Delivering the best possible solution for phase noise and output
power efficiency in oscillators
This complete and thorough analysis of microwave oscillators
investigates all aspects of design, with particular emphasis on
operating conditions, choice of resonators and transistors, phase
noise, and output power. It covers both bipolar transistors and
FETs. Following the authors’ guidance, readers learn how to design
microwave oscillators and VCOs that can be tuned over a very wide
frequency range, yet have good phase noise, are low cost, and are
small in size. All the essential topics in oscillator design and
development are covered, including:
* Device and resonator technology
* Study of noise sources
* Analysis methods
* Design, calculation, and optimization methodologies
* Practical design of single and coupled oscillators
While most of the current literature in the field concentrates on
classic design strategies based on measurements, simulation, and
optimization of output power and phase noise, this text offers a
unique approach that focuses on the complete understanding of the
design process. The material demonstrates important design rules
starting with the selection of best oscillator topology, choice of
transistors, and complete phase noise analysis that leads to
optimum performance of all relevant oscillator features. Also
included are CMOS oscillators, which recently have become important
in cellular applications. For readers interested in specialized
applications and topics, a full chapter provides all the necessary
references.
The contents of the text fall into two major categories:
* Chapters 1 through 9 deal with a very detailed and expanded
single resonator oscillator, including a thorough treatment of both
nonlinear analysis and phase noise
* Chapters 10 and 11 use the knowledge obtained and apply it to
multiple coupled oscillators (synchronized oscillators)
This text is partially based on research sponsored by the Defense
Advanced Research Projects Agency (DARPA) and the United States
Army and conducted by Synergy Microwave Corporation. With the
wealth of information provided for the analysis and practical
design of single and synchronized low-noise microwave oscillators,
it is recommended reading for all RF microwave engineers. In
addition, the text’s comprehensive, step-by-step approach makes it
an excellent graduate-level textbook.
Содержание
Foreword.
Preface.
Biographies.
1. Introduction.
2. General Comments on Oscillators.
3. Teransistor Models.
4. Large-Signal S-Parameters.
5. Resonator Choices.
6. General Theory of Oscillators.
7. Noise in Oscillators.
8. Calculation and Optimization of Phase Noise in
Oscillators.
9. Validation Circuits.
10. Systems of Coupled Oscillators.
11. Validation Circuits for Wideband Coupled Resonator VCOs.
12. References.
Appendix A: Design of an Oscillator Using Large Signal
S-Paramenters.
Appendix B: Design Example for Large Signal Design Based on
Bessel Functions.
Appendix C: Design Example for Best Phase Noise and Good Output
Power.
Appendix D: A Complete Analytical Approach For Designing
Efficient Microwave EFT and Bipolar Oscillators.
Appendix E: CAD Solution for Calculating Phase Noise in
Oscillators.
Appendix F: General Noise Presentation.
Appendix G: Calculation of Noise Properties of Bipolar
Transistors and EFTs.
Appendix H: Noise Analysis of the N-Coupled Oscillator
Coupled Through Different Coupling Topologies.
Index.
Об авторе
ULRICH L. ROHDE, Ph D, Dr-Ing, IEEE Fellow, is Chairman of Synergy
Microwave Corporation; a partner of Rohde & Schwarz, a Munich,
Germany firm specializing in test equipment and advanced
communications systems; and Professor of Microwave and RF
Technology at the Brandenburgische Technische Universität
Cottbus, Germany. He was previously president of Compact Software,
Inc. and a member of the Board of Directors of Ansoft Corporation.
Dr. Rohde has published more than sixty scientific articles, and
has authored or coauthored six books in the field of microwaves and
communications.
AJAY K. PODDAR, Dr-Ing, IEEE member, is a Senior Design Engineer
for Synergy Microwave Corporation, Paterson, New Jersey, and was
previously a senior scientist for the Defense Research and
Development Organization (DRDO) (1991-2001), Armament
Research and Development Establishment, Pune, India. He has
published more than twenty scientific papers. His main interests
are communications systems and circuits, specifically RF-MEMS and
microwave and millimeterwave oscillators.
GEORG BÖCK, Dr-Ing, IEEE Senior Member, is Professor of
Microwave Engineering at the Technische Universität Berlin,
Germany, and head of the Microwave Department. His main areas of
research are the characterization, modeling, and design of
microwave passive and semiconductor devices; MICs; and MMICs up to
the millimeterwave range. Dr. Böck has published more than 100
scientific papers.
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