EC 401

                                                                                       MICROWAVE ENGINEERING


Instruction                                                                                                                                                                                            4 Periods per week

Duration of University Examination                                                                                                                                                         3 Hours

University Examination                                                                                                                                                                          75 Marks

Sessional                                                                                                                                                                                             25 Marks



Guided Waves: Propagation of TE, TM and TEM waves between parallel planes. Velocity of propagation, wave impedance, attenuation in parallel plane guides.




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.




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.




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.




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.

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