Microwave Engineering and Antenna Theory (BEC701)

Microwave Engineering and Antenna Theory

Course Code BEC701 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:2:0 
SEE Marks 50
Total Hours of Pedagogy 40 hours Theory + 8-10 Lab slots 
Total Marks 100
Credits 04 
Exam Hours 3 Hours
Examination nature (SEE) Theory

MODULE-1

Microwave Sources: Introduction, Gunn Diode (Text 2: 7.1,7.1.1,7.1.2)

Microwave transmission lines: Microwave frequencies, Microwave devices, Microwave systems.

Transmission line equations and solutions, Reflection Coefficient and Transmission Coefficient.

Standing wave and standing wave ratio. Smith chart, Single stub matching.

Text 2: 0.1, 0.2, 0.3, 3.1, 3.2, 3.3, 3.5, 3.6 (except double stub matching)

MODULE-2

Microwave Network Theory: Introduction, S matrix representation of multi-port networks (Text 1:

6.1, 6.3, 6.3.1, 6.3.2)

Microwave passive devices: Coaxial connectors and Adapters, Attenuators, Phase shifters,

waveguide Tees, Magic Tee, Circulator, Isolator. (Text 1: 6.4.2, 6.4.14, 6.4.15, 6.4.16, 6.4.17 A, B)

MODULE-3

Strip Lines: Introduction, Microstrip lines, Parallel Strip lines (Text 2: 11.1,11.2)

Antenna Basics: Introduction, Basic Antenna Parameters, Patterns, Beam Area, Radiation Intensity,

Beam efficiency, Directivity and Gain, Antenna Aperture Effective height, Bandwidth, Radio

communication Link, Antenna Field Zones (Text 3: 2.1-2.7, 2.9-2.11, 2.13).

MODULE-4

Point sources and arrays: Introduction, Point Sources, Power patterns, Power theorem, Radiation

Intensity, Arrays of 2 isotropic point sources, Pattern multiplication, Linear arrays of n Isotropic

sources of equal amplitude and Spacing. (Text 3: 5.1-5.6, 5.9, 5.13)

Electric Dipole: Introduction, Short Electric dipole, Fields of a short dipole. Radiation resistance of

a short dipole. Thin linear antenna (field analysis). (Text 3: 6.1-6.5)

MODULE-5

Loop and Horn antenna: Introduction: Small loop, Comparison of far fields of small loop and short

dipole. Radiation resistance of small loop, Horn Antennas, Rectangular antennas. (Text 3: 7.1,7.2,

7.4, 7.6, 7.7, 7.8, 7.19, 7.20)

Antenna Types: Yagi Uda array, Parabolic Reflector, Microstrip Antennas, Features of Microstrip

Antennas, (Text 3: 8.8, 9.5, 14.1,14.2)

PRACTICAL COMPONENT OF IPCC

Experiments

1 Measurement of frequency, guide wavelength, power and attenuation in a microwave Test

bench.

2 Measurement of VSWR and reflection coefficient and attenuation in a microwave test bench

setup

3 To measure unknown impedance using Smith chart through test bench setup.

4 Study of characteristics of E plane Tee / H plane Tee.

5 Study of characteristics of Magic Tee.

6 Determination of resonance characteristics of microstrip ring resonator and computation of

dielectric constant of the substrate.

7 Coupling and Isolation characteristics of microstrip directional coupler.

8 Determination of power division of microstrip power divider.

9 To plot a 2D and 3D radiation pattern of dipole Antenna (Use any simulation software)

10 Obtain the radiation pattern of a Yagi-Uda Antenna array and calculate its directivity.

Text Books:

1. Microwave Engineering -Annapurna Das, Sisir K Das, TMH Publication, 2ndEdition, 2010.

2. Microwave Devices and Circuits – Samuel Y Liao, Pearson Education.

3. Antennas and Wave Propagation -John D Krauss, Ronald J Marhefka, Ahmad S Khan, 4th

Edition, McGraw Hill Education, 2013.

Reference Books:

1. Microwave Engineering -David M Pozar, John Wiley India Pvt Ltd., Pvt Ltd., 3rd edition,

2008.

2. Microwave Engineering-Sushrut Das, Oxford Higher Education, 2nd Edn, 2015.

3. Antennas and Wave Propagation- Harish and Sachidananda, Oxford University Press, 2007.