Nonlinear Rf Circuits And Nonlinear Vector Network Analyzers
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| Author | : Patrick Roblin |
| Publisher | : Cambridge University Press |
| Total Pages | : 300 |
| Release | : 2011-06-02 |
| Genre | : Technology & Engineering |
| ISBN | : 1139497006 |
With increasingly low-cost and power-efficient RF electronics demanded by today's wireless communication systems, it is essential to keep up to speed with new developments. This book presents key advances in the field that you need to know about and emerging patterns in large-signal measurement techniques, modeling and nonlinear circuit design theory supported by practical examples. Topics covered include: • Novel large-signal measurement techniques that have become available with the introduction of nonlinear vector network analyzers (NVNA), such as the LSNA, PNA-X and SWAP • Direct extraction of device models from large-signal RF dynamic loadlines • Characterization of memory effects (self-heating, traps) with pulsed RF measurements • Interactive design of power-efficient amplifiers (PA) and oscillators using ultra-fast multi-harmonic active load-pull • Volterra and poly-harmonic distortion (X-parameters) behavioral modeling • Oscillator phase noise theory • Balancing, modeling and poly-harmonic linearization of broadband RFIC modulators • Development of a frequency selective predistorter to linearize PAs
| Author | : J. Apolinar Reynoso Hernández |
| Publisher | : CRC Press |
| Total Pages | : 176 |
| Release | : 2024-12-19 |
| Genre | : Computers |
| ISBN | : 1040262317 |
This book summarizes the work developed over more than two decades in the field of advanced calibration techniques for vector network analyzers, by the RF and Microwave Group at The Center for Scientific Research and Higher Education of Ensenada, Baja California, Mexico, which is led by Dr. J. Apolinar Reynoso-Hernández, author of this book. This book is written so that every electrical engineer, with knowledge of electrical circuits and linear algebra basics, can understand the principles of VNA calibration techniques. Vector network analyzers are normally used by engineers and researchers working in the RF and microwave field, which usually requires advanced and specialized courses at graduate level. The reader should be able to implement any VNA calibration technique, decide the most adequate calibration for a given measurement condition, and interpret the measurement results, as a seasoned RF metrology expert. Principles and Applications of Vector Network Analyzer Calibration Techniques is a useful book for beginners and professionals working on • Microwave de-embedding and test fixture characterization • Characterization of uniform transmission lines • Load-pull measurements. It is also: • An ideal tutorial for professionals and postgraduate/research stu-dents taking courses in microwave calibration techniques. • A useful textbook for practicing electronics engineering and researchers working in the RF microwave field: calibration techniques and load-pull measurements.
| Author | : Gunter Kompa |
| Publisher | : Artech House |
| Total Pages | : 609 |
| Release | : 2019-12-31 |
| Genre | : Technology & Engineering |
| ISBN | : 1630817457 |
All model parameters are fundamentally coupled together, so that directly measured individual parameters, although widely used and accepted, may initially only serve as good estimates. This comprehensive resource presents all aspects concerning the modeling of semiconductor field-effect device parameters based on gallium-arsenide (GaAs) and gallium nitride (GaN) technology. Metal-semiconductor field-effect transistors (MESFETs), high electron mobility transistors (HEMTs) and heterojunction bipolar transistors (HBTs), their structures and functions, and existing transistor models are also classified. The Shockley model is presented in order to give insight into semiconductor field-effect transistor (FET) device physics and explain the relationship between geometric and material parameters and device performance. Extraction of trapping and thermal time constants is discussed. A special section is devoted to standard nonlinear FET models applied to large-signal measurements, including static-/pulsed-DC and single-/two-tone stimulation. High power measurement setups for signal waveform measurement, wideband source-/load-pull measurement (including envelope source-/load pull) are also included, along with high-power intermodulation distortion (IMD) measurement setup (including envelope load-pull). Written by a world-renowned expert in the field, this book is the first to cover of all aspects of semiconductor FET device modeling in a single volume.
| Author | : Wendy Van Moer |
| Publisher | : Elsevier Inc. Chapters |
| Total Pages | : 51 |
| Release | : 2013-11-09 |
| Genre | : Technology & Engineering |
| ISBN | : 0128068604 |
The world is often considered to behave approximately linearly. However, many real-life phenomena are inherently nonlinear! Hence, in order to accurately model the true behavior of a radio-frequency device or system, its nonlinear characteristics can no longer be ignored and should be taken into account. To do so, one should first be able to measure these nonlinear effects. After some years of hesitation, the high-frequency measurement world finally acknowledged the necessity to accurately measure the in- and out-of-band nonlinear behavior of a radio-frequency (RF) device or system. Since then, different measurement approaches have been developed to achieve this goal. The two major measurement principles being pursued are the sampler-based and the mixer-based methodology. The calibration and de-embedding process of nonlinear measurements is quite involved and requires special calibration standards. From the acquired “nonlinear” measurement data, one can then build a model that accurately describes the in-band and out-of-band nonlinear behavior of an RF system. This chapter will show the reader how to do accurate nonlinear RF measurements and how to obtain a simple and robust characterization of the nonlinear behavior of an RF system.
