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Design of Linear RF Outphasing Power Amplifiers: Artech House Microwave Library (Hardcover)

Autor Xuejun Zhang, Lawrence E. Larson, Peter M. Asbeck
en Limba Engleză Hardback – mar 2003
This is the first book devoted exclusively to the outphasing power amplifier, covering the most recent research results on important aspects in practical design and applications. A compilation of all the proposed outphasing approaches, this is an important resource for engineers designing base station and mobile handset amplifiers, engineering managers and program managers supervising power amplifier designs, and R&D personnel in industry. The work enables you to: design microwave power amplifiers with higher efficiency and improved linearity at a lower cost; understand linearity and performance tradeoffs in microwave power amplifiers; and understand the effect of new modulation techniques on microwave power amplifiers.
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Specificații

ISBN-13: 9781580533744
ISBN-10: 1580533744
Pagini: 218
Dimensiuni: 154 x 240 x 19 mm
Greutate: 0.49 kg
Editura: Artech House Publishers
Seria Artech House Microwave Library (Hardcover)


Cuprins

Introduction — the Role of Power Amplifiers in Wireless Communication Systems. Characterization of Power Amplifier for Wireless Communications. Power Amplifier Linearization and Efficiency Enhancement Techniques. Outphasing Microwave Power Amplifiers. References. Linearity Performance of Outphasing Power Amplifier Systems — Introduction. Digital Modulation Techniques. Baseband Filtering of Digital Data. Signal Component Separation for Outphasing Amplifiers. Path Imbalance and Its Effects on Linearity. Effect of Quadrature Modulator Errors on Linearity. SCS Quantization Error Effects on Outphasing Systems. Linearity Effects of Reconstruction Filter and DSP Sampling Rate. Summary. References. Path Mismatch Reduction Techniques for Outphasing Amplifiers — Introduction. Correction Schemes Based on Training Vectors. Correction Schemes Transparent to Data Transmission. Correction Schemes for Multicarrier and Broadband Applications. VCO-Derived Synthesis. Summary. Appendix. References. Power Efficiency Enhancement Techniques — Introduction. Power Combiners. Choice of Amplifier. Design for Class A, B and C Amplifiers. Chireix Power Combining. Design for Switching-Mode Amplifiers. Application of Lossy Power Combiners. Probability Distribution of Output Power. Power Recycling in Outphasing Amplifiers. Summary. Appendix. References. Conclusions — Research Summary. Future Research Directions.