Fundamentals of Television Engineering

FUNDAMENTALS OF TELEVISION ENGINEERING
CONTENTS
PREFACE
PHYSICAL PRINCIPLES OF TELEVISION
1. Light and Its Characteristics
3. Television Transmission
ELEMENTS OF ELECTRONIC OPTICS
4. Motion of Electrons in Electric Field
5. Electrostatic Focus
6. Motion of Electrons in Magnetic Field
7. Electromagnetic Focus
8. Control of Electron Beam Deflection
CAMERA TUBES
9. Photoeffect
10. Secondary Electron Emission
11. Iconoscope
12. Image Iconoscope
n/ 14. Vidicon
TELEVISION PICTURE TUBES
15. General
16. Picture Tube Bulbs
17. Picture Tube Screens
18. Modulation Characteristic of Picture Tube
19. Ion Spot
20. Main Types of Picture Tubes
SCANNING
21. Progressive Scanning
Z
22. Bandwidth of Picture Signal in Progressive Scanning
_Wf
24. Frequency Spectrum of Picture Signal in Interlaced Scanning
25. USSR Television Standard
26. Television Test Chart
COMPOSITE VIDEO SIGNAL
27. Picture Signal
28. D-c Component of Picture Signal
29. Structure of Line-Sync Pulses
30. Structure of Field-Sync Pulses
31. Main Parameters of Composite Video Signal
TRANSMISSION AND RECEPTION / OF TELEVISION SIGNALS
32. Wave Band Used for Television Transmissions
33. Television Signal Frequency Band
34. Equipment of Television Broadcasting Station
35. Block-Diagram of Television Transmitter
36. General Block-Diagram of Receiver
37. Block-Diagram of Tuned Radio-Frequency Receiver
38. Block-Diagram of Split-Sound Superheterodyne Receiver
39. Block-Diagram of Intercarrier Sound Superheterodyne
Receiver
SCANNING OSCILLATORS
40. Generation of Saw-Tooth Voltages
Va^Ea — IaRa
41. Generation of Saw-Tooth Currents
42. Generation of Saw-Tooth Pulse Voltages
43. Application and Operation of Blocking Oscillator
44. Synchronization of Blocking Oscillator
45. Blocking Oscillator with Positive Grid
46. Shock-Excited Blocking Oscillator
47. Cathode-Coupled Multivibrator
OUTPUT STAGES OF SCANNING OSCILLATORS
48. Vertical Scanning Unit
49. Vertical Output Stage with Direct Coupling
50. Vertical Output Stage with Output-Transformer Coupling
51. Correction of Voltage Saw-Tooth Waveform in Vertical Scanning Unit
52. Simplified Circuit Diagram of Vertical Scanning Stage
53. Output Stage of Horizontal Scanning Unit
54. Damping of Parasitic Oscillations in Horizontal Deflection Coils
55. Horizontal Output Stage with Power Feedback
56. Horizontal Size and Linearity Control
57. Practical Circuit Arrangement of Horizontal Scanning
V =2V
SYNCHRONIZATION OF SCANNING OSCILLATORS
59. Amplitude Separators Employing Triodes and Pentodes
113
60. Separation of Vertical and Horizontal Sync Pulses
61. Practical Circuit Arrangement of Sync Pulse Separation
62. Interference Elimination in Horizontal Scanning Oscillators
63. Parameters and Properties of Television Aerials
64. Simple Aerial with Low Directivity Factor
65. Yagi Aerial
66. Communal Aerials
67. Peculiarities of Television Reception
HIGH-FREQUENCY UNIT OF TELEVISION RECEIVER
68. Input Circuits of Television Receivers
69. High-Frequency Amplifiers
70. Heterodyne and Mixer
71. Television Program Selector Unit
INTERMEDIATE-FREQUENCY AMPLIFIERS OF PICTURE SIGNAL
72. Separation of Picture and Sound Intermediate-Frequency
73. I-f Amplifier Circuits
p ^str{ ^str2
Ct = Ct + Cstr
/.= ,L=r
74. I-f Amplifier Frequency Characteristic Control
DETECTION OF TELEVISION SIGNALS
75. Video Signal Detectors
76. Specific Features of Video Detector Operation
VIDEO AMPLIFIERS
77. General
78. Signal Distortion in Amplifiers
79. The Amplifier Transfer Characteristic
t
80. Video Amplifier
fl,o-
81. Amplification Property of Valve
1
V Xl + Rl
Voai =
Vout _ vRa Re
Vin Vin y X2C + R*
V Xl + Rl
yT’ V£
2nfi.cocg
82. Amplifiers with Frequency Compensation
169
83. Transmission of D-c Component of Picture Signal
84. Automatic Gain Control
SOUND CHANNEL OF TELEVISION RECEIVER
85. General
86. Amplitude Limiters
87. Frequency Detectors
v^+vi
Vn^ + Vl
88. Sound L-f Amplifiers
COLOUR TELEVISION
89. General
90. Colour Vision
92. Simultaneous System of Colour Television
93. Picture Tube with Shadow Mask
94. Colour Television Signals
96. Colour Television Peculiarities
INDEX