← Back to catalog
beginner~10h
Fundamentals of Data Communications: Signals, Modulation, Multiplexing & Networks
A foundational 10-part engineering curriculum covering the physical and data link layers of telecommunications: analog vs digital signals, modems, PCM companding, FDM/TDM multiplexing, error detection CRC, and OSI/TCP-IP models.
Start readingPosts in this series
- 1Part 1: Introduction to Data Communications: Five Key Elements & Transmission Modes
- 2Part 2: Network Models: OSI 7-Layer Reference Model & TCP/IP Architecture
- 3Part 3: Analog and Digital Signals: Time-Domain, Frequency, Bandwidth & Noise
- 4Part 4: Modems: Modulation, Demodulation, Baud Rate & Signal Constellations
- 5Part 5: Modulation Techniques: ASK, FSK, PSK, QAM, AM & FM in Communications
- 6Part 6: Wireless Transmission Fundamentals: RF Spectrum, Antennas & Path Loss
- 7Part 7: Pulse Modulation & Companding: PAM, PWM, PPM, PCM & Quantization
- 8Part 8: Multiplexing Techniques: Frequency-Division (FDM) & Time-Division (TDM)
- 9Part 9: Error Detection and Correction: Parity, Checksums, CRC-32 & Hamming
- 10Part 10: Network Layer Addressing: IPv4 Subnetting, CIDR & IPv6 Architecture