Lumped element quadrature hybrids /
David Andrews.
Boston, MA : Artech House, c2006.
xi, 214 p.
1580536018 (alk. paper)
More Details
Boston, MA : Artech House, c2006.
1580536018 (alk. paper)
catalogue key
Includes bibliographical references (p. 207-210) and index.
A Look Inside
About the Author
Author Affiliation
David Andrews is the technical director of Vectawave Technology Ltd
This item was reviewed in:
SciTech Book News, June 2006
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Bowker Data Service Summary
Section headings in this work are: 'Overview of Quadrature Hybrids', 'Basic Theory', 'Approcimations', 'Passive Synthesis', 'Practical Design' and 'Special Topics'.
Long Description
Quadrature hybrids are passive circuit elements that are used in a wide range of RF and microwave applications, and this cutting-edge book is the first resource to provide engineers with a solid understanding of their characteristics and design. The book helps professionals use lumped element quadrature hybrids to achieve extremely wide bandwidth operation. This hands-on volume provides detailed construction techniques with worked examples, and describes the synthesis of circuits using practical circuit topologies. Moreover, the book discusses a wide-range of related topics, including active circuits, weak couplers, non-quadrature dividers, and tips on using graphical techniques. This comprehensive reference is thoroughly supported with over 225 illustrations and more than 200 equations.
Table of Contents
Prefacep. ix
Overview of Quadrature Hybridsp. 1
From Distributed to Lumped Element Designp. 1
Applicationsp. 8
Analysis of Quadrature Errorp. 13
Conclusionp. 15
Referencesp. 16
Basic Theoryp. 19
Lossless Circuitsp. 19
Hybrid Circuitsp. 20
Lumped Element Quadrature Hybridsp. 24
Approximate-Phase Quadrature Hybridsp. 30
Conclusionp. 33
Referencesp. 34
Approximationsp. 35
Optimization Goalp. 36
Polynomial Form of F([omega])p. 36
Rational Form of F([omega])p. 38
Second-Order Optimum Rational Functionp. 45
Higher-Order Optimum Rational Functionsp. 48
Transfer Functions in Terms of the Complex Variablep. 64
Numerator Part of the Optimum Transfer Functionsp. 67
Transfer Functions of Optimum Approximate-Phase Hybridsp. 71
Conclusionp. 72
Referencesp. 73
Passive Synthesisp. 75
Even- and Odd-Mode Analysisp. 76
The First-Order Quadrature Hybridp. 79
Higher-Order Lowpass Prototypesp. 81
Use of Transmission Linesp. 93
Optimum Rational Function Second-Order Prototypesp. 96
Higher-Order Optimum Rational Function Hybridsp. 104
Hybrid Synthesis Using Cascaded Sectionsp. 107
Cascades of First-Order Sectionsp. 109
Cascades of Second-Order Sectionsp. 112
Further Cascade Arrangementsp. 113
Approximate-Phase Hybridsp. 117
Approximate-Amplitude Hybrids Based on Phase Delay Networksp. 124
Conclusionp. 126
Referencesp. 127
Practical Designp. 129
The First-Order Circuit Coupled Inductor Designp. 130
A 435-MHz Ground Inductor Hybrid Designp. 135
A 1.27-GHz First-Order Microstrip Hybridp. 137
A 100-200-MHz Third-Order Polynomial-Based Hybridp. 138
A 1-3-GHz Mixed Element Hybridp. 140
A 2.5-6-GHz Hybrid with Coupled Transmission Linesp. 144
Optimum Second-Order Hybridsp. 146
A 50-150-MHz Second-Order Hybridp. 150
Higher-Order Symmetrical Optimum Hybridsp. 151
A 2-32-MHz First-Order Cascade Hybridp. 152
A 10-100-MHz Second-Order Cascade Hybridp. 154
A 10-100-MHz Approximate-Phase Hybridp. 157
A 1-300-MHz Approximate-Amplitude Hybrid Based on Phase Delay Networksp. 164
Conclusionp. 167
Referencep. 168
Special Topicsp. 169
Active Circuitsp. 169
Unequal Division and Nonquadrature Hybridsp. 181
Power Handlingp. 190
Graphical Techniques for Cascaded Couplersp. 192
A 50-550-MHz Hybrid with Sections of Different Topologyp. 196
Conclusionp. 201
Referencesp. 202
Glossaryp. 203
Bibliographyp. 207
About the Authorp. 211
Indexp. 213
Table of Contents provided by Ingram. All Rights Reserved.

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