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Conference paper

Influence of the Antenna Impedance Variation and Input Matching Network Q on LNA Key Figures

In 2012 Loughborough Antennas & Propagation Conference — 2012, pp. 1-3
From

Department of Electrical Engineering, Technical University of Denmark1

Electromagnetic Systems, Department of Electrical Engineering, Technical University of Denmark2

GN ReSound A/S3

In this paper we present an analysis of the behaviour of a 2:4 GHz Low Noise Amplifier (LNA) for Wireless Body Area Network (WBAN) applications facing antennadetuning issue. An amplifier with ultra-low power, low voltage, and with reduced component count is prototyped to validate simulation results, then the behaviour is analyzed through simulations based on data measured on real users.

The analysis shows that the designed LNA is stable to the antenna impedance variation expectable in most cases, while highlights the possible risks associated to a high-Q input matching network when used in a context prone to antenna detuning risk.

Language: English
Publisher: IEEE Computer Society Press
Year: 2012
Pages: 1-3
Proceedings: 2012 Loughborough Antennas & Propagation ConferenceLoughborough Antennas & Propagation Conference
ISBN: 1467322180 , 1467322199 , 1467322202 , 9781467322188 , 9781467322195 and 9781467322201
Types: Conference paper
DOI: 10.1109/LAPC.2012.6403036
ORCIDs: Ruaro, Andrea and Jakobsen, Kaj Bjarne

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