JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Microwave Circuits & Theorems: Equation of Voltage and Currents, Impedance description of waveguide circuits, Fosters reactance theorem, N-Port circuits, Two-port junctions, S-matrix formulation and properties, Illustrative problems.

UNIT - II

Impedance Matching: Impedance matching Concepts, Quarter wave Transformers, Theory of small reflections, single and multi sections, Binomial and Chebysheve Transformers.

UNIT - III

Passive Microwave Components: Introduction to Power dividers and couplers-T Junctions and Willkinson power dividers, Analysis and Design of Directional Couplers- Bethehole, Multi hole Couplers, Quadrature Hybrids, Faraday rotation, S-matrix of Directional Couplers and T-Junctions, Gyrator, Isolator, Circulator- Applications.

UNIT - IV

Microwave Measurements-I: Measurement of Wavelength, Frequency and Impedance-Introduction, Equivalent circuit of Cavity wave meters, Typical wave meters, resonant cavities, Methods of frequency measurements-direct method - Interpolation method, Standard wave reflectors, Measurement of reflection coefficient, Low, Medium, High VSWR measurements, Standing wave pattern, Slotted Line section and its limitation, Impedance measurement techniques, Reflectometer.

UNIT - V

Microwave Measurements-II: Vector Network analyzer, Concept and description, Reflection and Transmission measurements, magnitude and Phase, measurement of S- Parameters, SWR and Impedances measurements, errors and corrections.

TEXT BOOKS:

• 1. R.E. Collin, “Foundations for microwave Engineering”, McGraw hill Kogakusha, Ltd, nd International Student edition, 2 Edition.
• 2. Ahmad Shahid Khan, “Microwave Engineering Concepts and Fundamental”, CRC Press

REFERENCE BOOKS:

• 1. David. M. Pozar, “Microwave Engineering”, 3rd Edition, John wiley& Sons Inc, 1998.
• 2. M.L. Sisodia, G.S. Raghuvamsi, “Microwave Circuits and Passive Devices”, New Age International Pub. Ltd, WEL-1995.
• 3. E.I. Ginzton, “Microwave Measurements”, McGraw Hill Book Comp, INC, 1957.
• 4. Ganesh Prasad Srivastava, Vijaya Lakshmi Guptha, “Microwave and Circuit design”, Eastern Economy Edition, Prentice Hall of India Pvt. Ltd., New Delhi-2006.