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Analysis and Design of Integrated Circuit– Antenna Modules Analysis and Design of Integrated Circuit–Antenna Modules. Edited by K.C. Gupta, Peter S. Hall Copyright 2000 John Wiley & Sons, Inc. ISBNs: 0-471-19044-6 (Hardback); 0-471-21667-4 (Electronic)

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  • Analysis and Designof Integrated CircuitAntenna Modules

    Analysis and Design of Integrated CircuitAntenna Modules.Edited by K.C. Gupta, Peter S. Hall

    Copyright 2000 John Wiley & Sons, Inc.ISBNs: 0-471-19044-6 (Hardback); 0-471-21667-4 (Electronic)

  • Analysis and Designof Integrated CircuitAntenna Modules

    Edited by

    K. C. GUPTAUniversity of Colorado

    PETER S. HALLUniversity of Birmingham

    A WILEY-INTERSCIENCE PUBLICATION

    JOHN WILEY & SONS, INC.

    NEW YORK/CHICHESTER /WEINHEIM /BRISBANE /SINGAPORE /TORONTO

  • Designations used by companies to distinguish their products are often claimed as trademarks. In all

    instances where John Wiley & Sons, Inc., is aware of a claim, the product names appear in initial capital or

    ALL CAPITAL LETTERS. Readers, however, should contact the appropriate companies for more complete

    information regarding trademarks and registration.

    Copyright # 2000 by John Wiley & Sons, Inc. All rights reserved.

    No part of this publication may be reproduced, stored in a retrieval system or transmitted in any

    form or by any means, electronic or mechanical, including uploading, downloading, printing,

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    United States Copyright Act, without the prior written permission of the Publisher. Requests

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    E-Mail: PERMREQ @ WILEY.COM.

    This publication is designed to provide accurate and authoritative information in regard to the

    subject matter covered. It is sold with the understanding that the publisher is not engaged in

    rendering professional services. If professional advice or other expert assistance is required, the

    services of a competent professional person should be sought.

    ISBN 0-471-21667-4

    This title is also available in print as ISBN 0-471-19044-6.

    For more information about Wiley products, visit our web site at www.Wiley.com.

  • Contributors

    Eric W. Bryerton, Department of Electrical and Computer Engineering,University of Colorado at Boulder, Campus Box 425, Boulder, CO 80309-0425

    Jacques Citerne, LCST, INSA Rennes, CNRS UPRES A6075, 20 Avenue desButtes de Coesmes, 3043 Rennes, France

    Martin J. Cryan, Dipartimento di Ingegneria Electtronica e dellInformazione,Universita` degli Studi di Perugia, Perugia, Italy

    Mhamed Drissi, LCST, INSA Rennes, CNRS UPRES A6075, 20 Avenue desButtes de Coesmes, 3043 Rennes, France

    Vincent F. Fusco, Department of Electrical and Electronic Engineering,Queens University of Belfast, Ashby Building, Stranmillis Road, BelfastBT7 1NN, UK

    Hooshang Ghafouri-Shiraz, School of Electronic and Electrical Engineering,The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK

    Raphael Gillard, LCST, INSA Rennes, CNRS UPRES A6075, 20 Avenue desButtes de Coesmes, 3043 Rennes, France

    K. C. Gupta, Department of Electrical and Computer Engineering, Universityof Colorado at Boulder, Campus Box 425, Boulder, CO 80309-0425

    Peter S. Hall, School of Electronic and Electrical Engineering, The Universityof Birmingham, Edgbaston, Birmingham B15 2TT, UK

    Tatsuo Itoh, Center for High Frequency Electronics, Department of Elec-tronics, Department of Electrical Engineering, 405 Hilgard Avenue, Universityof California, Los Angeles, CA 90095

    Rajan P. Parrikar, Space Systems=LORAL, 3825 Fabian Way, Palo Alto, CA94303

    Zoya Popovic, Department of Electrical and Computer Engineering, Univer-sity of Colorado at Boulder, Boulder, CO 80309-0425

    Yongxi Qian, Center for High Frequency Electronics, Department of Elec-tronics, Department of Electrical Engineering, 405 Hilgard Avenue, Universityof California, Los Angeles, CA 90095

    v

  • Wayne A. Shiroma, Department of Electrical Engineering, 2540 Dole Street,University of Hawaii, Honolulu, HI 96822

