(9A04501) ANALOG COMMUNICATIONS
B.Tech III-I Sem. (E.C.E.) T P C
4 0 4
UNIT I
INTRODUCTION:
Elements of communication Systems - information, Messages and Signals, Fundamental Limitations of communication Systems, Modulation & Coding–Modulation Methods, Modulation Benefits and Applications, Overview of Coding Methods and Benefits.
UNIT II
LINEAR CONTINOUS WAVE (CW) MODULATION - I:
Band Pass Signals and Systems – Analog Message Conventions, Band Pass Signals, Band Pass Transmission, Bandwidth, Double Side Band Amplitude Modulation – AM Signals and Spectra, DSB Signals and Spectra, Tone Modulation and Phaser Analysis, Modulators and Transmitters – Product Modulators, Square Law Modulators , Balanced Modulators and Switching Modulators.
UNIT III
LINEAR CONTINOUS WAVE (CW) MODULATION – II:
Suppressed Side Band Amplitude Modulation - Single Side Band Signals and Spectra, Single Side Band Generation, Vestigial Side Band Signals and Spectra, Frequency Conversion and Demodulation –Frequency Conversion, Synchronous Detection, Envelope Detection, Illustrative Problems.
UNIT IV
ANGLE CONTINOUS WAVE (CW) MODULATION - I:
Phase and Frequency Modulation – PM and FM Signals, Narrow Band PM and FM, Tone Modulation, Multi Tone and Periodic Modulation, Transmission Bandwidth and Distortion – Transmission Estimates, Linear Distortion, Non-Linear Distortion and Limiters.
UNIT V
ANGLE CONTINOUS WAVE (CW) MODULATION – II:
Generation and Detection of PM and FM – Direct FM and VCOs, Phase Modulators and Indirect FM, Triangular wave FM, Frequency Detection, Interference – Interfering Sinusoids, Pre-Emphasis and De-Emphasis Filtering, FM Capture Effect, Illustrative Problems.
UNIT VI
ANALOG COMMUNICATION SYSTEMS:
Receivers for CW Modulation – Super Heterodyne receivers, direct conversion receiver, special purpose receivers, Receiver Specifications, Receiver Measurements, Multiplexing Systems, synchronous detection and frequency synthesizers using Phase Locked Loop (PLL), Linearized PLL FM detection, Illustrative Problems.
UNIT VII
NOISE:
Thermal Noise & Available Power, White noise and filtered noise, Noise equivalent bandwidth, base band signal Transmission with noise- Additive Noise & S/N, Analog Signal Transmission, Noise in Analog Modulation Systems- Band Pass Noise System Models, Quadrature Components, envelope phase, Correlation Functions, Linear CW Modulation with Noise – Synchronous Detection, Envelope Detection, and Threshold Effect, Angle CW with Noise, Post detection Noise, Destination S/N, FM Threshold Effect, Analog Pulse modulation with Noise, Illustrative Problems.
UNIT VIII
PULSE MODULATION TECHNIQUES:
Pulse amplitude modulation – Flat top sampling and Pulse amplitude modulation (PAM), Pulse-Time Modulation – Pulse Duration and Pulse Position modulations, PPM spectral analysis, Illustrative Problems.
TEXT EBOOKS:
A. Bruce Carlson, & Paul B. Crilly, “Communication Systems – An Introduction to Signals & Noise in Electrical Communication”, McGraw-Hill International Edition, 5th Edition, 2010. Sham Shanmugam, “Digital and Analog Communication Systems”, Wiley-India edition, 2006.
REFERENCES:EBooks
Simon Haykin, “Communication Systems”, Wiley-India edition, 3rd edition, 2010. B.P. Lathi, & Zhi Ding, “Modern Digital & Analog Communication Systems”, Oxford University Press, International 4th edition, 2010. Herbert Taub & Donald L Schilling, “Principles of Communication Systems”, Tata McGraw-Hill, 3rd Edition, 2009. R.E. Ziemer & W.H. Tranter, “Principles of Communication-Systems Modulation & Noise”, Jaico Publishing House, 2001. George Kennedy and Bernard Davis, “Electronics & Communication System”,
B.Tech III-I Sem. (E.C.E.) T P C
4 0 4
UNIT I
INTRODUCTION:
Elements of communication Systems - information, Messages and Signals, Fundamental Limitations of communication Systems, Modulation & Coding–Modulation Methods, Modulation Benefits and Applications, Overview of Coding Methods and Benefits.
