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What is a monopole antenna and how does it compare to a dipole?
In essence, the difference between a monopole and dipole antenna, is that a dipole antenna uses an additionally radiator to generate a synthetic ground plane between the symmetric radiator elements, where a monopole antenna requires a physical ground plane.
What is dipole and monopole?
A dipole is a symmetrical device with two identical halves The equivalent monopole comprises one of the halves positioned over a groundplane such that its image in the groundplane replaces the second half.
What are the applications of monopole antenna?
Applications – Cellular and cordless telephones, walkie-talkies, CB radios, etc. As Ground Plane Radius R increases, the gain maxima shifts towards lower resonance frequency. Gain and radiation pattern of a monopole antenna on small ground plane (< λ) are similar to that of dipole antenna.
Is a whip antenna a dipole?
The whip antenna is a monopole antenna, and like a vertical dipole has an omnidirectional radiation pattern, radiating equal radio power in all azimuthal directions (perpendicular to the antenna’s axis), with the radiated power falling off with elevation angle to zero on the antenna’s axis.
What is the difference between monopole and pole?
As nouns the difference between monopole and pole is that monopole is an appellation owned by a single winery or monopole can be (physics) a magnetic monopole while pole is originally, a stick; now specifically, a long and slender piece of metal or (especially) wood, used for various construction or support purposes or pole can be either of the two points on the earth’s surface around which it rotates; also, similar points on any other rotating object.
What is the antenna gain for monopole?
Because it radiates only into the space above the ground plane, or half the space of a dipole antenna, a monopole antenna will have a gain of twice (3 dB greater than) the gain of a similar dipole antenna, and a radiation resistance half that of a dipole.
What are the types of dipole?
There are two types of dipoles: An electric dipole occurs when positive and negative charges (like a proton and an electron or a cation and an anion) are separate from each other. Usually, the charges are separated by a small distance. Electric dipoles may be temporary or permanent. A permanent electric dipole is called an electret.
What is the mean of monopole antenna?
A monopole antenna is a class of radio antenna consisting of a straight rod -shaped conductor , often mounted perpendicularly over some type of conductive surface, called a ground plane.