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By Fadhel M. Ghannouchi, Oualid Hammi, Mohamed Helaoui

ISBN-10: 1118406273

ISBN-13: 9781118406274

Covers theoretical and sensible facets concerning the behavioral modelling and predistortion of instant transmitters and gear amplifiers. It contains simulation software program that permits the clients to use the idea offered within the e-book. within the first part, the reader is given the overall history of nonlinear dynamic structures besides their behavioral modelling from all its points. within the moment half, a entire compilation of behavioral types formulations and buildings is supplied together with reminiscence polynomial established types, field orientated types resembling Hammerstein-based and Wiener-based types, and neural networks-based types. The ebook might be a precious source for layout engineers, business engineers, purposes engineers, postgraduate scholars, and researchers engaged on strength amplifiers modelling, linearization, and layout.

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Digest IEEE International Microwave Symposium, Phoenix, AZ, June 2001, pp. 979–982, 2001. S. and Zweidinger, D. (1993) The effects of BJT self-heating on circuit behavior. IEEE Journal of Solid-State Circuits, 28 (6), 678–685. [27] Boumaiza, S. M. (2003) Thermal memory effects modeling and compensation in RF PAs and predistortion linearizers. IEEE Transactions on Microwave Theory and Techniques, 51 (12), 2427–2433. Y. (2001) Spectral analysis of nonlinear amplifier based on the complex gain Taylor series expansion.

While electrical memory effects are a function of the signal bandwidth, thermal memory effects are a function of the amount of power dissipation in the power amplifier and the cooling circuit used to dissipate the heat from this dissipated power. 11 39 Generic block diagram for behavioral model performance assessment On one side, if a signal with relatively narrow bandwidth is used such that the responses of the amplifier and its matching networks around the envelope frequency are considered constant over the bandwidth of the signal, the output signal of the power amplifier is considered to have non-significant electrical memory effects.

These metrics can be defined either in the time or frequency domain. This chapter is organized as follows. First, the focus will be on clearly distinguishing between the behavioral modeling and digital predistortion (DPD) applications and describing the specifics of each. Then, a variety of performance quantification metrics that have been reported in the literature for power amplifier (PA) behavioral models and digital predistorters will be thoroughly described. These are mainly categorized into two classes: time domain metrics and frequency domain metrics.

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Behavioral Modelling and Predistortion of Wideband Wireless Transmitters by Fadhel M. Ghannouchi, Oualid Hammi, Mohamed Helaoui

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