# Analog communication

 Course Code : ULZ0269 Author : uLektz University : General for All University Regulation : 2017 Categories : Electronics & Communication Format : ePUB3 (DRM Protected) Type : eBook

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Description :Analog communication of ULZ0269 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT I AMPLITUDE MODULATION

1.1 Amplitude Modulation : Introduction To Communication System, Need For Modulation, Frequency Division Multiplexing

1.2 Amplitude Modulation, Definition, Time Domain And Frequency Domain Description, Single Tone Modulation, Power Relations In Am Waves,Generation Of Am Waves

1.3 Generation Of Am Waves, Square Law Modulator, Switching Modulator, Detection Of Am Waves: Square Law Detector, Envelope Detector.

###### UNIT II DSB & SSB MODULATION

2.1 DSB & SSB Modulation: Double Side Band Suppressed Carrier Modulators, Time Domain And Frequency Domain Description, Generation Of DSBSC Waves, Balanced Modulators, Ring Modulator, Coherent Detection Of DSB-Sc Modulated Waves

2.2 COSTAS Loop: Frequency Domain Description, Frequency Discrimination Method For Generation Of Am SSB Modulated Wave, Time Domain Description, Phase Discrimination Method For Generating Am SSB Modulated Waves.

2.3 Demodulation Of SSB Waves, Vestigial Side Band Modulation: Frequency Description, Generation Of VSB Modulated Wave, Time Domain Description, Envelope Detection Of a VSB Wave Pulse Carrier, Comparison Of Am Techniques, Applications Of Different Am Systems.

###### UNIT III ANGLE MODULATION

3.1 Angle Modulation : Basic Concepts, Frequency Modulation, Single Tone Frequency Modulation, Spectrum Analysis Of Sinusoidal Fm Wave, Narrow Band Fm, Wide Band Fm , Constant Average Power, Transmission Bandwidth Of Fm Wave

3.2 Generation Of Fm Waves, Direct Fm

3.3 Detection Of Fm Waves: Balanced Frequency Discriminator, Zero Crossing Detector Phase Locked Loop, Comparison Of Fm & Am

###### UNIT IV NOISE

4.1 Noise : Noise In Analog Communication System, Noise In DSB & SSB System

4.2 Noise In Am System, Noise In Angle Modulation System

4.3 Threshold Effect In Angle Modulation System

4.4 Pre-Emphasis & De-Emphasis

###### UNIT V TRANSMITTERS & RECEIVERS

5.1 Transmitters & Receivers: Radio Transmitter- Classification Of Transmitter, Am Transmitter, Effect Of Feedback On Performance Of Am Transmitter

5.2 Fm Transmitter – Variable Reactance Type And Phase Modulated Fm Transmitter, Frequency Stability In Fm Transmitter