JNTUH B.Tech 4th year (4-1) Microwave Engineering gives you detail information of Microwave Engineering R13 syllabus It will be help full to understand you complete curriculum of the year.
Course Objectives
The objectives of the course are:
- To develop the knowledge on transmission lines for microwaves, cavity resonators and wave guide components and applications.
- To enable the students understand and analyze the operation of Microwave tubes like klystron, magnetron, travelling wave tube, etc.,
- To familiarize with microwave solid state devices.
- To understand the scattering matrix parameters and its use.
- To introduce the student the microwave test bench for measure
- different parameters like attenuation, VSWR, etc.,
UNIT-I
Microwave Transmission Lines – I: Introduction, Microwave Spectrum and Bands, Applications of Microwaves. Rectangular Waveguides — Solution of Wave Equations in Rectangular Coordinates, TE/TM mode analysis, Expressions for Fields, Characteristic Equation and Cut-off Frequencies, Filter Characteristics, Dominant and Degenerate Modes, Sketches of TE and TM mode fields in the cross-section, Mode Characteristics — Phase and Group Velocities, Wavelengths and Impedance Relations, Illustrative Problems.
Rectangular Guides:Power Transmission and Power Losses, Impossibility of TEM Mode, Micro strip Lines— Introduction, Zo Relations, Effective Dielectric Constant, Losses, Q factor.
UNIT-II
Cavity Resonators— Introduction, Rectangular Cavities, Dominant Modes and Resonant Frequencies, Q Factor and Coupling Coefficients, Illustrative Problems
Waveguide Components and Applications: Coupling Mechanisms — Probe, Loop, Aperture types. Waveguide Discontinuities — Waveguide Windows, Tuning Screws and Posts, Matched Loads. Waveguide Attenuators — Different Types, Resistive Card and Rotary Vane Attenuators; Waveguide Phase Shifters — Types, Dielectric and Rotary Vane Phase Shifters, Waveguide Multiport Junctions — E plane and H plane Tees, Magic Tee. Directional Couplers — 2 Hole, Bethe Hole types, Illustrative Problems Ferrites— Composition and Characteristics, Faraday Rotation, Ferrite Components — Gyrator, Isolator, Circulator.
UNIT-III
Microwave Tubes: Limitations and Losses of conventional Tubes at Microwave Frequencies, Microwave Tubes — 0 Type and M Type Classifications, 0-type Tubes : 2 Cavity Klystrons — Structure, Reentrant Cavities, Velocity Modulation Process and Applegate Diagram, Bunching Process and Small Signal Theory — Expressions for 0/P Power and Efficiency. Reflex Klystrons — Structure, Velocity Modulation and Applegate Diagram, Mathematical Theory of Bunching, Power Output, Efficiency, Oscillating Modes and 0/P Characteristics, Effect of Repeller Voltage on Power 0/P, Illustrative Problems.
Helix TTS: Significance, Types and Characteristics of Slow Wave Structures; Structure of TWT and Amplification Process (qualitative treatment), Suppression of Oscillations, Gain Considerations.
TEXT BOOKS
- Microwave Devices and Circuits — Samuel V. Liao, Pearson, 3rd Edition, 2003.
- Microwave Principles — Herbert J. Reich, J.G. Skalnik, P.F. Ordung and H.L. Krauss, CBS Publishers and Distributors, New Delhi, 2004.
REFERENCE BOOKS
- Foundations for Microwave Engineering — R.E. Collin, IEEE Press, John Wiley, 2ndEdition, 2002.
- Microwave Circuits and Passive Devices — M.L. Sisodia and G.S.Raghuvanshi, Wiley Eastern Ltd.,New Age International Publishers Ltd., 1995.
- Microwave Engineering Passive Circuits — Peter A. Rizzi, PHI, 1999.
- Electronic and Radio Engineering F.E. Terman, McGraw-Hill, 4th Ed., 1955.
- Microwave Engineering —A. Das and S.K. Das, TMH, 2nd Ed., 2009,
- Microwave Engineering – G. S. Raghuvanshi and K. Satya Prasad, Cengage Learning, 2012.
Course Outcomes
- Upon completion of the course, the students will be able to
- Understand the significance of microwaves and microwave transmission lines.
- Analyze the characteristics of microwave tubes and compare them.
- Be able to list and explain the various microwave solid state devices.
- Can set up a microwave bench for measuring microwave parameters.
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