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Index
Basics
Amplitude Modulation
Double Sideband Suppressed Carrier Modulation
Single Sideband Suppressed Carrier Modulation
Vestigial Sideband Suppressed Carrier Modulation
Frequency Division Multiplexing(FDM)
Angle Modulation
Receivers and Transmitter
Analog Communication GATE Questions
Information Theory GATE Questions
Digital Communication GATE Questions
Information Theory in Communication
Pulse Modulation Schemes
Pulse Code Modulation
Band Pass Signalling
Random Variables GATE Questions
Random Variables
Random Process
Noise Calculations of Analog Communication
Noise Calculations for Digital Communication

All videos of Communications (Video Lectures for GATE) for Electrical Engineering (EE) Exam

Basics

Introduction of Communication

Block Diagram of Communication System

Modulation Definition

Need of Modulation

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Amplitude Modulation

General AM Expression

General AM Spectrum

Problem on Power Calculation of AM-1

Problem on Modulation Index of AM-1

Problem on Power Calculation of AM-2

Problem on Modulation Index of AM-2

Problem on Single tone AM - 1

Problem on Single tone AM - 2

Problem on Single tone AM - 3

Multitone AM

Problem on Modulation Index of AM - 3

Problem on Multi tone AM - 1

Problem on Power Calculation of AM - 3

Problem on Modulation Index of AM - 4

Problem on Multi tone AM - 2

Generation of AM

Square Law Modulator

Problem on Square Law Modulator

Switching Modulator

Problem on Switching Modulator

Demodulation of AM

Square Law Demodulator

Waveforms: Amplitude Modulation

Envelope detector

Problem on Envelope Detector 1

Problems on Waveform of AM

Synchronous Detector

Problem on Power Calculation of AM - 4

Problem on Multi tone AM - 3

Problem on Efficiency of AM

Problem on Envelope Detector 2

Problem on Single tone AM - 4

Problem on Power Calculation of AM - 5

Problem on General AM - 1

Problem on Multi tone AM - 4

Problem on General AM - 2

Vestigial Sideband Suppressed Carrier Modulation

VSB-SC: Vestigial Sideband Suppressed Carrier Modulation

Angle Modulation

Introduction Angle Modulation

Problem on FM - 1

Problem on FM - 2

Phase Modulation

Problem on FM - 3

Problem on FM - 4

Problem on FM - 5

Problem on FM - 6

Problem on M.I of FM - 1

Problem on FM - 7

Problem on B.W of AM and FM - 1

Problem on M.I of FM - 2

Problem on FM - 8

Problem on Phase Deviation of PM - 1

Problem on FOM of FM

Problem on Spectrum of FM & PM

Problem on B.W of FM - 1

Problem on Spectrum of FM - 1

Problem on NBFM - 1

Problem on Frequency Deviation of FM - 1

Problem on Carrier Frequency Component of FM

Problem on % of M.I of FM

Problem on FM - 9

Problem on Instant Frequency of FM

Problem on Instant Frequency - 1

Problem on Instant Frequency - 2

Problem on Frequency Deviation of FM - 2

Problem on FM - 10

Problem on B.W of FM - 2

Armstrong method

Problem on Armstrong Method - 1

Problem on Armstrong Method - 2

Problem on Frequency drift

Demodulation of FM

Slope Detector

Balanced Slope Detector

Phase Discriminators (PLL)

