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Analysis of RF power amplifiers in LINC systems

Published online by Cambridge University Press:  05 January 2012

Ronald Montesinos ,
Corinne Berland ,
Mazen Abi Hussein ,
Olivier Venard  and
Philippe Descamps
Ronald Montesinos*
Affiliation:
LaMIPS, Laboratoire Commun NXP-CRISMAT UMR 6508 CNRS ENSICAEN UCBN, Caen, France Dép. Systèmes Electroniques, ESIEE Paris, Cité Descartes, BP99, 93162 Noisy-le-Grand, France
Corinne Berland
Affiliation:
LaMIPS, Laboratoire Commun NXP-CRISMAT UMR 6508 CNRS ENSICAEN UCBN, Caen, France Dép. Systèmes Electroniques, ESIEE Paris, Cité Descartes, BP99, 93162 Noisy-le-Grand, France
Mazen Abi Hussein
Affiliation:
LaMIPS, Laboratoire Commun NXP-CRISMAT UMR 6508 CNRS ENSICAEN UCBN, Caen, France Dép. Systèmes Electroniques, ESIEE Paris, Cité Descartes, BP99, 93162 Noisy-le-Grand, France
Olivier Venard
Affiliation:
LaMIPS, Laboratoire Commun NXP-CRISMAT UMR 6508 CNRS ENSICAEN UCBN, Caen, France Dép. Télécommunications, ESIEE Paris, Cité Descartes, BP99, 93162 Noisy-le-Grand, France
Philippe Descamps
Affiliation:
LaMIPS, Laboratoire Commun NXP-CRISMAT UMR 6508 CNRS ENSICAEN UCBN, Caen, France
*
Corresponding author: R. Montesinos Email: [email protected]
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Abstract

LInear amplification using Non-linear Components (LINC) is an architecture that achieves linear power amplification for radio-frequency (RF) transmitters. This paper describes the impact of RF power amplifiers (PAs) class on the overall system performances. The linearity and efficiency of the LINC transmitter with different PA classes (AB, B, C, D, E, F, F−1, and J) are evaluated and compared, in terms of error vector magnitude (EVM), adjacent channel leakage ratio (ACLR), and power added efficiency (PAE), for a 16QAM modulation having 5.6 dB peak to average power ratio. Simulations are performed using a gallium-nitride high electron mobility transistor (GaN HEMT) for a power amplifier with an output power of 10 W at 900 MHz.

Keywords

LINC transmitterPower amplifiersChireix combinerLoad pull modulationPower efficiencylinearity
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 4 , Special Issue 1: IJMWT Special Issue on the 2011 National Microwave Days in France , February 2012 , pp. 81 - 91
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2011

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References

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