# Analog and digital communications I (Hinglish)

- Institution: IIT Guwahati
- Department: Electrical Engineering
- Teacher: Prof. Ribhu
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/108103864)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/108103864)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lec 1: History of Communications](https://invisiblenetwork.ai/learn/nptel/108103864/d94d2e1e33af) (Video)
2. [Lec 2: What are signals?](https://invisiblenetwork.ai/learn/nptel/108103864/8a393d5357d7) (Video)
3. [Lec 3: Fourier Series](https://invisiblenetwork.ai/learn/nptel/108103864/fdd54de3cb45) (Video)
4. [Lec 4: Fourier Transforms](https://invisiblenetwork.ai/learn/nptel/108103864/44efedf1c21d) (Video)
5. [Lec 5: Properties of Fourier Transform](https://invisiblenetwork.ai/learn/nptel/108103864/437e7401d62c) (Video)
6. [Lec 6: Convolution](https://invisiblenetwork.ai/learn/nptel/108103864/d99adfa28c7f) (Video)
7. [Lec 1: Time/Bandwidth](https://invisiblenetwork.ai/learn/nptel/108103864/29c9c5f75aac) (Video)
8. [Lec 2: LowPass/ Bandpass Signals](https://invisiblenetwork.ai/learn/nptel/108103864/a758932fe9cc) (Video)
9. [Lec 3: Low Pass equivalents](https://invisiblenetwork.ai/learn/nptel/108103864/d6d410af3cd4) (Video)
10. [Lec 4: Probability Spaces](https://invisiblenetwork.ai/learn/nptel/108103864/52d72a054850) (Video)
11. [Lec 5: Bayes Theorem](https://invisiblenetwork.ai/learn/nptel/108103864/a7f9b410a93d) (Video)
12. [Lec 1: Random Variables](https://invisiblenetwork.ai/learn/nptel/108103864/3a1f7fb90fdf) (Video)
13. [Lec 2: Special Random Variables](https://invisiblenetwork.ai/learn/nptel/108103864/913fa57734f7) (Video)
14. [Lec 3: Two Random Variables](https://invisiblenetwork.ai/learn/nptel/108103864/4d3ccedbe2ed) (Video)
15. [Lec 4: Complex Random Variables](https://invisiblenetwork.ai/learn/nptel/108103864/f90bd15e3537) (Video)
16. [Lec 5: Random Vectors](https://invisiblenetwork.ai/learn/nptel/108103864/164f6754bc04) (Video)
17. [Lec 1: Covariance Matrices](https://invisiblenetwork.ai/learn/nptel/108103864/1a8e8b52ca19) (Video)
18. [Lec 2: Random Processes](https://invisiblenetwork.ai/learn/nptel/108103864/511c44fd3449) (Video)
19. [Lec 3: Stationarity](https://invisiblenetwork.ai/learn/nptel/108103864/ff90012e818e) (Video)
20. [Lec 4: Ergodicity](https://invisiblenetwork.ai/learn/nptel/108103864/49ff64999fbb) (Video)
21. [Lec 5: Random Processes as Signals](https://invisiblenetwork.ai/learn/nptel/108103864/6440ce75f5f8) (Video)
22. [Lec 1: White Gaussian Random Process](https://invisiblenetwork.ai/learn/nptel/108103864/42e10f0d1a16) (Video)
23. [Lec 2: Noise](https://invisiblenetwork.ai/learn/nptel/108103864/852633645fc0) (Video)
24. [Lec 3: Modulation](https://invisiblenetwork.ai/learn/nptel/108103864/9ee9a225e060) (Video)
25. [Lec 4: Amplitude Modulation](https://invisiblenetwork.ai/learn/nptel/108103864/05d55d1a7537) (Video)
26. [Lec 5: Generating AM](https://invisiblenetwork.ai/learn/nptel/108103864/1ec298e5f0c3) (Video)
27. [Lec 6: Diode Detector](https://invisiblenetwork.ai/learn/nptel/108103864/02945b4584d9) (Video)
28. [Lec 1: DSB SC](https://invisiblenetwork.ai/learn/nptel/108103864/c500df245ad4) (Video)
29. [Lec 2: Ring Modulator](https://invisiblenetwork.ai/learn/nptel/108103864/0b23cf393944) (Video)
30. [Lec 3: Phase Error in DSB-SC](https://invisiblenetwork.ai/learn/nptel/108103864/99bb757d4977) (Video)
31. [Lec 4: Quadrature Amplitude Multiplexing](https://invisiblenetwork.ai/learn/nptel/108103864/f14e0aa22461) (Video)
32. [Lec 5: QAM Demodulation](https://invisiblenetwork.ai/learn/nptel/108103864/06d4693a4461) (Video)
33. [Lec 6: Angle Modulation](https://invisiblenetwork.ai/learn/nptel/108103864/dbbb1f56509c) (Video)