    Lawrence R. Whicker, LRW Associates, P.O. Box 2530, Matthews, NC 28106

    Robert A. York, Department of Electrical Engineering, University of Califor-nia, Santa Barbara, CA 93106

    vi CONTRIBUTORS

  • Contents

    1 Introduction 1

    Peter S. Hall and K. C. Gupta

    1.1 Development of CircuitAntenna Modules 1

    1.2 Terminology Used in CircuitAntenna Modules 3

    1.3 Applications of CircuitAntenna Modules 4

    1.4 Glossary of CircuitAntenna Module Types 6

    1.5 Levels of Integration 6

    1.6 The Design Process 14

    1.7 Analytical Outcomes and CircuitAntenna Module Performance

    Parameters 16

    1.8 Overview of the Book 17

    References 20

    2 Review of the CAD Process 23

    K. C. Gupta and Peter S. Hall

    2.1 The Design Process 23

    2.2 CAD for Microwave Circuits 29

    2.3 CAD for Printed Microwave Antennas 47

    2.4 CAD Considerations for Integrated CircuitAntenna Modules 61

    2.5 Summary 67

    References 67

    3 Circuit Simulator Based Methods 72

    Peter S. Hall, Vincent F. Fusco, and Martin J. Cryan

    3.1 Introduction to Equivalent Circuit Simulation 72

    3.2 Linear Simulation Using Equivalent Circuit Models 83

    3.3 Nonlinear Simulation Using Equivalent Circuit Models 97

    3.4 Conclusions 116

    References 117

    vii

  • 4 Multiport Network Method 121

    K. C. Gupta and Rajan P. Parrikar

    4.1 Introduction: Network Modeling of Antennas 121

    4.2 Multiport Network Model (MNM) for Microstrip Patches 122

    4.3 MNM for Two-Layer Microstrip Antennas 147

    4.4 MNM for Integrated CircuitAntenna Modules 161

    4.5 Summary and Remarks 167

    References 168

    5 Full Wave Analysis in the Frequency Domain 172

    Raphael Gillard, Mhamed Drissi, and Jacques Citerne

    5.1 Introduction 172

    5.2 Lumped Elements in the Method of Moments 174

    5.3 Analysis of Active Linear Circuits and Antennas 189

    5.4 Extension of the Approach to Nonlinear Devices 211

    5.5 Conclusion 217

    References 219

    6 Full Wave Electromagnetic Analysis in the Time Domain 222

    Yongxi Qian and Tatsuo Itoh

    6.1 Introduction 222

    6.2 FDTD Fundamentals and Implementation Issues 224

    6.3 FDTD Analysis of Passive Circuits and Antennas 241

    6.4 Extended FDTD for Active Circuits and Integrated Antennas 249

    References 256

    7 Phase-Locking Dynamics in Integrated Antenna Arrays 259

    Robert A. York

    7.1 Introduction 259

    7.2 Systems of Coupled Oscillators 260

    7.3 Scanning by Edge Detuning 272

    7.4 Externally Locked Arays 280

    7.5 Phase Noise in Oscillator Arrays 283

    7.6 PLL Techniques 291

    7.7 Perspective 295

    Appendix: Kurokawas Substitution 296

    References 298

    viii CONTENTS

  • 8 Analysis and Design of Oscillator Grids and Arrays 301

    Wayne A. Shiroma, Eric W. Bryerton, and Zoya Popovic

    8.1 Introduction 301

    8.2 Full-Wave Modeling of Planar Grids 304

    8.3 Grid Oscillator Analysis 308

    8.4 Synthesis of the Optimum Grid Equivalent Circuit 314

    8.5 Benchmarking Grid Oscillator Performance 317

    8.6 Optimizing Grid Performance 320

    8.7 Oscillator Design Using Power Amplifier Techniques 323

    8.8 Conclusion 328

    References 330

    9 Analysis and Design Considerations for Monolithic MicrowaveCircuit TransmitReceive (TR) Modules 333

    Lawrence R. Whicker

    9.1 Introduction 333

    9.2 Present Developments on Active TR Modules 341

    9.3 TR Module Design Considerations 342

    9.4 Present Trends and Future Directions 350

    References 357

    10 Integrated TransmitReceive CircuitAntenna Modules forRadio on Fiber Systems 358

    Hooshang Ghafouri-Shiraz

    10.1 System Requirements for Radio on Fiber 359

    10.2 Optical Generation of Millimeter-Wave Signals 360

    10.3 Optical Detection of Millimeter-Wave Signals 369

    10.4 New Configurations for Radios on Fiber Systems 372

    10.5 Design of DiplexerAntenna Unit 375

    10.6 PhotoHBTPatch Antenna Integration 386

    10.7 RF TransmitReceive Module for the Radio on Fiber System 394

    10.8 Summary and Concluding Remarks 404

    References 407

    11 Conclusions 410

    Peter S. Hall and K. C. Gupta

    11.1 Introduction 410

    11.2 Overview of Analytical Methods 411

    11.3 The Future 415

    References 416

    Index 419

    CONTENTS ix

  • Preface

    The latest breakthrough in the continuing miniaturization of electronic systems is

    made possible by the integration of circuit functions and radiating elements into

    single modules. In a typical system implementation, electronic circuits and antenna

    subsystems are often provided by different equipment vendors. Traditionally,

    electronic circuits and antenna systems have been designed by different groups of

    designers using different types of design tools, working independently on either side

    of a well-defined interface, very often with very little interaction. This approach

    leads to separately packaged circuit and antenna subsystems, connected by appro-

    priate cables or waveguides.

