
Resource Type	Article

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