EC2305 TRANSMISSION LINES AND WAVEGUIDES L T P C
3 1 0 4
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. 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 – l / 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.
L: 45, T: 15, Total= 60 Periods
TEXT BOOK:
1. John D.Ryder, "Networks, lines and fields", Prentice Hall of India, 2nd Edition, 2006.
REFERENCES:
E.C.Jordan, K.G. Balmain: “E.M.Waves & Radiating Systems”, Pearson Education, 2006.
Joseph Edminister, Schaum’s Series, Electromegnetics, TMH, 2007.
G S N Raju, Electromagnetic Field Theory and Transmission Lines, Pearson Education, 2006.
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