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ANALOG COMMUNICATION Syllabus

The document outlines key concepts in signal processing and communication systems, covering Fourier transforms, AM and FM modulation techniques, and the design of transmitters and receivers. It discusses the properties of signals, modulation types, and the impact of noise on communication systems. Additionally, it includes details on signal detection, generation methods, and performance metrics in the presence of noise.

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9 views6 pages

ANALOG COMMUNICATION Syllabus

The document outlines key concepts in signal processing and communication systems, covering Fourier transforms, AM and FM modulation techniques, and the design of transmitters and receivers. It discusses the properties of signals, modulation types, and the impact of noise on communication systems. Additionally, it includes details on signal detection, generation methods, and performance metrics in the presence of noise.

Uploaded by

jktyresindiaofficial
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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UNIT-1

Frequency domain representation of signal: Fourier transform and its


properties, condition of existence, Fourier transform of impulse, step, signum,
cosine, sine, gate pulse, constant, properties of impulse function. Convolution
theorem (time & frequency), correlation (auto & cross), energy & power
spectral density.
UNIT-II
AM modulation: Block diagram of a communication system, need of
modulation, types of modulations techniques, Amplitude modulation, Equation
and its frequency domain representation, Bandwidth, Power requirement,
efficiency. AM suppressed carrier (DSB-SC, SSB-SC, VSB-SC) Power
requirement, efficiency waveform equation and frequency domain
representation, Generation of AM, DSBSC, SSBSC, VSB-SC & its detection,
synchronous generation & detection & errors.
UNIT-III
Angle modulation: Types of angle modulation, narrowband FM, wideband FM,
its frequency spectrum, transmission BW, methods of generation (Direct &
Indirect), detection of FM (discriminators: balanced, phase shift and PLL
detector), pre emphasis and de-emphasis. FM transmitter & receiver: Block
diagram of FM transmitter & receiver, AGC, AVC, AFC.
UNIT-IV
AM transmitter & receiver: High level and low-level AM transmitter, Tuned
radio receiver & super heterodyne, limitation of TRF, IF frequency, image signal
rejection, selectivity, sensitivity and fidelity.
UNIT-V
Noise: Classification of noise, Sources of noise, Noise figure and Noise
temperature, Noise bandwidth, Noise figure measurement, Noise in analog
modulation, Figure of merit for various AM and FM, effect of noise on AM &
FM receivers.

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