    Integration of circuits and antennas into single modules has been made possible

    by the common technological features of radio frequency (RF) and microwave

    circuits and printed microstrip antennas. The basic microstrip technology used for

    the design of microstrip lines and other planar transmission structures (used

    extensively in hybrid and monolithic microwave integrated circuits) has been the

    cornerstone for the development of microstrip antennas. Using the commonality in

    technology to combine circuit and antenna functions in single modules represents a

    significant step in further miniaturization of RF and microwave modules for a variety

    of applications including active phased arrays and wireless communication systems.

    So-called quasi-optic systems that are used by grid arrays to generate high powers at

    millimeter wavelengths are another important example. In several of these areas, the

    use of circuitantenna modules is sufficiently well developed that designers are now

    requiring computer based tools for analysis, synthesis, and simulation. The need for

    a book bringing these aspects together is thus apparent and we hope that this volume

    is a timely contribution.

    Traditionally, microwave circuit designers and antenna designers have used

    different types of design tools. However, the design of integrated circuitantenna

    modules calls for concurrent design of both the circuit and antenna functions. Such

    design requires a new set of design tools applicable to both domains or a hybrid

    combination of tools so far used separately for circuit and antenna designs.

    Analysis of circuitantenna modules requires an appreciation of the various

    analytical methods and their application, but also some understanding of the

    xi

  • technology types and their application. In addressing these two needs, it is necessary

    first to set the scene and to lay some foundation, then to give a detailed account of

    analytic methods, and finally to review some operational and technology types that

    have very specific and somewhat different analytical needs. This is the framework we

    have adopted in putting this book together. After the introductory chapter, the CAD

    process is reviewed. Four types of analysis methods are then described in detail.

    Although not exhaustive, these chapters are representative of the various methods

    currently being studied. Two chapters are then devoted to an analysis of very specific

    configurations, namely, injection locked oscillator arrays and grid based structures.

    The following two chapters indicate some important applications. They are devoted

    to monolithic based modules and modules incorporating optical control. The book is

    then drawn together in a concluding chapter.

    Chapter 1 serves to set the context of the analysis of circuitantenna modules.

    The development of such modules is described together with some explanation of

    the terminology currently used. A glossary of types is presented. This chapter aims

    to show the range of configurations currently being studied and to highlight the

    design challenges. The likely design parameters are then given, together with a

    review of the design process for which analysis tools have to be developed. Finally,

    an overview of the book chapters is given.

    In order to develop designs for integrated circuitantenna modules, an apprecia-

    tion of the computer-aided design process is necessary. Chapter 2 starts with a

    discussion of the design process in general. Conventional design, computer-aided

    design, and knowledge based design approaches are outlined. Separate CAD

    procedures for microwave circuits and printed microstrip antennas, as practiced

    conventionally, are described. Then the discussion converges on CAD considerations

    for integrated circuitantenna modules implemented at various levels of integration

    (nonintegrated, partially integrated, and fully integrated).

    Simulations based on equivalent circuit analysis methods can provide fast results

    with sufficient accuracy for first-pass designs. Chapter 3 gives an introduction to

    equivalent circuit modeling of circuits and antennas. Both linear and nonlinear

    simulations are described with examples including oscillating patch antennas,

    amplified patches, frequency doubling transponders, and oscillator locking.

    The multiport network method offers enhanced accuracy compared with simple

    equivalent circuit methods and can be integrated with active device models. Chapter

    4 introduces the concept of the multiport network model as developed for single-

    layer and two-layer microstrip patch antennas. Applications of the multiport network

    method to integrated circuitantenna modules are discussed.

    The field integral equation solved by the method of moments is now a well-

    established tool for antenna and passive circuit analysis. The inclusion of lumped

    elements has been described some time ago. In Chapter 5, the description is

    extended to nonlinear structures such as diodes and transistors, with results showing

    good agreement with measurements. The transmission line matrix (TLM) and the

    finite difference time domain (FDTD) method are two numerical techniques that

    overcome the need for the large matrix inversion necessary for the method of

    xii PREFACE

  • moments. Of the two, the FDTD method is extremely simple to implement and very

    flexible. Chapter 6 outlines the method and its extension to active integrated

    antennas.