Problem on PLL

Analog Communication GATE Questions

Analog Communication 2020 GATE Question No. 1

Analog Communication 2020 GATE Question No. 2

Analog Communication 2019 GATE Question No. 1

Analog Communication 2018 GATE Question No. 1

Analog Communication 2018 GATE Question No. 2

Analog Communication 2017 GATE Question No. 1

Analog Communication 2017 GATE Question No. 2

Analog Communication 2016 GATE Question No. 1

Analog Communication 2016 GATE Question No. 2

Analog Communication 2016 GATE Question No. 3

Analog Communication 2015 GATE Question No. 1

Analog Communication 2015 GATE Question No. 2

Analog Communication 2015 GATE Question No. 3

Analog Communication 2014 GATE Question No. 1

Analog Communication 2014 GATE Question No. 2

Analog Communication 2014 GATE Question No. 3

Analog Communication 2014 GATE Question No. 4

Analog Communication 2012 GATE Question No. 1

Analog Communication 2011 GATE Question No. 1

Analog Communication 2011 GATE Question No. 2

Analog Communication 2010 GATE Question No. 1

Analog Communication 2010 GATE Question No. 2

Analog Communication 2009 GATE Question No. 1

Analog Communication 2009 GATE Question No. 2

Analog Communication 2008 GATE Question No. 1

Analog Communication 2008 GATE Question No. 2

Analog Communication 2007 GATE Question No. 1

Analog Communication 2006 GATE Question No. 1

Analog Communication 2006 GATE Question No. 2

Analog Communication 2006 GATE Question No. 3

Analog Communication 2005 GATE Question No. 1

Analog Communication 2005 GATE Question No. 2

Analog Communication 2005 GATE Question No. 3

Analog Communication 2005 GATE Question No. 4

Analog Communication 2004 GATE Question No. 1

Analog Communication 2004 GATE Question No. 2

Analog Communication 2004 GATE Question No. 3

Analog Communication 2004 GATE Question No. 4

Analog Communication 2004 GATE Question No. 5

Analog Communication 2003 GATE Question No. 1

Analog Communication 2003 GATE Question No. 2

Analog Communication 2003 GATE Question No. 3

Analog Communication 2003 GATE Question No. 4

Analog Communication 2003 GATE Question No. 5

Analog Communication 2002 GATE Question No. 1

Analog Communication 2002 GATE Question No. 2

Analog Communication 2001 GATE Question No. 1

Analog Communication 2000 GATE Question No. 1

Analog Communication 2000 GATE Question No. 2

Analog Communication 2000 GATE Question No. 3

Analog Communication 2000 GATE Question No. 4

Analog Communication 1999 GATE Question No. 1

Analog Communication 1999 GATE Question No. 2

Analog Communication 1998 GATE Question No. 1

Analog Communication 1996 GATE Question No. 1

Analog Communication 1995 GATE Question No. 1

Analog Communication 1995 GATE Question No. 2

Analog Communication 1995 GATE Question No. 3

Analog Communication 1994 GATE Question No. 1

Analog Communication 1994 GATE Question No. 2

Analog Communication 1993 GATE Question No. 1

Analog Communication 1993 GATE Question No. 2

Analog Communication 1992 GATE Question No. 1

Analog Communication 1990 GATE Question No. 1

Analog Communication 1989 GATE Question No. 1

Analog Communication 1989 GATE Question No. 2

Analog Communication 1989 GATE Question No. 3

Analog Communication 1987 GATE Question No. 1

Information Theory GATE Questions

Information Theory 2020 GATE Question No. 1

Information Theory 2019 GATE Question No. 1

Information Theory 2018 GATE Question No. 1

Information Theory 2017 GATE Question No. 1

Information Theory 2017 GATE Question No. 2

Information Theory 2017 GATE Question No. 3

Information Theory 2016 GATE Question No. 1

Information Theory 2016 GATE Question No. 2

Information Theory 2016 GATE Question No. 3

Information Theory 2016 GATE Question No. 4

Information Theory 2016 GATE Question No. 5

Information Theory 2016 GATE Question No. 6

Information Theory 2015 GATE Question No. 1

Information Theory 2014 GATE Question No. 1

Information Theory 2014 GATE Question No. 2

Information Theory 2014 GATE Question No. 3

Information Theory 2013 GATE Question No. 1

Information Theory 2012 GATE Question No. 1

Information Theory 2009 GATE Question No. 1

Information Theory 2008 GATE Question No. 1

Information Theory 2006 GATE Question No. 1

Information Theory 1990 GATE Question No. 1

Information Theory 1990 GATE Question No. 2

Digital Communication GATE Questions

Digital Communication 2020 GATE Question No. 1

Digital Communication 2019 GATE Question No. 1

Digital Communication 2019 GATE Question No. 2

Digital Communication 2019 GATE Question No. 3

Digital Communication 2018 GATE Question No. 1

Digital Communication 2018 GATE Question No. 2

Digital Communication 2017 GATE Question No. 1

Digital Communication 2017 GATE Question No. 2

Digital Communication 2017 GATE Question No. 3

Digital Communication 2017 GATE Question No. 4

Digital Communication 2016 GATE Question No. 1

Digital Communication 2016 GATE Question No. 2

