Communication System Important Topics for GATE EC 2021

By Kajal Vats|Updated : December 9th, 2020

GATE EC 2021 Exam would be a final grail for many motivating candidates preparing with full zeal to crack GATE EC 2021 with good score. The candidates should target important topics for each subject while preparing for GATE EC 2021. The syllabus for GATE EC 2021 is huge and therefore planned strategy & time management should be kept in mind while covering each subject.

In this post, we provide you with the Important Topics in Analog Communication based on previous year exam analysis & Expected Pattern of questions which would be useful for the preparation of GATE EC 2021 and aiming to grab maximum marks out of Analog Communications.

Topics Asked in GATE EC 2020, 2019,2018, GATE EC 2017 & GATE EC 2016 for Analog Communication

 GATE 2020GATE EC 2019GATE EC 2018GATE EC 2017GATE EC 2016
Average marks13 Marks3 Marks 7 Marks4 Marks 5 marks 
Topics CoveredAmplitude Modulation, Phase & frequency modulation, Random variable, Digital communication system, Smith ChartAmplitude Modulation, Phase Modulation

AM, Binary Channel, RV

DPCM, Noise in Analog Communication, Amplitude and 

Phase Modulation

Superheterodyne Receiver, Noise,

Amplitude Modulation

Important Topics to cover in Analog Communication for GATE EC 2021

Based on the analysis of the previous GATE EC exam papers it has been observed that weightage of Analog Communication is quite low and a subsequent number of weightage (3-5 Marks) could be asked in GATE EC 2021 Exam. Therefore this subject should be given fixed time and candidates should focus important topics from this subject. Important topics in Analog communication which may be expected for GATE EC 2021 are:

  • Noise
  • Receivers
  • AM and PM

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