microwave & Antennas

Module 1

syllabus 

Basic antenna parameters: gain, directivity, beam width and effective aperture calculations, effective height, wave polarization, radiation resistance, radiation efficiency, antenna field zones. Duality and Principles of reciprocity, Helmholtz theorem (derivation required), Field, directivity and radiation resistance of a short dipole and half wave dipole (far field derivation).

Video Lectures

Introduction to Antenna & parameters of antenna | Microwave & Antenna | Module 1 | Lecture 1

Topics 

00: 00 - Intro & Syllabus , 01:09 - Introduction to Antennas, 02:11 - Antenna parameters, 08:27 - Radiation pattern, 15:39 - Beam solid angle & Beam area, 18:31 - Radiation intensity, 21:08 - Beam efficiency ,23:02 - Directivity ,27:13 - Directivity of an isotropic antenna , 29:43 - Gain of an antenna

Antenna parameters part 2| effective aperture & height | Microwaves & Antennas | Mod 1 | Lecture 2

Topics 

00: 00 - Intro 00:20 - Antenna aperture  02:18 - Effective aperture of antenna 03:48 - Effective aperture of a dipole antenna 10:52 - Relationship b/w effective aperture & gain / directivity 17:17 - Effective height of antenna

Antenna parameters part 3 | Antenna efficiency, polarization | Microwaves & Antennas | Mod 1 | Lect3

Topics 

00: 00 - Antenna beam width 03:28 - Antenna efficiency 06:28 - Radiation efficiency 07:23 - Radiation resistance 08:49 - Linear polarization 13:58 - Circular polarization 17:21 - Elliptical polarization 20:55 - Antenna field zone 24:49 - Duality of antenna

Reciprocity theorem ,  Helmholtz Theorem | Microwaves & Antennas | Mod 1 | Lecture 4

Topics 

00: 00 - Reciprocity theorem & Proof

11:17 - Helmholtz Theorem

Field, Directivity & radiation resistance | short dipole | Microwaves & Antennas | Mod 1 | Lecture 5

Topics 

00: 00 - Short electric dipole Intro 03:50 - Retarded current & potentials 17:36 - Electric field due to  short dipole 25:49 - Magnetic field due to short dipole 28:01 - Far field approximation 29:22 - Radiation resistance derivation 33:58 - Effective aperture & directivity of short dipole