| Author | : Valeria Teppati |
| Publisher | : Cambridge University Press |
| Total Pages | : 475 |
| Release | : 2013-06-20 |
| Genre | : Technology & Engineering |
| ISBN | : 1107245184 |
This comprehensive, hands-on review of the most up-to-date techniques in RF and microwave measurement combines microwave circuit theory and metrology, in-depth analysis of advanced modern instrumentation, methods and systems, and practical advice for professional RF and microwave engineers and researchers. Topics covered include microwave instrumentation, such as network analyzers, real-time spectrum analyzers and microwave synthesizers; linear measurements, such as VNA calibrations, noise figure measurements, time domain reflectometry and multiport measurements; and non-linear measurements, such as load- and source-pull techniques, broadband signal measurements, and non-linear NVAs. Each technique is discussed in detail and accompanied by state-of-the-art solutions to the unique technical challenges associated with its use. With each chapter written by internationally recognised experts in the field, this is an invaluable resource for researchers and professionals involved with microwave measurements.
| Author | : Karun Rawat |
| Publisher | : Springer Nature |
| Total Pages | : 398 |
| Release | : 2020-03-05 |
| Genre | : Technology & Engineering |
| ISBN | : 3030388662 |
This book focuses on broadband power amplifier design for wireless communication. Nonlinear model embedding is described as a powerful tool for designing broadband continuous Class-J and continuous class F power amplifiers. The authors also discuss various techniques for extending bandwidth of load modulation based power amplifiers, such as Doherty power amplifier and Chireix outphasing amplifiers. The book also covers recent trends on digital as well as analog techniques to enhance bandwidth and linearity in wireless transmitters. Presents latest trends in designing broadband power amplifiers; Covers latest techniques for using nonlinear model embedding in designing power amplifiers based on waveform engineering; Describes the latest techniques for extending bandwidth of load modulation based power amplifiers such as Doherty power amplifier and Chireix outphasing amplifiers; Includes coverage of hybrid analog/digital predistortion as wideband solution for wireless transmitters; Discusses recent trends on on-chip power amplifier design with GaN /GaAs MMICs for high frequency applications.
| Author | : Wenhua Chen |
| Publisher | : Springer |
| Total Pages | : 248 |
| Release | : 2016-06-07 |
| Genre | : Technology & Engineering |
| ISBN | : 3662504405 |
This book introduces systematic design methods for passive and active RF circuits and techniques, including state-of-the-art digital enhancement techniques. As the very first book dedicated to multiband RF circuits and techniques, this work provides an overview of the evolution of transmitter architecture and discusses current digital predistortion techniques. Readers will find a collection of novel research ideas and new architectures in concurrent multiband power dividers, power amplifiers and related digital enhancement techniques. This book will be of great interest to academic researchers, R&D engineers, wireless transmitter and protocol designers, as well as graduate students who wish to learn the core architectures, principles and methods of multiband RF circuits and techniques.
| Author | : José Carlos Pedro |
| Publisher | : Cambridge University Press |
| Total Pages | : 361 |
| Release | : 2018-06-14 |
| Genre | : Technology & Engineering |
| ISBN | : 1107140595 |
A practical, tutorial guide to the nonlinear methods and techniques needed to design real-world microwave circuits.
| Author | : Janusz A. Dobrowolski |
| Publisher | : Artech House |
| Total Pages | : 419 |
| Release | : 2016-05-31 |
| Genre | : Technology & Engineering |
| ISBN | : 1630813672 |
Based on the popular Artech House title Microwave Network Design Using the Scattering Matrix, this authoritative resource provides comprehensive coverage of the wave approach to microwave network characterization, analysis, and design using scattering parameters. New topics include signal and noise analysis of differential microwave networks based on mixed mode wave variables, generalized mixed mode scattering, and generalized mixed mode noise wave scattering matrix. This one of a kind resource presents all aspects and topics related to the scattering matrix which have been developed and applied in microwave theory and practice. The book is an excellent source of theoretical information on the wave variables and scattering matrix and their application to microwave network characterization, modeling, analysis and design. This book demonstrates the approach of noise and signal analysis and how it is applicable to two port networks and their cascades, multi-ports and multi-element multiport networks with standard single-ended ports with differential ports and simultaneously with single-ended and differential ports. It is suitable for beginners, and students as well as experienced engineers and researchers working in the field of microwaves.
| Author | : Mike Golio |
| Publisher | : CRC Press |
| Total Pages | : 772 |
| Release | : 2018-10-08 |
| Genre | : Technology & Engineering |
| ISBN | : 1420006703 |
Highlighting the challenges RF and microwave circuit designers face in their day-to-day tasks, RF and Microwave Circuits, Measurements, and Modeling explores RF and microwave circuit designs in terms of performance and critical design specifications. The book discusses transmitters and receivers first in terms of functional circuit block and then examines each block individually. Separate articles consider fundamental amplifier issues, low noise amplifiers, power amplifiers for handset applications and high power, power amplifiers. Additional chapters cover other circuit functions including oscillators, mixers, modulators, phase locked loops, filters and multiplexers. New chapters discuss high-power PAs, bit error rate testing, and nonlinear modeling of heterojunction bipolar transistors, while other chapters feature new and updated material that reflects recent progress in such areas as high-volume testing, transmitters and receivers, and CAD tools. The unique behavior and requirements associated with RF and microwave systems establishes a need for unique and complex models and simulation tools. The required toolset for a microwave circuit designer includes unique device models, both 2D and 3D electromagnetic simulators, as well as frequency domain based small signal and large signal circuit and system simulators. This unique suite of tools requires a design procedure that is also distinctive. This book examines not only the distinct design tools of the microwave circuit designer, but also the design procedures that must be followed to use them effectively.
