Design of Linear RF Outphasing Power Amplifiers
Xuejun Zhang, Lawrence E. Larson, Peter M. Asbeck
Résumé
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.
The book opens with an introduction to wireless
communication standards and the requirements they impose on
power amplifiers, together with a historical review of the
outphasing power amplifier.
Plus, this unique resource investigates various factors
that contribute to outphasing system linearity degradation,
reviews and compares various approaches for path mismatch
reduction and linearity performance improvement. What's
more, the book raises the issue of efficiency-isolation
trade-off on power combining, discusses combining methods
and choices of power amplifiers, and analyzes efficiency
enhancement techniques.
Contents
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
- 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
- Introduction
- Correction Schemes Based on Training Vectors
- Path Mismatch Error Correction Schemes Transparent to Data Transmission
- Mismatch Correction Scheme for Broadband Applications
- Introduction
- Power-Combining Techniques for Outphasing Amplifiers
- Amplifiers Choice for Outphasing Systems
- Outphasing Amplifiers Design Using Class A, B, and C Amplifiers
- Chireix Power-Combining Technique
- Combiner Design for Switching-Mode (Class D and Class E) Amplifiers
- Application of Lossy Power Combiners to Outphasing Power Amplifiers
- Probability Distribution of Output Power and Its Impact on Efficiency
- Power Recycling in Outphasing Amplifiers
Index
L'auteur - Xuejun Zhang
Xuejun Zhang is senior engineer at Qualcomm Inc. He
holds a Ph.D. in electrical engineering from the University
of California, San Diego, an M.S. in electro-optics from
the National University of Singapore, and a B.S. in
semiconductor physics from Peking University, China. He has
published extensively.
L'auteur - Lawrence E. Larson
Lawrence E. Larson is director of the Center for
Wireless Communications at the University of California,
San Diego and past CWC Industry Chair Professor in Wireless
Communications, Department of Electrical and Computer
Engineering. A Fellow of the IEEE, he has conducted
numerous research and development projects at Hughes
Research Laboratories and Hughes Network Systems. He holds
an M.B.A. and a Ph.D. in electrical engineering from the
University of California, Los Angeles, an M. Eng. and B.S.
in electrical engineering from Cornell University, New
York.
L'auteur - Peter M. Asbeck
Peter M. Asbeck is a professor of Department of Electrical and Computer Engineering at the University of California, San Diego and has done extensive work at Philips Laboratories and the Rockwell International Science Center as principal scientist, technical staff member, researcher and teacher. He holds a Ph.D., M.S. and B.S. in electrical engineering from the Massachusetts Institute of Technology and is a Fellow of the IEEE.
Caractéristiques techniques
| PAPIER | |
| Éditeur(s) | Artech House |
| Auteur(s) | Xuejun Zhang, Lawrence E. Larson, Peter M. Asbeck |
| Parution | 17/04/2003 |
| Nb. de pages | 214 |
| Format | 15,5 x 23,5 |
| Couverture | Relié |
| Poids | 480g |
| Intérieur | Noir et Blanc |
| EAN13 | 9781580533744 |
| ISBN13 | 978-1-58053-374-4 |
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