EC2305-TRANSMISSION LINES AND WAVEGUIDES-ANNA UNIVERSITY SYLLABUS ECE

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**5 TRANSMISSION LINES AND WAVEGUIDES L T P C**

**3 1 0 4**

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**M**

To lay a strong foundation on the theory of transmission lines and wave guides by highlighting their applications.

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**JE**

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·
To become familiar with propagation of signals through lines

· Understand signal propagation at Radio frequencies

· Understand radio propagation in guided systems

· To become familiar with resonators

**UN**

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**T I FILTERS 9**

The neper - the decibel - Characteristic impedance of Symmetrical Networks – Current
and
voltage ratios - Propogation constant, - Properties
of Symmetrical Networks - Filter
fundamentals – Pass and
Stop bands. Behaviour of
the
Characteristic
impedance.

Constant K Filters - Low pass, High pass band, pass band elimination filters - m -
derived sections – Filter circuit design – Filter performance – Crystal Filters.

**UN**

**I**

**T II TRANSMISSION LINE PARAMETERS 9**

A line of cascaded T
sections - Transmission lines - General Solution, Physical Significance of the equations, the infinite line, wavelength, velocity, propagation,
Distortion line, the telephone cable, Reflection on a line not terminated
in Zo, Reflection Coefficient, Open and short circuited lines, Insertion
loss.

**UN**

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**T III THE LINE AT RADIO FREQUENCY 9**

Parameters of open wire line and Coaxial cable at RF – Line constants
for
dissipation - voltages
and currents
on the dissipation less line - standing waves
– nodes - standing wave ratio - input impedance of open and short circuited lines - power and impedance
measurement on lines – l / 4 line, Impedance matching – single and double-stub matching circle diagram, smith chart and its
applications – Problem solving using Smith
chart.

**UN**

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**T IV GUIDED WAVES BETWEEN PARALLEL PLANES 9**

Application of the restrictions to Maxwell’s equations – transmission of TM waves
between Parallel plans – Transmission of TE waves between Parallel
planes.
Transmission of TEM
waves between
Parallel
planes – Manner of
wave
travel. Velocities of the waves – characteristic impedance -
Attenuators

**UN**

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**T V WAVEGUIDES 9**

Application of Maxwell’s equations to the rectangular waveguide. TM
waves in Rectangular
guide. TE waves in Rectangular waveguide – Cylindrical waveguides. The TEM wave in coaxial lines. Excitation of wave guides. Guide termination and resonant
cavities.

**T**

**EX**

**T BOOK**

**L: 45, T: 15, TOTAL= 60 PERIODS**

1. John D.Ryder, "Networks, lines and fields", Prentice Hall of India, 2nd Edition, 2006.

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**FERENCES**

1. E.C.Jordan, K.G. Balmain: “E.M.Waves & Radiating Systems”, Pearson Education,

2006.

2. Joseph Edminister, Schaum’s Series, Electromegnetics, TMH, 2007.

3. G S N Raju,
Electromagnetic
Field Theory
and
Transmission Lines, Pearson

Education, 2006.

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