UNIT II
LINEAR CONTINOUS WAVE (CW) MODULATION - I:
Band Pass Signals and Systems – Analog Message Conventions, Band Pass Signals, Band Pass Transmission, Bandwidth, Double Side Band Amplitude Modulation – AM Signals and Spectra, DSB Signals and Spectra, Tone Modulation and Phaser Analysis, Modulators and Transmitters – Product Modulators, Square Law Modulators , Balanced Modulators and Switching Modulators.
UNIT III
LINEAR CONTINOUS WAVE (CW) MODULATION – II:
Suppressed Side Band Amplitude Modulation - Single Side Band Signals and Spectra, Single Side Band Generation, Vestigial Side Band Signals and Spectra, Frequency Conversion and Demodulation –Frequency Conversion, Synchronous Detection, Envelope Detection, Illustrative Problems.
UNIT IV
ANGLE CONTINOUS WAVE (CW) MODULATION - I:
Phase and Frequency Modulation – PM and FM Signals, Narrow Band PM and FM, Tone Modulation, Multi Tone and Periodic Modulation, Transmission Bandwidth and Distortion – Transmission Estimates, Linear Distortion, Non-Linear Distortion and Limiters.
UNIT V
ANGLE CONTINOUS WAVE (CW) MODULATION – II:
Generation and Detection of PM and FM – Direct FM and VCOs, Phase Modulators and Indirect FM, Triangular wave FM, Frequency Detection, Interference – Interfering Sinusoids, Pre-Emphasis and De-Emphasis Filtering, FM Capture Effect, Illustrative Problems.
UNIT VI
ANALOG COMMUNICATION SYSTEMS:
Receivers for CW Modulation – Super Heterodyne receivers, direct conversion receiver, special purpose receivers, Receiver Specifications, Receiver Measurements, Multiplexing Systems, synchronous detection and frequency synthesizers using Phase Locked Loop (PLL), Linearized PLL FM detection, Illustrative Problems.
UNIT VII
NOISE:
Thermal Noise & Available Power, White noise and filtered noise, Noise equivalent bandwidth, base band signal Transmission with noise- Additive Noise & S/N, Analog Signal Transmission, Noise in Analog Modulation Systems- Band Pass Noise System Models, Quadrature Components, envelope phase, Correlation Functions, Linear CW Modulation with Noise – Synchronous Detection, Envelope Detection, and Threshold Effect, Angle CW with Noise, Post detection Noise, Destination S/N, FM Threshold Effect, Analog Pulse modulation with Noise, Illustrative Problems.
UNIT VIII
PULSE MODULATION TECHNIQUES:
Pulse amplitude modulation – Flat top sampling and Pulse amplitude modulation (PAM), Pulse-Time Modulation – Pulse Duration and Pulse Position modulations, PPM spectral analysis, Illustrative Problems.
TEXT EBOOKS:
A. Bruce Carlson, & Paul B. Crilly, “Communication Systems – An Introduction to Signals & Noise in Electrical Communication”, McGraw-Hill International Edition, 5th Edition, 2010. Sham Shanmugam, “Digital and Analog Communication Systems”, Wiley-India edition, 2006.
REFERENCES:EBooks
Simon Haykin, “Communication Systems”, Wiley-India edition, 3rd edition, 2010. B.P. Lathi, & Zhi Ding, “Modern Digital & Analog Communication Systems”, Oxford University Press, International 4th edition, 2010. Herbert Taub & Donald L Schilling, “Principles of Communication Systems”, Tata McGraw-Hill, 3rd Edition, 2009. R.E. Ziemer & W.H. Tranter, “Principles of Communication-Systems Modulation & Noise”, Jaico Publishing House, 2001. George Kennedy and Bernard Davis, “Electronics & Communication System”,
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