Digital Communication 2016 GATE Question No. 3

Digital Communication 2016 GATE Question No. 4

Digital Communication 2016 GATE Question No. 5

Digital Communication 2016 GATE Question No. 6

Digital Communication 2015 GATE Question No. 1

Digital Communication 2015 GATE Question No. 2

Digital Communication 2015 GATE Question No. 3

Digital Communication 2015 GATE Question No. 4

Digital Communication 2015 GATE Question No. 5

Digital Communication 2015 GATE Question No. 6

Digital Communication 2015 GATE Question No. 7

Digital Communication 2014 GATE Question No. 1

Digital Communication 2014 GATE Question No. 2

Digital Communication 2014 GATE Question No. 3

Digital Communication 2014 GATE Question No. 4

Digital Communication 2014 GATE Question No. 5

Digital Communication 2013 GATE Question No. 1

Digital Communication 2013 GATE Question No. 2

Digital Communication 2013 GATE Question No. 3

Digital Communication 2013 GATE Question No. 4

Digital Communication 2012 GATE Question No. 1

Digital Communication 2012 GATE Question No. 2

Digital Communication 2012 GATE Question No. 3

Digital Communication 2011 GATE Question No. 1

Digital Communication 2011 GATE Question No. 2

Digital Communication 2011 GATE Question No. 3

Digital Communication 2010 GATE Question No. 1

Digital Communication 2010 GATE Question No. 2

Digital Communication 2009 GATE Question No. 1

Digital Communication 2008 GATE Question No. 1

Digital Communication 2008 GATE Question No. 2

Digital Communication 2008 GATE Question No. 3

Digital Communication 2008 GATE Question No. 4

Digital Communication 2008 GATE Question No. 5

Digital Communication 2007 GATE Question No. 1

Digital Communication 2007 GATE Question No. 2

Digital Communication 2007 GATE Question No. 3

Digital Communication 2007 GATE Question No. 4

Digital Communication 2007 GATE Question No. 5

Digital Communication 2007 GATE Question No. 6

Digital Communication 2007 GATE Question No. 7

Digital Communication 2007 GATE Question No. 8

Digital Communication 2007 GATE Question No. 9

Digital Communication 2006 GATE Question No. 1

Digital Communication 2006 GATE Question No. 2

Digital Communication 2006 GATE Question No. 3

Digital Communication 2006 GATE Question No. 4

Digital Communication 2006 GATE Question No. 5

Digital Communication 2005 GATE Question No. 1

Digital Communication 2004 GATE Question No. 1

Digital Communication 2004 GATE Question No. 2

Digital Communication 2004 GATE Question No. 3

Digital Communication 2004 GATE Question No. 4

Digital Communication 2004 GATE Question No. 5

Digital Communication 2004 GATE Question No. 6

Digital Communication 2004 GATE Question No. 7

Digital Communication 2003 GATE Question No. 1

Digital Communication 2003 GATE Question No. 2

Digital Communication 2003 GATE Question No. 3

Digital Communication 2003 GATE Question No. 4

Digital Communication 2003 GATE Question No. 5

Digital Communication 2003 GATE Question No. 6

Digital Communication 2002 GATE Question No. 1

Digital Communication 2002 GATE Question No. 2

Digital Communication 2002 GATE Question No. 3

Digital Communication 2001 GATE Question No. 1

Digital Communication 2001 GATE Question No. 2

Digital Communication 2001 GATE Question No. 3

Digital Communication 2000 GATE Question No. 1

Digital Communication 1999 GATE Question No. 1

Digital Communication 1999 GATE Question No. 2

Digital Communication 1999 GATE Question No. 3

Digital Communication 1999 GATE Question No. 4

Digital Communication 1998 GATE Question No. 1

Digital Communication 1998 GATE Question No. 2

Digital Communication 1998 GATE Question No. 3

Digital Communication 1998 GATE Question No. 4

Digital Communication 1997 GATE Question No. 1

Digital Communication 1997 GATE Question No. 2

Digital Communication 1996 GATE Question No. 1

Digital Communication 1996 GATE Question No. 2

Digital Communication 1995 GATE Question No. 1

Digital Communication 1995 GATE Question No. 2

Digital Communication 1995 GATE Question No. 3

Digital Communication 1995 GATE Question No. 4

Digital Communication 1994 GATE Question No. 1

Digital Communication 1994 GATE Question No. 2

Digital Communication 1993 GATE Question No. 1

Digital Communication 1992 GATE Question No. 1

Digital Communication 1992 GATE Question No. 2

Digital Communication 1992 GATE Question No. 3

Digital Communication 1991 GATE Question No. 1

Digital Communication 1991 GATE Question No. 2

Digital Communication 1990 GATE Question No. 1

Digital Communication 1990 GATE Question No. 2

Digital Communication 1989 GATE Question No. 1

Digital Communication 1988 GATE Question No. 1

Digital Communication 1988 GATE Question No. 2

Digital Communication 1988 GATE Question No. 3

Digital Communication 1987 GATE Question No. 1

Pulse Code Modulation

Problem on PCM 1

Problem on PCM 2

Problem on PCM 3

SQNR (Signal to Quantization Noise Ratio)

