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Communications
Section 7 of the official syllabus · 10% of the paper, about 6.5 questions a year (110 in this bank).
- Random Processes and Noise3 cards
Random Processes: Auto correlation and power spectral density, properties of white noise, filtering of random signals through LTI systems.
- Analog Modulation4 cards
Analog Communications: Amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, super heterodyne receivers.
- Information Theory2 cards
Information Theory: Entropy, mutual information and channel capacity theorem.
- Digital Communication5 cards
Digital Communications: PCM, DPCM, digital modulation schemes (ASK, PSK, FSK, QAM), bandwidth, inter-symbol interference, MAP, ML detection, matched filter receiver, SNR and BER.
- Error Control Coding2 cards
Fundamentals of error correction, Hamming codes, CRC.