JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Introduction to Microwave Circuit Concept: One port junction, Terminal voltage and currents in multiport junctions, Poynting’s energy theorem, Normalized waves and scattering matrix. Properties of [S]matrix

UNIT - II

Relationship between [S], [Z] and [Y] Parameters: Wave amplitude transmission matrix[A], Relation between [A] and [S], [S] matrix of magic T, E and H plane tees, Directional coupler, Applications of hybrid junction and magic tee.

UNIT - III

Passive Microwave Devices: Even and odd mode analysis of symmetrical 4 port networks, Analysis and design of branch line couplers, Hybrid ring coupler, Frequency response, Branching synthesis of hybrids, Applications of hybrids.

UNIT - IV

Microwave Propagation in Ferrites: Principles of Faraday rotation, Isolator, Gyrator, Circulator, Phase shifters, S-matrix of non reciprocal devices, Broad band matching multisection quarter wave transformers, Binomial and Chebyshev transformers design, Tapered transmission line exponential and triangular tapers, Synthesis of transmission line tapers.

UNIT - V

Wave Analysis of Periodic Structures: Image parameters method of microwave filter design, Power loss ratio, Filter design by insertion loss method, Frequency transformation, maximally flat and Chebyshev filter design and characteristics.

TEXT BOOKS:

• 1. Altman JL, “Microwave circuits”, D van Nostrand Co., Inc.,1964.
• 2. Collins. RE, “Foundations for microwave engineering”, John Wiley & Sons, inc 2nd Edition, 2009.

REFERENCE BOOKS:

• 1. Ghosh. RN, “Microwave Circuit Theory and Analysis”, McGraw Hill.
• 2. Pozar.D M, “Microwave Engineering”, 2nd Edition, John Wiley and Sons, Inc.,1999.