34. [Lec 7: FM Spectrum I](https://invisiblenetwork.ai/learn/nptel/108103864/3fd7e651c8ed) (Video)
35. [Lec 8: FM Spectrum II](https://invisiblenetwork.ai/learn/nptel/108103864/af09ee44950d) (Video)
36. [Lec 1: FM Generation/ Demodulation](https://invisiblenetwork.ai/learn/nptel/108103864/47d21fccd803) (Video)
37. [Lec 2: Phase Locked Loop](https://invisiblenetwork.ai/learn/nptel/108103864/6b078d40cfe5) (Video)
38. [Lec 3: Signal to Noise Ratio](https://invisiblenetwork.ai/learn/nptel/108103864/abef30276123) (Video)
39. [Lec 4: Noise in AM/FM](https://invisiblenetwork.ai/learn/nptel/108103864/14be1f2c2a1a) (Video)
40. [Lec 5: Link Budget 1](https://invisiblenetwork.ai/learn/nptel/108103864/d659e72482c9) (Video)
41. [Lec 6: Link Budget 2](https://invisiblenetwork.ai/learn/nptel/108103864/919f28866266) (Video)
42. [Lec 1: Introduction to Digital Communications](https://invisiblenetwork.ai/learn/nptel/108103864/553774047689) (Video)
43. [Lec 2: Analog to Digital Conversion](https://invisiblenetwork.ai/learn/nptel/108103864/b60e74d1fa59) (Video)
44. [Lec 3: Sampling](https://invisiblenetwork.ai/learn/nptel/108103864/75bb26f389c6) (Video)
45. [Lec 4: Aliasing](https://invisiblenetwork.ai/learn/nptel/108103864/7b770cc54caa) (Video)
46. [Lec 5: Reconstruction](https://invisiblenetwork.ai/learn/nptel/108103864/8aaad28fadcf) (Video)
47. [Lec 1: Practical Sampling](https://invisiblenetwork.ai/learn/nptel/108103864/5fd1e3a85680) (Video)
48. [Lec 2: Aliasing Again](https://invisiblenetwork.ai/learn/nptel/108103864/973115413415) (Video)
49. [Lec 3: Band Pass Sampling](https://invisiblenetwork.ai/learn/nptel/108103864/00bf0c3da1df) (Video)
50. [Lec 4: Sampling Random Processes](https://invisiblenetwork.ai/learn/nptel/108103864/a8e2ec5cdb41) (Video)
51. [Lec 5: Quantization](https://invisiblenetwork.ai/learn/nptel/108103864/b849702a50a2) (Video)
52. [Lec 6: Lloyd Max Quantization](https://invisiblenetwork.ai/learn/nptel/108103864/efabdfc7e2e6) (Video)
53. [Lec 7: Uniform Quantization](https://invisiblenetwork.ai/learn/nptel/108103864/591cf5ddf056) (Video)
54. [Lec 1: PCM](https://invisiblenetwork.ai/learn/nptel/108103864/c352ac8e62b3) (Video)
55. [Lec 2: Line Codes](https://invisiblenetwork.ai/learn/nptel/108103864/76b4145ae26f) (Video)
56. [Lec 3: Companding](https://invisiblenetwork.ai/learn/nptel/108103864/95754fbe87ef) (Video)
57. [Lec 4: Correlation](https://invisiblenetwork.ai/learn/nptel/108103864/d355bc12ca24) (Video)
58. [Lec 5: Autoregressive Processes](https://invisiblenetwork.ai/learn/nptel/108103864/e0563846c2bc) (Video)
59. [Lec 6: Correlation Matrices](https://invisiblenetwork.ai/learn/nptel/108103864/ccfc844f7e33) (Video)
60. [Lec 7: Delta Modulation](https://invisiblenetwork.ai/learn/nptel/108103864/9d0d6c350659) (Video)
61. [Lec 1: Baseband Pulse Transmission](https://invisiblenetwork.ai/learn/nptel/108103864/5b7f267eaccd) (Video)
62. [Lec 2: SNR Maximization](https://invisiblenetwork.ai/learn/nptel/108103864/82dc6fa22723) (Video)
63. [Lec 3: The Matched Filter](https://invisiblenetwork.ai/learn/nptel/108103864/cb54dbc76f3f) (Video)
64. [Lec 4: Probability of Error](https://invisiblenetwork.ai/learn/nptel/108103864/8830bf1ca4ad) (Video)
65. [Lec 1: Vector Spaces](https://invisiblenetwork.ai/learn/nptel/108103864/53b1e9c7657a) (Video)
66. [Lec 2: Inner Products](https://invisiblenetwork.ai/learn/nptel/108103864/2748696a1fc1) (Video)
67. [Lec 3: Basis and Orthogonalization](https://invisiblenetwork.ai/learn/nptel/108103864/64125c12c955) (Video)
68. [Lec 4: Signal Spaces](https://invisiblenetwork.ai/learn/nptel/108103864/77d3e276dc05) (Video)
69. [Lec 5: Fourier Series Again](https://invisiblenetwork.ai/learn/nptel/108103864/bf845e0aa326) (Video)