1. Introduction to Microwaves (2hrs)
Introduction to microwaves and its applications, Classification on the basis of
its frequency bands (HF, VHF, UHF, L, S, C, X, KU, KA, mm, SUB, mm)
2. Microwave Devices (14hrs)
Basic concepts of thermoinic emission and vacuum tubes, Effects of inter
electrode capacitance Lead Inductance and Transit time on the high frequency
performance of conventional vacuum tubes, and steps to extend their high
frequency operations. Construction, characteristics, operating principles and
typical applications of the following devices (No mathematical treatment)
- Multi cavity klystron
- Reflex klystron
- Multi-cavity magnetron
- Traveling wave tube
- Gunn diode and
- Impatt diode
3. Wave guides (06hrs)
Rectangular and circular wave guides and their applications. Mode of
waveguide; Propagation constant of a rectangular wave guide, cut off
wavelength, guide wavelength and their relationship with free space wave
length (no mathematical derivation).Impossibility of TEM mode in a wave
guide.
4. Microwave Components (8hrs)
Constructional features, characteristics and application of tees, bends,
matched termination, twists, detector, mount, slotted section, directional
coupler, fixed and variable attenuator, isolator, circulator and duplex, coaxi alto
wave guide adapter
5. Microwave antennas (4hrs)
Structural characteristics and typical applications of Horn and Dish antennas
6. Microwave Communication systems : (8hrs)
a) Block diagram and working principles of microwave communication link.
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b) Troposcatter Communication: Troposphere and its properties, Tropospheric
duct formation and propagation, troposcatter propagation.
7. Radar Systems (12hrs)
7.1 Introduction to radar, its various applications, radar range equation
(noderivation) and its applications.
7.2 Block diagram and operating principles of basic pulse radar. Concepts of
ambiguous range, radar area of cross-section and its dependence
onfrequency.
7.3 Block diagram and operating principles of CW (Doppler) and FMCW
radars, and their applications.
7.4 Block diagram and operating principles of MTI radar.
7.5 Radar display- PPI
8. VSAT
Introduction to VSAT itsfeatures and applications. (2 hrs)