You get a bonus - 1 coin for daily activity. Now you have 1 coin

Devices for the reception and processing of radio signals, Transmission, reception and processing of signals

All lectures: All lectures at the Academy of Intelligence on the discipline: devices for the reception and processing of radio signals, transmission, reception and processing of signals. These fascinating lectures provide us with the opportunity to explore the deep principles and phenomena underlying our knowledge and our desire to understand the world.
1. Basic concepts and definitions in the field of communication
2. Generalized block diagram of a communication system
3. Main characteristics of telecommunication signals
4. 3.4 Channels of telecommunication
5. 3.5 General information about communication networks
6. 4.1 Radio Signal Models
7. 4.2 Harmonic analysis and signal synthesis
8. 4.3 Primary telecommunication signals
9. 4.4 Radio interference. Interference protection
10. 5.1 General information about modulation Types of modulation of the received signal
11. 5.2 Amplitude Modulation
12. 5.3 Frequency Modulation
13. 5.4 Phase Modulation
14. 5.5 Pulse sequence modulation (pulse modulation)
15. 6.1 Radio Wave Overview
16. 6.2 Physical characteristics of the propagation medium of radio waves
17. 6.3 Features of the propagation of radio waves of different ranges
18. 7.1 Antenna-feeder devices
19. 7.2 Radio receivers
20. 7.3 Radio transmitting devices
21. 8.1 Radio relay communication systems
22. 8.2 Satellite communication systems. General information
23. 8.3 Main characteristics of satellite communication systems
24. 8.4 Satellite services
25. 9.1 Physical Basics of Optical Image Transmission
26. 9.2 Block diagram of the black-and-white image transmission system
27. 9.3 Transferring color images
28. 10.1 Personal Radio Call Systems
29. 10.2 Professional Mobile Radio
30. 10.3 Cellular mobile systems
31. 10.4 Cordless telephone systems
32. 11.1 standardization organizations in communication
33. Classification of radio receivers
34. Detector receivers
35. Regenerative Radios
36. Superregenerative radio receivers (superregenerators)
37. Direct Gain Receivers
38. Superheterodyne receivers
39. Infrared receivers
40. Range of working frequencies of radio receivers
41. Radio dynamic range
42. Sensitivity of the receiving device
43. Radio receiver selectivity (by adjacent channel and by side receiving channels) Multi-signal selectivity
44. Fidelity to play messages
45. Noise immunity
46. Electromagnetic Compatibility (EMC)
47. The receptivity of the receiver to external influences
48. Receiver power
49. The main structural and operational characteristics of the receivers.
50. The main ergonomic indicators of the receiver
51. The main production and economic characteristics of the receiver
52. Internal noise of radio reception and processing devices
53. Receiver noise figure
54. The noise temperature of the quadrupole
55. Noise sensitivity PRRU (real)
56. Block diagram of the input circuit of the receiver
57. Classification of input circuit receiving devices
58. The main characteristics of the input circuit of receiving devices
59. Tuning receiver in the frequency range
60. Generalized equivalent circuit of a single-loop input receiving device
61. Transfer ratio in complex form
62. The resulting parameters of the input circuit
63. Resonance gain
64. input device noise figure and input device noise figure
65. Input circuits when working with an unconfigured antenna. General information
66. Input circuit with a transformer coupling receiver
67. Input circuit with capacitive coupling receiver
68. Input circuits when working with tuned antennas. General information
69. Transformer Coupled Input Receiver
70. Radio input device with autotransformer connection
71. Receiver input circuit with electronic tuning
72. Purpose and main characteristics of radio amplifiers
73. Resonant Amplifier Circuits
74. General analysis of the resonant amplifier
75. The influence of the internal OS on the properties of the resonant amplifier
76. Condition of stable operation of the amplifier
77. Methods for increasing the stability of resonant amplifiers
78. General information about frequency converters
79. General theory of frequency conversion
80. Frequency response of the frequency converter
81. Schumann Resonance (Schumann resonance)
82. Synchrodin (superheterodyne with zero IF) and the principle of operation of this receiver, Radio direct conversion
83. Direct gain receiver
84. Superheterodyne receiver
85. Double frequency conversion superheterodyne receiver
86. Selection of the architecture of the main signal receiving path. Types of receivers
87. Automatic adjustment schemes. Apch system (automatic frequency control) radar (Radar station)
88. Automatic adjustment circuits Automatic gain control (AGC)
89. Demodulators. 1. Amplitude detectors
90. Demodulators.2 Phase Detectors
91. Demodulators 3 Frequency Detector
92. Demodulators 4 Demodulators of digital modulation types
93. Intermediate Frequency Amplifiers (UHF) 1. Main Selectivity Filters
94. Intermediate frequency amplifiers. 2 Linear Amplifiers
95. Intermediate frequency amplifiers. 3 Amplifier of the second intermediate frequency for angular modulation types (amplifier-limiter)
96. Input circuits. 1 Duplex radio stations
97. Input circuits. 2 Input siders
98. Input circuits. 3 receiver input filter
99. Input circuits. 4 RF amplifiers
100. Mixers 1. Mixer parameters (frequency converter)
101. Mixers 2 Principle of operation of the mixer (frequency converter)
102. Mixers 3 diode mixer
103. Mixers 4 Balanced Mixers
104. Mixers 5 Ring mixers (frequency converters)
105. Mixers 6 transistors mixers
106. Mixers 7 Mixers with mirror channel suppression
107. Heterodyne 1 parameters of the local oscillators
108. The local oscillators 2 oscillator circuit generators
109. Heterodyne 3 Features of quartz oscillator frequency stabilization
110. Heterodyne 4 Reference Generators
111. Heterodyne 5 frequency synthesizers
112. Software-defined radio
Complain