6EE6.5 MICROWAVE ENGINEERING
 

  1. MICROWAVE TRANSMISSION LINES: Microwave frequency range, Transmission line equations and solutions,Reflection coefficient & Transmission coefficients, Standing wave & standing wave ratio,Line Impedance and admittance, Smith chart, Impedance matching.

  2. MICROWAVE WAVE GUIDES & COMPONENTS: (i)Introduction (ii) Rectangular Waveguides:Solution of wave equations in Rectangular coordinates,TE,TM modes,power transmission,power losses,excitation of modes, characteristics of standard rectangular waveguides. (iii) Circular Waveguides:Solution of waveguides:Solution of wave equation in cylindrical coordinates, TE, TM mode,power transmission, power loss, Excitation of modes, characteristics of standard circular waveguides. (iv)Microwave cavities:Rectangular cavity resonator, circular-cavity resonator and semicircular cavity resonator, Q factor of a cavity resonator,Re-entrant cavities. (v) Microwave Hybrid circuits: S-Matrix, Wave guide tees, Magic Tees (Hybrid Tees) Hybrid rings (rat-Raco Circuits) (vi) Directional Couplers:2 hole directional coupler and brief ideas of others.

  3. MICROWAVE TUNNEL DIODES: principle of operations, Microwave characterstics.

  4. TRANSFERRED ELECTRON DEVICES (TEDS): Gunn Effect Diodes-GaAs diode, Gunn effect, Ridley-Watkins-Hilsum (RWH) theory,Modes of operation.

  5. AVALANCHE TRANSIT-TIME DEVICES: Physical structure and principle of operation of the following devices:IMPATT diode, TRAPATT diode, BARITT diode, PIN diode.

  6. MICROWAVE LINEAR-BEAM TUBES (O-TYPE): Brief Idea of triodes, Tetrodoes Pentodes and their Limitation. Klystrons, Multicavity Klystron Amplifier (examples of 2 and 4 cavity Klystrons)-, Reflex-klystons, Helix Traveling wave Tube (TWT):Construction and theory of operation of each of these devices.

  7. MICROWAVE CROSS-FIELD TUBES (M-TYPE): Construction and theory of operation of Cylindrical Magnetrons. Brief idea of (i) Micrstrip & parallel striplines, (ii) MMIC's.


RECOMMENDED BOOKS:

  1. Samuel Y.Liao-Microwave Device & Circuits, PHI

  2. Kiran C.Gupta-Microwaves New Age Publishers.

  3. Reich et al-Microwave Principles, EWP.

  4. M. Kulkami-Microwave & Radar Engg. Umesh Publication.

  5. Monojit Mitra-Microwave Engg. Dhanpat Rai & Co.

  6. R.E. Collin-Foundations of Microwave Engg. Mc-Graw Hill.