Problem on SQNR of PCM 1

SQNR in Decibels

Problem on SQNR of PCM 2

Problem on SQNR of PCM 3

Problem on PCM 4

Problem on PCM 5

Problem on PCM 6

Problem on PCM 7

Problem on PCM 8

Problem on PCM 9

Problem on PCM 10

Problem on PCM 11

Problem on PCM 12

Problem on PCM 13

Problem on PCM 14

Problem on PCM 15

Problem on PCM 16

Time Division Multiplexing (TDM)

Problem on TDM 1

Problem on TDM 2

Problem on TDM 3

Problem on TDM 4

Problem on TDM 5

Problem on TDM 6

Problem on TDM 7

Problem on TDM 8

Problem on TDM 9

Problem on TDM 10

Problem on TDM 11

Problem on TDM 12

Comparisons Between TDM and FDM

DPCM (Differential Pulse Code Modulation )

Problem on DPCM

Problem on DM 1

Problem on DM 2

Problem on DM 3

Problem on DM 4

SQNR of DM

Problem on SQNR of DM

Adaptive Delta Modulation

Problem on ADM

Random Variables GATE Questions

Random Variables 2020 GATE Question No. 1

Random Variables 2020 GATE Question No. 2

Random Variables 2020 GATE Question No. 3

Random Variables 2019 GATE Question No. 1

Random Variables 2018 GATE Question No. 1

Random Variables 2017 GATE Question No. 1

Random Variables 2017 GATE Question No. 2

Random Variables 2016 GATE Question No. 1

Random Variables 2016 GATE Question No. 2

Random Variables 2016 GATE Question No. 3

Random Variables 2016 GATE Question No. 4

Random Variables 2015 GATE Question No. 1

Random Variables 2015 GATE Question No. 2

Random Variables 2015 GATE Question No. 3

Random Variables 2015 GATE Question No. 4

Random Variables 2014 GATE Question No. 1

Random Variables 2014 GATE Question No. 2

Random Variables 2014 GATE Question No. 3

Random Variables 2014 GATE Question No. 4

Random Variables 2014 GATE Question No. 5

Random Variables 2014 GATE Question No. 6

Random Variables 2014 GATE Question No. 7

Random Variables 2014 GATE Question No. 8

Random Variables 2014 GATE Question No. 9

Random Variables 2014 GATE Question No. 10

Random Variables 2014 GATE Question No. 11

Random Variables 2014 GATE Question No. 12

Random Variables 2013 GATE Question No. 1

Random Variables 2012 GATE Question No. 1

Random Variables 2012 GATE Question No. 2

Random Variables 2011 GATE Question No. 1

Random Variables 2010 GATE Question No. 1

Random Variables 2010 GATE Question No. 2

Random Variables 2009 GATE Question No. 1

Random Variables 2009 GATE Question No. 2

Random Variables 2008 GATE Question No. 1

Random Variables 2008 GATE Question No. 2

Random Variables 2007 GATE Question No. 1

Random Variables 2006 GATE Question No. 1

Random Variables 2006 GATE Question No. 2

Random Variables 2006 GATE Question No. 3

Random Variables 2005 GATE Question No. 1

Random Variables 2005 GATE Question No. 2

Random Variables 2005 GATE Question No. 3

Random Variables 2004 GATE Question No. 1

Random Variables 2004 GATE Question No. 2

Random Variables 2003 GATE Question No. 1

Random Variables 2003 GATE Question No. 2

Random Variables 2002 GATE Question No. 1

Random Variables 2001 GATE Question No. 1

Random Variables 1997 GATE Question No. 1

Random Variables 1992 GATE Question No. 1

Random Variables 1991 GATE Question No. 1

Random Variables 1991 GATE Question No. 2

Random Variables 1989 GATE Question No. 1

Random Variables 1987 GATE Question No. 1

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