Electronics & Communication Engineering — Semester 4 Question Papers

All subjects, exam patterns, and previous year mid-term and end-sem question papers for DSU Semester 4.

Subjects (2)

21EC42 • 4 Credits

Signals and Systems

Classification of Signals (Continuous/Discrete, Periodic, Energy/Power), LTI Systems (Convolution Integral/Sum), Fourier Transform, Laplace Transform, and Z-Transform.

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21EC43 • 3 Credits

Analog Communication Systems

Amplitude Modulation (DSB-SC, SSB, VSB), Angle Modulation (Frequency Modulation & Phase Modulation), Noise in Communication (SNR, Figure of Merit), and Superheterodyne Receivers.

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