U7ECA32
MICROWAVE ENGINEERING
UNIT I Introduction To Microwaves
L-3 T-1 P-0 C-4
Lecture Periods-9 Tutorial Periods- 3 L- 9 + T-3
Microwave frequency range, significance of microwave frequency range - applications of microwaves – Review Review of Low frequency parameters: Impedance, Admittance, Hybrid and ABCD parameters, Different types of interconnection of Two port networks, High High Frequency parameters, Formulation of S parameters, Properties of S parameters, parameters, Reciprocal and lossless Network, Transmission matrix, RF behavior of Resistors, Resistors, Capacitors and Inductors.
UNIT II Microwave Devices
Lecture Periods-9 Tutorial Periods- 3 L- 9 + T-3
Microwave T Junction:H-plane Tee- E-plane Tee ,Hybrid Tee – Tee – S Parameter DerivationApplication of Magic Tee- Rat race junction-Directional Coupler-S- Parameter Derivation of Directional Coupler-Wave guides bends,coners,Transtition and twist-Wavegude TerminationFerrite Devices-Faraday rotation in ferrite-Gyrator-Isolator-Circulator-Microwave ferrite-Gyrator-Isolator-Circulator-Microwave Attenuators
UNIT III Microwave Generation Lecture Periods-9 Tutorial Periods- 3 L- 9 + T-3
Review of conventional vacuum Triodes, Tetrodes and Pentodes, High frequency effects in vacuum Tubes, Theory and application of Two cavity Klystron Amplifier, Reflex Klystron oscillator, Traveling wave tube amplifier, Magnetron oscillator using Cylindrical, Linear, Coaxial Voltage tunable Magnetrons, Backward wave Crossed field amplifier and oscillator.
UNIT IV Transferred Electron Devices And Avalanche Transit Time Devices Lecture Periods-9 Tutorial Periods- 3 L- 9 + T-3
Gunn effect-RWH Theroy-Modes of operations – operations – LSA-Inp-CdTeDiodes-Microwave LSA-Inp-CdTeDiodes-Microwave generation and amplification Read diodes-IMPATT Diode-TRAPATT Diode-BARITT Diode- parametric Devices
UNIT V Microwave Measurements Lecture Periods-9 Tutorial Periods- 3 L- 9 + T-3
Slotted line Carriage-VSWR meter-Tunable Detector-Power Measurements-Insertion loss and Attenuation Measuerments-VSWR Measurements-Return Loss-Measurement – Loss-Measurement – Impedance Impedance
Measurement-Frequency measurements-Dielectric Constant-Measurement of a Solid-Microwave Antenna Measurements.
TEXT BOOKS
1. Annapurna Das and Sisir K Das, “Microwave Engineering”, Tata Mc G raw Hill Inc., 2004 2. S.Y.Liao, “Microwave Devices and Circuits”, Pearson Educ ation Limited, third edition 2006.
REFERENCE BOOKS
1. David M. Pozar, “Microwave Engineering”, Wiley India (P) Ltd, New Delhi, 2008. 2. Thomas H Lee, “Planar Microwave Engineering: A Practical Guide to Theory, Measurements and Circuits”, Cambridge University Press, 2004. 3. Mathew M Radmanesh, “RF and Microwave Electronics”, Prentice Hall, 2000. 4.Kulkarni “Microwave and radar engineering” UMESH Publications, 2003
