Maharshi Dayanand University Rohtak | 4th
Communication System
Browse CS 4th question papers for exam preparation and revision.
📚 Syllabus - CS (B-TECH Electronics and Communication Engineering 4th)
1. Generation of DSB-SC AM signal using balanced modulator.
2. Generation of SSB AM signal
3. To study envelop detector for demodulation of AM signal and observe diagonal peak clipping
effect.
4. Frequency modulation using voltage controlled oscillator.
5. To generate a FM Signal using Varactor & reactance modulation.
6. Detection of FM Signal using PLL & foster seelay method..
7. To Study Super heterodyne AM receiver and measurement of receiver parameters viz.
sensitivity, selectivity & fidelity.
8. To study the circuit of PAM/PWM/PPM modulator & Demodulator
9. Study of Frequency Division Multiplexing/Demultiplexing with sinusoidal &
audio inputs.
10. Generation & study of Analog TDM at least 4 channels.
11. Study of 4 channel Time Division Multiplexing system.
12. Study of pulse code modulation and demodulation with parity & Hamming code .
13. Study pulse data coding & Decoding techniques for various formats .
14.Study of ASK, FSK modulator and demodulator.
15. Study of PSK & QPSK modulator and demodulator.
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About This Question Paper Collection
Browse CS 4th question papers for B-TECH Electronics and Communication Engineering students at Maharshi Dayanand University Rohtak. This page helps students review question patterns, prepare for exams, and understand how previous papers are structured.
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How Students Can Use These Papers
Old question papers for Communication System are a quick way to see how Maharshi Dayanand University Rohtak has structured exams in the past — useful for timing practice and identifying high-priority topics.
Treat them as a supplement, not a replacement, for the latest syllabus and official notices, and use them to build confidence before the actual exam.
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