JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• 1. To become familiar with the characterization of microwave networks
• 2. To acquaint with theoretical analysis of the characteristics of electromagnetic waves in planar transmission lines.
• 3. To know impedance matching concepts
• 4. To become familiar with microwave passive circuit analysis and design

Course Outcomes

Students will be able to:

• 1. Characterize the reciprocal networks, lossless networks in terms of S-Parameters
• 2. Analyze the behaviour of most commonly used planar transmission lines such as microstrip line and stripline etc.
• 3. Design impedance matching networks, power dividers, couplers and filters
• 4. Know the microwave propagation in ferrites and use them in various applications

UNIT - I

Introduction to micro wave Circuit concept: one port junction, scattering matrix, Properties of [s]matrix, Relationship between [s], [z]and[y] parameters, Wave amplitude transmission matrix[A], Relation between [A] and [s].

UNIT - II

Analysis of microstrip line and strip line, Method of conformal Transformation, Characteristic parameters of Microstrip, strip lines, Introduction to slot line and coplanar waveguide. Impedance matching: Stub matching- Single and double stub using Smith chart solutions, Quarter wave transformer, Multi section transformer design, tapered lines- Exponential taper, triangular taper.

UNIT - III

Introduction to Coupled Microstrips, Even and odd mode analysis, Theory of coupled microstrip Directional couplers, Calculations for a coupled pair of Microstrips, Branch line couplers, Eigenvalue method and its applications to branch line couplers, hybrid ring couplers and the Wilkinson power dividers/combiners.

UNIT - IV

Lumped Elements for MIC‟s Design and fabrication of lumped elements, circuits using lumped elements Impedance transformers. Microwave Planar Filters: Periodic structures, Filter design by the Image Parameter method, Filter design by the Insertion Loss method, Filter transformations, Filter implementation.

UNIT - V

Micro wave propagation in ferrites, Principles of faraday rotation, Microstrip on Ferromagnetic substrates, Microstrip circulators, Isolators and phase shifters, Applications of MIC‟s.

TEXT BOOKS:

• 1. Collins. RE, Foundations for Microwave Engineering, McGraw Hill, 2nd edn, 1992.
• 2. Pozer. DM, Microwave engineering, 2nd edn., john wiley andsons, inc.,1999.

REFERENCE BOOKS:

• 1. Gupta KC, and Amarjit Singh, Microwave Integrated circuits, Wiley Eastern, 1974.
• 2. Hoffman R.K.”Hand Book of Microwave integrated Circuits”, Artech House, Boston, 1987. M.TECH.- I YEAR- I SEMESTER MICROWAVE AND RADAR ENGINEERING