RF Circuit Design Techniques for MF-UHF Applications

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ISBN 9781439861653
Cat# K12850



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  • Combines theory with design techniques and real application examples that can be used to design RF components and systems in the MF-UHF range
  • Reflects an engineering design methodology that is used in practice, from theory to simulation to experimentation
  • Explains measurement set-up and techniques in detail for a range of devices, including high-power microstrip circuits, combiner/dividers, filters, directional couplers, transformers, inductors, and RFID systems
  • Includes MATLAB® code for several examples to facilitate the design process
  • Contains more than 440 illustrations as well as numerous tables


Magnetic resonance imaging, semiconductor processing, and RFID are some of the critical applications within the medium frequency (MF) to ultrahigh frequency (UHF) range that require RF designers to have a solid understanding of analytical and experimental RF techniques. Designers need to be able to design components and devices cost effectively, and integrate them with high efficiency, minimal loss, and required power. Computer-aided design (CAD) tools also play an important part in helping to reduce costs and improve accuracy through optimization. RF Circuit Design Techniques for MF-UHF Applications explains how to design, simulate, and implement RF/microwave components and devices for applications within the medium frequency (MF) to ultrahigh frequency (UHF) range. The book makes RF design simple by expertly blending theory, simulation, and practical application examples.

A Practical Guide to RF Circuit Design in the MF-UHF Range: Theory, Simulation, and Real-World Application Examples

After a review of network parameters used in the analysis of RF components and devices, the book examines MF-UHF design techniques in detail. These include techniques for designing high-power microstrip circuits, directional couplers, transformers, composite and multilayer inductors, filters, combiners/dividers, and RFID systems. For every device, the book gives the required theory and then explains the verification process with CAD tools. In addition, each design is illustrated with real-life implementation examples that use a variety of CAD tools such as MATLAB®, Mathcad, HFSS™, Ansoft Designer®, Sonnet®, and PSpice®. Design tables, curves, and charts are included to demonstrate an efficient design process. Throughout, the book also offers practical hints to help engineers shorten the design time.

Design MF-UHF Devices More Cost-Effectively

The book reflects the optimum design methodology used in RF engineering, from the application of theory, to simulation for verification, to experimentation. Packed with useful techniques, tips, and examples, it is an invaluable resource for engineers, researchers, and students working in the MF-UHF range.

Table of Contents

Network Parameters in RF Circuit Design
Network Parameters
Network Connections
S-Scattering Parameters

MF-UHF Inductor Design Techniques
Air Core Inductor Design and Examples
Toroidal Inductor Design and Examples
Toroidal Inductor Characterization Program
High-Power Inductor Design
Planar Inductor Design and Examples
Multilayer and Composite Inductor Design and Examples

MF-UHF Transformer Design Techniques
Autotransformer Design
Transmission Line Transformers
High-Current Transmission Line Transformer
Arbitrary Turns Ratio Transmission Line Transformers
TLT Design Using Series Configuration with Filars: n2:1 Impedance Ratio
Analysis and Design of Balun Using TLT

MF-UHF Combiner, Divider, and Phase Inverter Design Techniques
Analysis of Combiners and Dividers
Analysis of Dividers with Different Source Impedance
Microstrip Implementation of Power Combiners/Dividers
Measurement Setup for Combiner/Divider Response
Implementation of Power Combiners/Dividers Using Transformer Techniques
Analysis and Design of Phase Inverter Using TLT

MF-UHF Directional Coupler Design Techniques
Microstrip Directional Couplers
Multilayer Directional Couplers
Transformer Directional Couplers

MF-UHF Filter Design Techniques
Filter Design Procedure
Filter Design by Insertion Loss Method
Stepped Impedance Low-Pass Filters
Stepped Impedance Resonator Bandpass Filters

MF-UHF RFID System Design Techniques
Basic RFID System Design
RFID Microstrip Patch Antenna Design
RFID Microstrip Patch Antenna Design with EBG


Author Bio(s)

Editorial Reviews

"Throughout, the book contains practical methods to help designers reduce design time. It is an outstanding resource for RF component designers in the MF and UHF range and for engineering students interested in RF design and theory. It reflects the best design methodology used in RF engineering available today, from the application of theory to modeling for verification, optimization, and experimentation. It is filled with useful methods, tips, and techniques and will be an invaluable reference book for those working in the MF and UHF field."
--John J. Shea, IEEE Electrical Insulation Magazine, May/June 2014 - Vol. 30, No. 3

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