EFFECT FROM THE ACADEMIC YEAR 2013 - 2014
EC 401
MICROWAVE ENGINEERING
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Guided Waves: Propagation of TE, TM and TEM waves between parallel planes. Velocity of propagation, wave impedance, attenuation in parallel plane guides.
UNIT-II
Waveguides: TE and TM waves in rectangular and circular waveguides, Wave Impedance, Characteristic Wave Impedance, Attenuation and Q of waveguides. Cavity resonators, resonant frequency and Q, Applications of cavity resonator.
UNIT-III
Microwave Circuits and Components: Concept of Microwave circuit, Normalized voltage and current, Introduction to scattering parameters and their properties, S parameters for reciprocal and Non-reciprocal components- Magic Tee, Directional coupler, E and H Plane Tees and their properties, Attenuators, Phase Shifters, Isolators and circulators.
UNIT-IV
Microwave Tubes: High frequency limitations of conventional tubes, Bunching and velocity modulation, mathematical theory of bunching, principles and operation of two cavity, multi cavity and Reflex Klystron.
Theory of crossed field interaction; Principles and operation of magnetrons and crossed field amplifiers, TWT and BWO.
UNIT-V
Microwave Solid State Devices: Principles of operation, characteristics and applications of Varactor, PIN diode, GUNN diode and IMPATT diode.
Elements of strip lines, micro strip lines, slot lines and fin–lines.
Suggested Reading:
1. E. C. Jordan & Keith G. Balmain, “Electromagnetic Waves and Radiating Systems”, 2/e, Pearson Education, 2006.
2. Samuel Y. Liao, “Microwave Devices and Circuits”, 3/e, Pearson Education, 2003.
3. Rizzi P, “Microwave Devices and Circuits”, 3/e, Pearson Education, 2003.
4. R. E. Collins, “Foundations for Microwave Engineering”, 2/e, Wiley India Pvt. Ltd., 2012.