Section-A
Retarded potential, field of short dipole, Antenna pattern & antenna parameters Antenna pattern, Gain,
Directivity, Radiation resistance, Aperture, Beam-width etc, Reciprocity theorem for antenna.
.
Section-B
Wave equation for radiated fields from current and voltage sources in terms of electric scalar potential and
magnetic vector potential .Fields and pattern of an infinitesimal dipole. Definition of various potentials
used in antenna theory .:
Relation between current distribution and field pattern of an antenna, linear antenna, half wave dipole,
Antenna impedance, Directivity, Radiation resistance, Directional properties, Effect of ground on antenna
pattern, Input impedance Broad band matching.
Section-C
Two element array, broad side, End fired pattern, Beam width pattern multiplication, multi element array
and their properties, Synthesis of an array.parabolic feed antena, conical, helix, log periodic, horn,
Microwave antenna ground waves propagation, Space waves propagation, Effect of Earth, Duct formation,
Ionosphere, and sky wave
Section-D
TELEVISION SYSTEM:
Picture transmission, sound transmission, picture reception, sound reception synchronization, receiver
controls, color television. Monochrome picture tube, Beam deflection, screen phosphor, face plate, picture
tube characteristics, picture tube, circuit controls. Television Camera Tubes: Basic principal, Image
orthicon, Vidicon.