Nonlinear Microwave and RF Circuits

604 Pages·2004·4.29 MB·English

Nonlinear Microwave and RF Circuits
Second Edition
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Nonlinear Microwave and RF Circuits
Second Edition
Stephen A. Maas
Artech House
Boston • London
www.artechhouse.com
LibraryofCongressCataloging-in-PublicationData
Maas,StephenA.
NonlinearmicrowaveandRFcircuits/StephenA.Maas.—2nded.
p.cm.
Rev.andupdateded.of:Nonlinearmicrowavecircuits,1988andreprintedin1997.
Includesbibliographicalreferencesandindex.
ISBN1-58053-484-8(alk.paper)
1.Microwavecircuits. I.Maas,StephenA.Nonlinearmicrowavecircuits.II.Title.
TK7876.M2842003
621.381'32—dc21 2002043664
BritishLibraryCataloguinginPublicationData
Maas,StephenA.
NonlinearmicrowaveandRFcircuits.—2nded.—(Artech
Housemicrowavelibrary)
1.Microwavecircuits2.Radiocircuits 3.Electronicnetworks,
Nonlinear
I.Titles
621.3'8132
ISBN1-58053-484-8
CoverdesignbyGaryRagaglia
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InternationalStandardBookNumber:1-58053-484-8
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10987654321
Thisisasamplededication

Contents
Preface xix
Chapter 1 Introduction, Fundamental Concepts, and Definitions 1
1.1 Linearity and Nonlinearity 1
1.2 Frequency Generation 4
1.3 Nonlinear Phenomena 13
1.3.1 Harmonic Generation 13
1.3.2 Intermodulation Distortion 14
1.3.3 Saturation and Desensitization 14
1.3.4 Cross Modulation 15
1.3.5 AM-to-PM Conversion 15
1.3.6 Spurious Responses 16
1.3.7 Adjacent Channel Interference 16
1.4 Approaches to Analysis 17
1.4.1 Load Pull 17
1.4.2 Large-Signal Scattering Parameters 18
1.4.3 Time-Domain (Transient) Analysis 19
1.4.4 Frequency-Domain Methods 19
1.4.5 The Quasistatic Assumption 20
vii
viii Nonlinear Microwave and RF Circuits
1.5 Power and Gain Definitions 21
1.6 Stability 26
Reference 27
Chapter 2 Solid-State Device Modeling for Quasistatic Analysis 29
2.1 Nonlinear Device Models 29
2.2 Nonlinear Lumped Circuit Elements and
Controlled Sources 31
2.2.1 The Substitution Theorem 33
2.2.2 Large-Signal Nonlinear Resistive Elements 34
2.2.3 Small-Signal Nonlinear Resistive Elements 35
2.2.4 Large-Signal Nonlinear Capacitance 38
2.2.5 Small-Signal Nonlinear Capacitance 39
2.2.6 Relationship Between I/V, Q/V and G/V, C/V
Expansions 41
2.2.7 Multiply Controlled Nonlinear Capacitors 43
2.2.8 Nonlinear Inductance 47
2.3 Numerical and Human Requirements for Device
Models 48
2.3.1 Continuous Derivatives in I/V or Q/V
Expressions 48
2.3.2 Accuracy of Derivatives 49
2.3.3 Range of Expressions 49
2.3.4 Transient-Analysis Models in Harmonic-
Balance Analysis 50
2.3.5 Matrix Conditioning 50
2.3.6 Limiting the Range of Control Voltages 51
2.3.7 Use of Polynomials 52
2.3.8 Loops of Control Voltages 53
2.3.9 Default Parameters 53