Intro -- Microwave Circulator Design Second Edition -- Contents -- Preface -- Acknowledgments -- 1 Theory of Operation -- 2 Circulator Specification -- 3 Applications of Circulators -- 4 Material Selection -- 5 Electrical Design -- 6 Magnetic Design -- 7 Mechanical Design -- 8 Assembly and Testing -- 9 Tuning -- 10 Design Examples -- List of Symbols -- Frequently Used Equations -- About the Author -- Index -- 1.1 Units, Conversions, and Symbols -- 1.2 The Physical Basis of Ferrimagnetism -- 1.3 Ferrimagnetic Resonance -- 1.4 Microwave Propagation in Ferrites -- 1.5 Other Technologies -- References -- 2.1 The Parameters -- 2.2 Reflections and Segmentation -- 2.3 Junction Circulators -- 2.4 Lumped- Constant Circulators -- 2.5 Differential Phase Shift Circulators -- 2.6 Switching Circulators -- 2.7 Okada Circulators -- 2.8 Field- Displacement Isolators -- 2.9 Resonance Isolators -- References -- 3.1 Load Isolation -- 3.2 Duplexing -- 3.3 Multiplexing -- 3.4 Parametric Amplifiers -- 3.5 Phase Shifting -- References -- 4.1 Ferrites -- 4.2 Magnet Selection -- 4.3 Magnetic Compensating Material Selection -- 4.4 Dielectric Selection -- 4.5 Metals Selection -- References -- 5.1 Junction Circulators -- 5.2 Lumped- Constant Circulators -- 5.3 Differential Phase Shift Circulators -- 5.4 Resonance Isolators -- 5.5 Dummy Loads for Isolators -- 5.6 Temperature Effects -- 5.7 Intermodulation Distortion -- 5.8 RF Power Effects -- References -- 6.1 Magnet Sizing -- 6.2 Shielding -- 6.3 Temperature Compensation -- 6.4 Completing the Circuit -- 6.5 Special Cases -- References -- 7.1 Thermal Considerations -- 7.2 Venting -- 7.3 Coaxial Junction Circulators -- 7.4 Lumped-Constant Circulators -- 7.5 Waveguide Circulators -- 7.6 Resonance Isolators -- References -- 8.1 Assembly Techniques -- 8.2 Testing -- References.

9.1 Interaction Between Magnetic and Eletrical Adjustments -- 9.2.1 Above-Resonance Magnetic Adjustment -- 9.2.2 Below-Resonance Magnetic Adjustment -- 9.2.3 Magnet Charging, Calibration, and Stabilization -- 9.3 Electrical Adjustment -- 9.4 Eigenvalue Evaluation -- References -- 10.1 Introduction to Examples -- 10.2 Above-Resonance Stripline Junction Circulator -- 10.3 Below-Resonance Stripline Junction Circulator -- 10.4 Waveguide Junction Circulator -- 10.5 Microstrip Circulator -- 10.6 Differential Phase Shift Circulator -- 10.7 Lumped-Constant Circulator -- Reference -- 1.5.1 Semiconductor Circulators -- 1.5.2 Nanotechnology Circulators -- 1.5.3 Thin Ferrite Films -- 1.5.4 Active Circulators -- 2.3.1 Single- Ferrite (Non- Composite) Junction Circulators -- 2.3.2 Composite- Ferrite Junction Circulators -- 4.1.1 Ferrite Classes -- 4.1.2 Ferrite Manufacturing -- 4.1.3 Design Considerations -- 4.1.4 Test Methods -- 4.1.5 Specifications -- 4.1.6 Temperature Effects -- 4.1.7 Ferrite Selection -- 5.1.1 Basic Principles -- 5.1.2 Historical Papers -- 5.1.3 Above- Resonance Approximations -- 5.1.4 Below- Resonance Approximations -- 5.1.5 Network Synthesis -- 5.1.6 Center Conductor Geometries -- 5.1.7 Waveguide Junction Geometries -- 5.1.8 Stripline Circulator Synthesis Algorithm -- 5.1.9 Microstrip Circulator Synthesis Algorithm -- 5.1.10 Waveguide Junction Circulator Synthesis Algorithm -- 5.1.11 Okada Circulators -- 5.1.12 Circulators Having Composite Ferrites -- 5.8.1 Steady- State Thermal Effects -- 5.8.2 Transient Thermal Effects -- 5.8.3 Voltage Breakdown -- 5.8.4 Spin- Wave Instability -- 6.1.1 Ferrite Demagnetization Factors -- 6.1.2 Leakage Flux Approximation -- 6.1.3 Approximate Design of Magnetic Circuits -- 6.1.4 Simulation of Magnetic Circuits -- 6.5.1 Switching Circulators -- 6.5.2 Self-Biased Circulators -- 7.1.1 Stripline Power Handling.

7.1.2 Power Dissipation in Ferrites -- 7.1.3 Cooling of Ferrites -- 7.3.1 Packaging Techniques -- 7.3.2 Dimensional Tolerances -- 7.3.3 Controlling Cavity Resonances -- 7.3.4 Transitions -- 7.3.5 RFI Control -- 8.2.1 Finding the Operating Point -- 8.2.2 Taking Data -- 8.2.3 RF Power Testing -- 8.2.5 Multipaction Testing -- 8.2.6 Magnetic Moment Measurement -- 8.2.7 Measurement Uncertainty and Gauge Studies.