Folded Dipole Antenna
Folded Dipole Antenna A folded dipole antenna is a modified λ/2 dipole with an additional wire connecting its two ends. The folded dipole antenna is an extremely practical wire antenna…
Electromagnetic (EM) Wave Propagation
Electromagnetic (EM) Wave Propagation Electromagnetic (EM) Wave Propagation: Electromagnetic wave in the frequency spectrum of 0.001 to 1016 Hertz is arbitrarily termed as radio waves, although broadly speaking by radio…
Ground (Surface) Wave
Ground or Surface Wave A wave is said to be a ground wave or surface wave when it propagates from transmitter to receiver by gliding over the surface of the earth. This wave exists…
Rhombic Antenna | features & advantages
Rhombic Antenna The rhombic antenna is based on the principle of travelling wave radiator. By application of return conductor, two wires are pulled apart at a point so that diamond…
Lens Antenna |Features and applications
Lens Antenna Lens Antenna is an antenna that consists of an electromagnetic lens with a feed. In other words, a lens antenna is a three-dimensional electromagnetic device whose refractive index…
Babinet’s Principle
Babinet’s Principle Babinet’s principle states that the sum of the field at a point behind a plane having a screen and the field at the same point when a complementary screen…
Difference between Broadside and End fire array
Difference between Broadside and End fire array In this post, we will see & learn about the basic difference between Broadside and End fire array. First of all the basic…
Antenna Array: Broadside, End-fire, Collinear, Parasitic Array
Antenna Array An antenna array is a system of similar antennas oriented similarly to get greater directivity in the desired direction. It may be defined as, “A radiating system consisting…
HELICAL ANTENNA & its Specifications
Helical antenna is an antenna which has a helix or spring shape. Its polarisation and radiation properties depend on the diameter, pitch, number of turns, wavelength, excitation and spacing between…
Horn Antenna
Horn Antenna The antenna which has the shape of horn is called as ‘Horn Antenna’. Its shape is as because of a waveguide has one end of which is flared…