Fundamentals of Microwave Electronics (eBook)

Front Cover 1
Fundamentals of Microwave Electronics 6
Copyright Page 7
Table of Contents 8
FOREWORD TO THE ENGLISH EDITION 12
FOREWORD 28
INTRODUCTION 30
PART ONE: OSCILLATORY SYSTEMS USED AT MICROWAVE FREQUENCIES 34
CHAPTER I. SOME DATA ON OSCILLATORY SYSTEMS USED IN MICROWAVE ELECTRONICS 36
1. Introduction 36
2. Narrow-band oscillatory systems — Cavity resonators 36
3. Broad-band oscillatory systems — periodic delay networks 45
PART TWO: FUNDAMENTALS OF MICROWAVE ELECTRONICS 56
CHAPTER II. FUNDAMENTAL ELECTRONIC PHENOMENA AT MICROWAVE FREQUENCIES 58
4. General principles 58
5. Velocity modulation 59
6. Ballistic analysis of election bunching 63
7. Electron bunching in a field-free drift space 64
8. Electron bunching in a constant accelerating field 72
9. Electron bunching in a uniform retarding field 72
10. Cascade bunching of electrons 75
11. Bunching of an unmodulated electron beam in an alternating field 79
12. Electron bunching in a travelling wave of constant amplitude 82
13. Electron bunching in a travelling wave varying exponentially with distance 87
14. Electron bunching in a travelling wave with crossed electric and magnetic fields 91
15. Electron-wave analysis of bunching 98
CHAPTER III. ENERGY EXCHANGE BETWEEN AN ELECTRON BEAM AND AN ALTERNATING ELECTRIC FIELD 107
16. Basic equations 107
17. Calculation of the interaction power between an unmodulated electron beam and an alternating field 108
18. The retarding-field diode 112
19. Interaction between an electron beam and a travelling wave of constant amplitude 113
20. Interaction between an electron beam and a travelling wave varying exponentially with distance 119
21. Energy exchange between an electron beam and a travelling wavein crossed electric and magnetic fields 123
22. Differences between systems without constant fields ( O-type), and systems with constant crossed fields (M-type) 126
23. Interaction between a density-modulated electron beam and an alternating electric field 127
24. Electron-wave interaction between two electron streams 132
25. Electron-wave interaction in crossed electric and magnetic fields 138
26. Amplification of space-charge waves by varying the beam velocity 139
27. Amplification of space-charge waves when the electron beom moves through a resistive medium (Resistive amplification) 143
PART THREE: MICROWAVE ELECTRON DEVICES 146
CHAPTER IV. EQUIVALENT CIRCUITS OF MICROWAVE ELECTRON DEVICES AND THE FUNDAMENTAL PRINCIPLES ADOPTED IN ANALYSIS 148
28. Introduction 148
29. Equivalent circuit of narrow-band microwave devices 148
30. Analysis of broad-band microwave devices 151
CHAPTER V. MICROWAVE ELECTRON DEVICES WITH NARROW-BAND OSCILLATORY CIRCUITS 154
31. Two-resonator klystron amplifiers 154
32. Three-resonator klystrons 157
33. Klystron frequency multipliers 164
34. Two-resonator klystron oscillators 166
35. Buffer-klystron oscillators 172
36. Single-resonator drift-space klystrons 173
37. Travelling-wave klystrons 174
38. Reflex-klystron oscillatois 176
39. Reflex-klystron frequency multipliers 189
40. Electron-beam diodes 190
41. Magnetron oscillators 195
CHAPTER VI. MICROWAVE ELECTRON DEVICES WITH BROAD-BAND OSCILLATORY CIRCUITS 205
42. Introduction 205
43. Travelling-wave amplifiers 205
44. Travelling-wave tubes with resonant outputs 215
45. Magnetron amplifiers 216
46. Oscillators of the travelling-wave tube type 221
47. T.W.T. oscillators with internal feedback 223
48. T.W.T. oscillators with external feedback 228
49. Backward-wave T.W.T. oscillators — carcinotrons 232
50. O- and M-type backward-wave oscillators 235
51. Analysis of O-type backward-wave oscillators 237
52. Cascade bunching of electrons applied to the theory of backward wave oscillators 250
53. Analysis of M-type backward-wave oscillators 258
54. Carmatrons 265
55. Electron devices with E-type interaction 265
CHAPTER VII. MICROWAVE DEVICES WITH ELECTRON-WAVE INTERACTION 267
56. Twin-beam amplifiers (electron-wave tubes) 267
57. M-type electron-wave tubes 268
58. Voltage-jump amplifiers 269
59. Amplifiers based on the effects of resistance (resistive amplifiers) 269
60. Diocotron oscillators 271
61. Electron-wave oscillators with a retarding field 272
62. Mitrons 274
63. Strophotrons 275
BIBLIOGRAPHY 278
INDEX 282