Adaptive RF Front-Ends for Hand-held Applications (Paperback, 2011 ed.)

The RF front-end - antenna combination is a vital part of a mobile phone because its performance is very relevant to the link quality between hand-set and cellular network base-stations. The RF front-end performance suffers from changes in operating environment, like hand-effects, that are often unpredictable. Adaptive RF Front-Ends for Hand-Held Applications presents an analysis on the impact of fluctuating environmental parameters. In order to overcome undesired behavior two different adaptive control methods are treated that make RF frond-ends more resilient: adaptive impedance control, and adaptive power control. Several adaptive impedance control techniques are discussed, using a priori knowledge on matching network properties, in order to simplify robust 2-dimensional control. A generic protection concept is presented, based on adaptive power control, which improves the ruggedness of a power amplifier or preserves its linearity under extremes. It comprises over-voltage, over-temperature, and under-voltage protection.

General

Imprint:	Springer
Country of origin:	Netherlands
Series:	Analog Circuits and Signal Processing
Release date:	December 2014
First published:	2011
Authors:	Andre Van Bezooijen • Reza Mahmoudi • Arthur H. M. van Roermund
Dimensions:	235 x 155 x 9mm (L x W x T)
Format:	Paperback
Pages:	153
Edition:	2011 ed.
ISBN-13:	978-9400799141
Categories:	Books > Computing & IT > Computer communications & networking > General Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Circuits & components Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Microwave technology Books > Science & Mathematics > Chemistry > Analytical chemistry > Qualitative analytical chemistry > Chemical spectroscopy, spectrochemistry > General Promotions
LSN:	9400799144
Barcode:	9789400799141

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