Engineering Tutorials

EE-302-E MICROWAVE AND RADAR ENGINEERING

CLASS WORK : 50
EXAM : 100

UNIT1. WAVEGUIDES:

Introduction, comparison with transmission lines, propagation in TE & TM mode, rectangular wave guide, TEM mode in rectangular wave guide, characteristic impedance, introduction to circular waveguides and planar transmission lines.

UNIT2 . MICROWAVE COMPONENTS:

Directional couplers, tees, hybrid ring, S-parameters, attenuators, cavity resonators ,mixers & detectors, matched Load, phase shifter ,wave meter, Ferrite devices: Isolators, circulators.

UNIT3. MICROWAVE TUBES:

Limitation of conventional tubes; Construction, operation and properties of Klystron amplifier, reflex Klystron, magnetron, TWT , BWO , crossed field amplifiers.

UNIT4. MICROWAVE SOLID STATE DEVICES :

Varactor diode, Tunnel diode, Schottky diode, GUNN diode, IMPATT, TRAPATT and PIN diodes. MASER, parametric amplifiers.

UNIT5. MICROWAVE MEASUREMENTS :

Power measurement using calorimeter & bolometers, measurement of SWR, frequency , wavelength and impedance. Microwave bridges.

UNIT6. INTRODUCTION TO RADAR :

Block Diagram and operation, Radar Frequencies, Simple form of Radar Equation, Prediction of Range Performance, Pulse Repetition frequency and Range Ambiguities, Applications of Radar

TEXT BOOKS:

1. Microwave devices and circuits :Samuel Liao;PHI

2. Microwave devices & Radar Engg :M .Kulkarni;Umesh

REFERENCE BOOK :

1. Microwaves and Radar : A.K. Maini; Khanna

NOTE : Eight questions are to be set –atleast one from each unit. Students have to attempt any five questions

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