Skip to content
CampusPrep

EC-503 (A) RGPV B.Tech

Communication Network and Transmission Lines (CNTL) (CNTLC)

Previous year papers and the official syllabus are free to read, no account needed.

Previous Year Papers

4 papers, latest Dec 2025

Free
See all 4 papers

Syllabus, notes and important questions for EC-503 (A)

Syllabus units

Topics as the official RGPV syllabus lists them.

Unit 1 Characteristic Parameters of symmetrical and asymmetrical two‑port networks and their design 11 topics
  • Image impedance
  • Iterative impedance
  • Characteristic impedance
  • Propagation coefficient
  • Image transfer coefficient
  • Iterative transfer coefficient
  • Lattice and Bridged‑T networks
  • Reactive matching networks
  • Matching techniques
  • Insertion loss
  • Symmetrical and asymmetrical attenuators and their design
Unit 1 notes
Unit 2 Passive LC Filters 11 topics
  • Analysis and design of low‑pass filters
  • Analysis and design of high‑pass filters
  • Analysis and design of band‑pass filters
  • Analysis and design of band‑elimination filters
  • m‑derived filters
  • Composite filters
  • Filter specifications
  • Butterworth approximation
  • Chebyshev approximation
  • Elliptic function approximation
  • Frequency transformation
Unit 2 notes
Unit 3 Positive real function and network synthesis 7 topics
  • LC, RL, RC, and RLC network synthesis
  • Foster network
  • Cauer network
  • Minimum positive real function
  • Brune’s method
  • Bott‑Duffin method
  • Synthesis coefficient
Unit 3 notes
Unit 4 Transmission line fundamentals 19 topics
  • Lumped‑parameter equivalent
  • Voltage and current on a transmission line
  • Infinite line
  • Characteristic impedance and propagation constant
  • Waveform distortion
  • Attenuation and phase equalizers
  • Distortion‑less line
  • Loading
  • Line reflection on a line
  • Reflection coefficient
  • Input and transfer impedances
  • Open‑circuit and short‑circuit line
  • Reflection factors
  • Reflection loss
  • Insertion loss
  • T and π equivalents of a line
  • Location of line fault
  • Construction and design of two‑wire line
  • Construction and design of coaxial cable
Unit 4 notes
Unit 5 Line at radio frequencies 15 topics
  • Parameters of line and coaxial cable at radio frequencies
  • Dissipation‑less line
  • Voltage and current on a dissipation‑less line
  • Standing waves
  • Standing wave ratio
  • Input impedance of open‑circuit and short‑circuit
  • Power and impedance measurement on lines
  • Eighth‑wave line
  • Quarter‑wave line
  • Half‑wave line
  • Circle diagram
  • Smith chart
  • Solution of problems using Smith chart
  • Single and double stub matching
  • Introduction to micro‑strip lines and its analysis
Unit 5 notes
Read the full syllabus

Other 5th semester ECE subjects