NDLI: A new power amplifier behavioral model for simultaneous linearity and efficiency calculations

Content Provider	IEEE Xplore Digital Library
Author	Pedro, Jose Carlos Cabral, Pedro M. Cunha, Telmo Reis Lavrador, Pedro Miguel
Copyright Year	2012
Description	Author affiliation: DETI, Instituto de Telecomunicações, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Portugal (Pedro, Jose Carlos; Cabral, Pedro M.; Cunha, Telmo Reis; Lavrador, Pedro Miguel)
Abstract	This paper proposes an innovative power amplifier, PA, low-pass equivalent behavioral model, BM, intended to enable the simultaneous prediction of linearity and efficiency in modern wireless transmitter chains. Contrary to the main PA behavioral modeling stream that has been exclusively focused in predicting the device's input-output power characteristics in the fundamental zone, this new model also provides the system designer with predictions of the PA absorbed dc power, this way enabling power efficiency calculations. For that, this new BM gives the fundamental output current or voltage across the load, as well as the base-band current flowing from the power supply to the PA dc bias terminal, I. Beyond the model format, a model extraction methodology and the corresponding laboratory test bench are shown. These were then validated comparing static and dynamic I modeled and experimental data.
Starting Page	1
Ending Page	3
File Size	1266126
Page Count	3
File Format	PDF
ISBN	9781467310857
ISSN	0149645X
e-ISBN	9781467310888
e-ISBN	9781467310864
DOI	10.1109/MWSYM.2012.6259393
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-17
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power amplifiers Predictive models Linearity Data models Current measurement Polynomials Load modeling power amplifiers Filtering modeling nonlinear systems
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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