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Synchronous detector
Lesson 25 of 79 • 17 upvotes • 12:20mins
Deepak Poonia
In this lesson , Deepak has explained about synchronous detector demodulation technique. He has also discussed the advantages and disadvantages of amplitude modulation.
Analog Communication System
79 lessons • 13h 54m
1
Overview: Analog Communication System
3:43mins
2
Basic Communication System
10:21mins
3
Need of Modulation
14:09mins
4
Multiplexing
10:03mins
5
Fourier transform
9:09mins
6
Band limiting process
11:44mins
7
Mathematical analysis of Modulation
14:59mins
8
Channel
10:09mins
9
Distortionless transmission
11:12mins
10
Equalisation
9:51mins
11
Non-linear distortion
9:23mins
12
Reasons for interference
8:56mins
13
Types of modulation
7:07mins
14
Amplitude modulation
10:08mins
15
Singletone and multitone modulation
9:14mins
16
Power distribution in AM signal
11:02mins
17
Modulation efficiency
8:46mins
18
Questions on power of AM signal
9:50mins
19
Multitone amplitude modulation
9:31mins
20
Power distribution in multitone AM signal
11:24mins
21
Under , Critical and Over Modulation
10:18mins
22
Generation of AM signal
9:31mins
23
Demodulation
9:15mins
24
Envelope detector
11:17mins
25
Synchronous detector
12:20mins
26
Double sideband supperessed carrier
8:18mins
27
Power distribution in DSB-SC signal
9:59mins
28
Generation of DSB-SC signal
10:25mins
29
Demodulation of DSB-SC signal
7:52mins
30
Single sideband suppressed carrier
9:10mins
31
Singletone SSB-SC
8:21mins
32
Generation of SSB-SC
9:50mins
33
Demodulation of SSB-SC
11:49mins
34
Vestigial sideband (part-1)
8:22mins
35
Vestigial sideband (part-2)
7:33mins
36
Frequency division multiplexing
8:51mins
37
Solved problems (part-1)
8:51mins
38
Solved problems (part-2)
8:57mins
39
Angle modulation
6:50mins
40
Frequency modulation
10:24mins
41
Last minute tips for GATE (ECE)
13:54mins
42
Narrowband FM
9:02mins
43
Wideband FM
10:27mins
44
Carson's rule
9:30mins
45
Comparison of FM and AM
8:55mins
46
Generation of FM (Direct method)
10:57mins
47
Generation of FM (Indirect method)
8:08mins
48
Generation of FM (Armstrong method)
11:18mins
49
Previous year GATE questions on FM
10:47mins
50
Previous year GATE questions on AM
13:40mins
51
Previous year GATE questions (Part-1)
13:35mins
52
Previous year GATE questions (Part-2)
10:09mins
53
Previous year GATE questions (Part-3)
13:15mins
54
Previous year GATE questions (Part-4)
9:23mins
55
Previous year GATE questions (Part-5)
13:04mins
56
GATE-2018 Questions
13:44mins
57
Advantages and disadvantages of Indirect method
12:41mins
58
Demodulation of FM
12:44mins
59
Frequency discriminator
11:25mins
60
Phase locked loop (part-1)
7:31mins
61
Phase locked loop (part-2)
8:20mins
62
Phase locked loop (part-3)
9:16mins
63
Phase locked loop (part-4)
10:26mins
64
Phase locked loop (part-5)
14:15mins
65
Phase locked loop (part-6)
8:07mins
66
Phase Locked Loop (Simplified)
11:08mins
67
PLL ( mathematical analysis to achieve lock state)
10:02mins
68
PLL (mathematical analysis to achieve capture state)
14:51mins
69
Comparison between frequency modulation and phase modulation
11:25mins
70
Generation of PM and FM
9:28mins
71
Formulas for frequency and phase deviation
10:49mins
72
Questions on frequency and phase deviation
10:56mins
73
Introduction to receivers
14:24mins
74
Tuned radio frequency receiver
11:29mins
75
Superheterodyne receiver
14:59mins
76
Image frequency rejection
13:19mins
77
Capture effect in envelope detector
15:00mins
78
Pre-emphasis and De-emphasis (Part-1)
10:45mins
79
Pre-emphasis and De-emphasis (Part-2)
11:44mins
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