EC2305 TRANSMISSION LINES AND WAVEGUIDES Question Paper / Question Bank - Nov / Dec - 2011


EC2305 TRANSMISSION LINES AND WAVEGUIDES

Subject Name: Transmission Lines and WaveGuides

Subject Code: EC2305

Semester :  Fifth

Department : ECE

University : Anna University

Regulation : 2008

Type : Anna University Question Paper / Question Bank

Year : Third

Download EC2305 TRANSMISSION LINES AND WAVEGUIDES Question Paper



EC2305 TRANSMISSION LINES AND WAVEGUIDES Syllabus


UNIT 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.
54
Constant K Filters - Low pass, High pass band, pass band elimination filters - m -
derived sections – Filter circuit design – Filter performance – Crystal Filters.

UNIT 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.

UNIT 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 –  / 4 line, Impedance matching – single and double-stub
matching circle diagram, smith chart and its applications – Problem solving using Smith
chart.

UNIT 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

UNIT 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.

{ 0 comments... read them below or add one }

Post a Comment