Page 46 - R2017-REC-ECE-UG Syllabus

Department of ECE, REC

UNIT II ANGLE MODULATION 9
Phase and Frequency modulation, Narrow Band and Wideband FM, Spectrum, FM modulation and
demodulation, FM Discriminator, PLL as FM Demodulator, Transmission bandwidth, Super heterodyne FM
Receiver.

UNIT III NOISE 9
Noise sources and types, Noise figure and noise temperature, Noise in cascaded systems, Frii’s formula,
Narrow band noise, PSD of in-phase and quadrature noise.

UNIT IV PERFORMANCE OF CW MODULATION SCHEMES 9
Noise performance in AM systems-DSBFC, DSBSC, Noise performance in FM system, FM threshold effect,
Pre-emphasis and De-emphasis, Capture effect.

UNIT V INFORMATION THEORY AND CHANNEL MODELLING 9
Measure of Information, Entropy, Discrete Memoryless channel, Channel Capacity, Shannon-Hartley
theorem, Source coding theorem, Huffman, Shannon-Fano codes. Mathematical Models of Communication
Channel-Additive Noise Channel, Linear Filter Channel, Linear Time-Variant Filter Channel.

TOTAL= 45 PERIODS

OUTCOMES:
After successful completion of this course, the students should be able to:
• Understand the principles of various Amplitude modulation and demodulation techniques and
bandwidth requirement
• Describe principles of Angle modulation techniques
• Classify the random variables and random process
• Compare noise performance on AM and FM receivers
• Demonstrate fundamental information theory concepts and channel modelling.

TEXT BOOKS:
1. Simon Haykin, Communication Systems, John Wiley & sons, NY, 4th Edition, 2001.

REFERENCES:
1. J.G.Proakis, M.Salehi, “Fundamentals of Communication Systems”, Pearson Education 2006.
2. B.P.Lathi, “Modern Digital and Analog Communication Systems”, 3rd Edition, Oxford University Press,
2007.
3. H P Hsu, Schaum Outline Series - “Analog and Digital Communications” TMH 2006.

EC17403 CONTROL SYSTEM ENGINEERING L T P C
3 0 0 3
OBJECTIVES:
• To introduce the elements of control system and their modeling using various Techniques by
determining the transfer function of the systems
• To introduce methods for analyzing the time response of the systems
• To introduce methods for analyzing frequency response of the systems
• To introduce methods for analyzing the stability of the systems

Curriculum and Syllabus | B.E. Electronics and Communication Engineering | R2017 Page 46