    Injection locked integrated antenna arrays possess dynamic characteristics that

    are attractive for many applications, such as simple beam scanning and reduced

    phase noise. Their behavior cannot be easily analyzed using the above methods, so

    simplified equivalent circuit methods have to be used. In Chapter 7, the dynamic

    behavior is comprehensively described using such methods.

    Grid structures now offer the possibility of providing most of the functionality of

    transmitter and receiver components in a distributed array form with interconnec-

    tions by quasi-optical beams. The advantages are very efficient power combining,

    graceful degradation, increased dynamic range, and reduced noise figures. In

    Chapter 8, analysis using full wave methods combined with equivalent circuit

    device models is described. By way of example, oscillator synthesis and grid

    optimization are successfully performed.

    One of the major challenges for circuitantenna modules is the phased array

    element fabricated entirely in monolithic technology, in which the transceiver and

    antenna are both contained on the same chip. This poses what is perhaps the ultimate

    test of an analysis or simulation tool. To set the scene for further research and

    development in this area, the requirements for phased array modules are reviewed in

    Chapter 9. The coverage ranges from conventional phased arrays with separate

    transceiver and antenna to more recent integrated configurations.

    Circuitantenna modules can form a low cost component in the wireless local

    access into fiber optic based networks, to provide high capacity services to domestic

    or office users. Chapter 10 reviews this important application area and gives

    examples of the analysis challenges inherent in their design. One such challenge

    is the accurate design of filters for separation of the local oscillator from the signal,

    in the presence of the antenna. In this work the equivalent circuit based methods,

    described in Chapter 3, are used and the strengths and weaknesses of this approach

    are noted.

    A short chapter in which some conclusions are drawn completes the book. The

    current status of computer-aided design tools is summarized from the earlier

    chapters. Some thoughts on the likely future challenges that analysis will face are

    then given. The chapter concludes with comments on what now remains to be done

    to present designers with a full and flexible array of software to facilitate fast and

    accurate design.

    Recognition of the need for preparing a book on this topic emerged out of the two

    workshops on this subject organized by the two editors of this book and presented at

    the 1995 IEEE International Microwave Symposium in Orlando and the 1995 IEEE

    International Symposium on Antennas and Propagation held at Newport Beach.

    Both of these workshops were very well received and discussion brought out the

    need for making a book on the analysis and design of integrated circuitantenna

    modules available to a wider audience. The present book is the result of those

    suggestions.

    PREFACE xiii

  • This book results from the joint efforts of the sixteen contributors in eleven

    different institutions in the United States and Europe. A book on an emerging topic

    like integrated circuitantenna modules would not have been possible without such

    collaboration. We are grateful to colleagues and the administrations in these

    institutions for the support needed for such a project. Specifically, at the University

    of Colorado, we thank Ms. Ann Geesaman who very efficiently handled the

    administrative chores involved.

    K. C. GUPTAPETER S. HALL

    University of Colorado at BoulderUniversity of Birmingham, UK

    xiv PREFACE

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    Copyright 2000 John Wiley & Sons, Inc.ISBNs: 0-471-19044-6 (Hardback); 0-471-21667-4 (Electronic)

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    reduces to finding the patch dimensions and the location underneath the patch that

    will yield the desired value of impedance. The MNM approach provides both the

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    Table 4.3 shows the simulation results using MNM for a radiating patch to be

    designed for an oscillation frequency of 6 GHz using the characterization for a

    MA49139 Gunn diode in Fig. 4.41 for the configuration shown in Fig. 4.40. The

    width b of the patch is kept constant at 2 cm; the dielectric constant er 2:2 and thesubstrate height h 62 mils.

    From Table 4.3, it is seen that the location obtained from the simulation results is

    not centered around the patch width. Hitherto, the practice (using transmission line

    model) has been to center the Gunn diode along the patch width and then vary its

    FIGURE 4.41 Typical impedance characterization plot for Gunn diodes. (From MA-COMSemiconductor Products Master Catalogue, SP101, pp. 910, # 1988 M=A-COM; reprintedwith permission.)

    TABLE 4.3 Design Example Using MNM for GunnDiodePatch Integration

    Pout (mW) Zin (W) a (cm) x (cm) y (cm)

    100 25 j0 2.17 0.52 1.27600 15 j5 1.53 0.50 1.32

    4.4 MNM FOR INTEGRATED CIRCUITANTENNA MODULES 165

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