SRM UNIVERSITY FACULTY OF ENGINEERING AND TECHNOLOGY SCHOOL OF ELECTRONICS AND ELECTRICAL ENGINEERING DEPARTMENT OF ECE COURSE PLAN

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1 Course Code Course Title Semester SRM UNIVERSITY FACULTY OF ENGINEERING AND TECHNOLOGY SCHOOL OF ELECTRONICS AND ELECTRICAL ENGINEERING DEPARTMENT OF ECE COURSE PLAN : EC0210 : COMMUNICATION THEORY : IV Course Time : JANUARY- MAY 2012 Location : SRM UNIVERSITY Faculty Details Sec Name Office Office hour Mail id A Diwakar R Marur TP12S9 Day 4-3&4,Day 5-6&7 Diwakar.r@ ktr.srmuniv.ac.in B R.Dayana TP1006A Day 1-1&6,Day 4-4,Day 5-7 Dayana.r@ ktr.srmuniv.ac.in C S.Kolangiammal TP1006A Day 2-2&3,Day 4-7,Day 5-3 Kolangiammal.s@ktr.srmuniv.ac.in D S.Vasanthadev suryakala TP1006A Day 2-2,Day 3-3,Day 4-5&6 Suryakala.sv@ktr.srmuniv.ac.in E P.Malarvezhi TP1203A Day 1-1,Day 4-6&7,Day 5-4 F S.Manikandaswamy TP1106A Day 2-6,Day 3-3,Day 5-3&7 Manikandaswamy.s@ktr.srmuniv.ac.in Required Text Books: 1. Communication Systems, 4 th edition John Wiley & sons Simon Haykins 2. Communication Systems Analog & Digital:, Tata McGraw Hill, R.P. Singh & S.D.sapre Web resources Prerequisite Objectives: : Nil 1.To learn and understand the various Amplitude modulation and demodulation systems Assessment Details 2. To learn and understand the various Angle modulation and demodulation systems 3.To learn and understand the Basics of noise theory and performance of the various receivers 4. To learn and understand the fundamentals of information theory Cycle Test I : 10 Marks Surprise Test : 5Marks Cycle Test II : 10 Marks Attendance : 5 Marks Model Exam : 20Marks

2 Tentative Test Schedule S.No. TEST PORTIONS DURATION 1 Cycle Test-1 Session 1 to 14 2 Periods 2 Cycle Test-2 Session 15 to 28 2 Periods 3 Model Test Session 1 to 45 3 Hours Outcomes Students who have successfully completed this course Course outcome 1. To learn and understand various amplitude modulation and demodulation system 2. To learn and understand various angle modulation and demodulation systems 3. To learn and understand basics of noise theory and various receiver performances 4. To learn and understand the fundamentals of information theory Program outcome identify, formulate and d) Graduates will design a system, component or process as per needs and education and ability for life long learning. ability to participate and try Detailed Session Plan AMPLITUDE MODULATION SYSTEMS Need for modulation-am modulation systems-modulation index-phase diagram-power relations-efficiency- Spectrum diagram of AM, DSB-SC & SSB systems.generation of AM Waves: Square law modulator-product Modulator-Switching Modulator. Detection of AMwaves: Envelope detector-coherent detector. FDM. Session Topics to be covered Text Book Instruction Program Outcome 1 Need for modulation, AM modulation systems 2 Modulation index, phasor diagram, power relation & efficiency 3 Spectrum diagram of AM, DSB- SC, SSB,VSB product modulator 5 Square modulator 6 Switching modulator 7 Envelope detector 8 Coherent detector 9 FDM Objective 1.To learn and understand various amplitude modulation and demodulation system d) Graduates will design a system, component or process as per needs and education and ability for life long learning. ANGLE MODULATION Frequency Modulation - Transmission Bandwidth of FM signals-frequency spectrum-phase Modulationrelationship between FM & PM- Narrow Band FM & Wide Band FM. Generation of FM Waves: Direct method- Indirect method of FM generation. Detection of FM waves: Ratio Detector-PLL FM demodulator- Super heterodyne Receiver

3 10 Unit II Frequency modulation, transmission bandwidth of FM signals, frequency spectrum 12 Phase modulation, relationship between PM & FM Narrow band FM 14 Wide band FM 15 Direct method of FM generation 16 Indirect method of FM -dogeneration 17 Ratio detector 18 PLL FM demodulator 19 Super heterodyne receiver 2. To learn and understand various angle modulation and demodulation systems d) Graduates will design a system, component or process as per needs and education and ability for life long learning. NOISE THEORY Sources of Noise-Shot Noise-Resistor Noise-Calculation of Noise in Linear systems-noise bandwidth-available Power-Noise temperature-noise in two port networks-noise figure-measurement of Noise figure-signal in presence of noise-narrow Band noise 20 Sources of noise R.Singh & S.D. sapre Chapter to shot noise, resistor noise 22 Calculation of noise of Linear -dosystem 23 Noise bandwidth, available -dopower 24 Noise temperature, Noise in two -doport networks 25 Noise figure 26 Measurement of noise figure in -dopresence of noise 27 Signal in presence of noise 28 Narrow band noise 3. To learn and understand basics of noise theory NOISE PERFORMANCE OF AM & FM RECEIVERS Noises in AM receiver threshold effect-noise in FM receivers capture effect-fm threshold effect-pre emphasis & De emphasis in FM. 29 Noise in CW modulation systems 30 Noise in Linear systems solve engineering

4 31 Noise in AM receivers 32 Threshold effect 33 Noise in FM receivers problems. ability to participate and try to succeed in competitive 34 Single tone modulation, FM threshold effect 35 FM threshold reduction To learn and understand basics of noise theory and various receiver performances 36 Pre-emphasis 37 De-emphasis INFORMATION THEORY Information & Entropy- Rate of information-discrete memory less channel-joint Entropy & Conditional Entropy-Mutual information-channel Capacity-Shannon s Theorem-Continuous Channel-Shannon-Hartley Theorem-BW S/N Trade-off. 38 R.Singh & S.D. Information & Entropy sapre Chapter Rate of information 40 Discrete memory less channel 41 Joint & conditional entropy 42 Mutual information 43 Channel capacity, Shannon theorem To learn and understand the fundamentals of information theory solve engineering problems. education and ability for life long learning. ability to participate and try to succeed in competitive 44 Continous channel, Shannon Hartley theorem 45 BW S/N trade off

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