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Microwave Tubes : Microwave Library - A. S. Gilmour

Microwave Tubes

Microwave Library

Hardcover Published: 19th December 1986
ISBN: 9780890061817
Number Of Pages: 504

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Introductionp. 1
Referencesp. 7
Microwavesp. 9
Propagation Characteristicsp. 10
Skin Effectp. 13
Coaxial Lines and Waveguidesp. 15
Coaxial Linesp. 16
Waveguidesp. 20
Modesp. 25
Transmission-Line Effectsp. 27
The Smith Chartp. 31
Impedance Matchingp. 35
Resonant Cavitiesp. 37
Referencesp. 39
Vacuum Techniquesp. 41
Units of Measurementp. 41
Ranges of Operationp. 42
Gas Density and Mean Free Path Lengthp. 43
Fundamentals of Vacuum Systemsp. 45
Pumping Techniquesp. 49
Sliding Vane Rotary Pumpp. 49
Diffusion Pumpp. 53
Turbomolecular Pumpp. 56
Adsorption Pumpp. 56
Ion Pumpp. 59
Gettersp. 62
Vacuum Measuring Techniquesp. 67
Thermocouple Gaugep. 68
Ionization Gaugep. 68
Microwave Tube Materialsp. 69
Fabrication Techniquesp. 76
Referencesp. 84
Magnetic Focusingp. 85
Electromagnetsp. 86
Solenoidsp. 86
Permanent Magnetsp. 91
Diamagnetismp. 91
Paramagnetismp. 91
Ferromagnetic Materialsp. 91
Characteristics of Ferromagnetic Materialsp. 92
Energy Productp. 97
Permanent-Magnet Configurationsp. 101
Referencesp. 105
Cathodesp. 107
Thermionic Emissionp. 108
Schottky Effectp. 112
Field Emissionp. 115
Space-Charge Effectp. 116
Evolution of Thermionic Cathodesp. 122
Impregnated Dispenser Cathode Operationp. 128
Life Considerationsp. 130
Dispenser Cathode Surface Physicsp. 133
Secondary Emissionp. 135
Referencesp. 139
Electron Guns for Linear-Beam Tubesp. 141
Pierce Gunsp. 141
Pierce Electrodesp. 141
Convergent Flowp. 143
Anode Aperturep. 148
Beam Minimump. 152
Beam Control Electrodesp. 156
Gridsp. 156
Control Focus Electrodesp. 160
Modulating Anodep. 160
Summary of Beam Control Electrode Characteristicsp. 161
Referencesp. 162
Electron Beams for Linear-Beam Tubesp. 163
Focusing with a Shielded Cathodep. 164
Brillouin Flowp. 165
Scallopingp. 167
Confined Flow Focusingp. 176
Periodic-Permanent-Magnet Focusingp. 179
Ion Effects in Electron Beamsp. 181
Effect on Emissionp. 182
Oscillationsp. 182
Referencesp. 188
Gridded Tubesp. 191
Triodes and Tetrodesp. 191
Klystrodesp. 196
Referencesp. 200
Klystronsp. 201
The Invention of the Klystronp. 204
Cavity Resonatorsp. 205
Velocity Modulationp. 209
RF Current Generation in a Cavityp. 214
Velocity Modulation with Space-Charge Forcesp. 215
Plasma Frequency Reductionp. 217
Velocity Modulation of a Brillouin Beamp. 219
Klystron Amplifiersp. 227
Tuningp. 229
Gain Characteristicsp. 233
Reflex Klystronsp. 235
Referencesp. 238
Traveling Wave Tubesp. 241
The Invention of the Traveling Wave Tubep. 241
Traveling Wave Interactionp. 242
Analysis of Traveling Wave Interactionp. 246
Synchronous Casep. 248
Velocities Other Than Synchronousp. 251
Effect of Lossp. 252
Effects of Space Chargep. 254
Large-Signal Effectsp. 256
Attenuators and Seversp. 258
The Dispersion Curvep. 261
Helix TWTsp. 267
Helix Bandwidthp. 269
Transitionsp. 275
Helix Support Techniquesp. 278
MM-Wave Helix TWTsp. 282
High-Power Operationp. 283
Ring-Bar TWTsp. 287
Helix BWOsp. 291
Dual-Mode Operationp. 293
Coupled Cavity TWTsp. 295
Fundamental Forward-Wave Operationp. 296
Fundamental Forward-Wave Circuitsp. 298
Fundamental Backward-Wave Operationp. 301
Fundamental Backward-Wave Circuitsp. 302
Analytical Considerationsp. 305
Terminations and Transitionsp. 309
Referencesp. 312
Hybrid Tubesp. 315
Extended Interaction Klystron (EIK)p. 315
Extended Interaction Oscillator (EIO)p. 317
Twystronsp. 321
Referencesp. 323
Efficiency Enhancement in Linear-Beam Tubesp. 325
Power Flowp. 325
Depressed Collectorsp. 328
Multistage Depressed Collectorsp. 332
Circuit Efficiencyp. 340
Referencesp. 345
Crossed-Field Tubesp. 347
History of the Magnetronp. 347
Magnetronsp. 349
Electron Motionp. 349
Cavity Structurep. 352
Electron Interactionp. 355
Modingp. 358
Coaxial Magnetronsp. 365
Inverted Magnetronsp. 367
Magnetron Tuningp. 368
Cathode and Heater Operationp. 374
Performancep. 376
Crossed-Field Amplifiersp. 380
Distributed-Emission CFAsp. 380
CFA Emissionp. 383
DC Operationp. 384
Slow-Wave Circuitsp. 386
Voltage-Current Characteristicsp. 388
CFA Performancep. 390
CFA Phase Characteristicsp. 400
Thermal Considerationsp. 402
M-Type Backward-Wave Oscillatorsp. 407
Voltage-Tunable Magnetronsp. 410
Referencesp. 413
Fast Wave Tubesp. 415
Ubitronsp. 416
Peniotronsp. 418
Gyrotronsp. 420
Gyrotron Oscillatorsp. 425
Gyroklystronsp. 430
Gyro-TWTsp. 431
Referencesp. 434
Breakdown and Protectionp. 437
Field Enhancementp. 439
DC Breakdown in Gasesp. 443
RF Breakdown in Gasesp. 451
DC Breakdown in Vacuump. 463
RF Breakdown in Vacuump. 474
Insulator Flashoverp. 475
Referencesp. 480
Concluding Remarksp. 481
Indexp. 483
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780890061817
ISBN-10: 0890061815
Series: Microwave Library
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 504
Published: 19th December 1986
Publisher: Artech House Publishers
Country of Publication: US
Dimensions (cm): 22.9 x 15.2  x 3.1
Weight (kg): 0.93