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Conical Horns

What is conical Horn antenna

An efficient microwave antenna is a conical horn shown in the Figure below.

The waveguide of the conical horn antenna different from the pyramidal horn antenna

While the pyramidal, E-, and H-plane sectoral horns are usually fed by a rectangular

waveguide, the feed of a conical horn is often a circular waveguide or rectangular waveguide.


Directivity of a conical horn

Directivity of a conical horn as a function of aperture diameter and for different axial horn lengths.


Radiation Pattern

A comparison of both radiation

patterns can be found in Figure, where it can be seen that both horns have good

radiation pattern characteristics.


Conical Horn Antenna is presented as both standard and custom models with either a circular or rectangular waveguide interface. Circular waveguide interface can support many polarization kinds counting horizontal, vertical, left-handed circular, and right-handed circular polarization for wider applications, while Conical Horn Antennas with a rectangular waveguide interface can only support linear polarization.

Conical Horn Antennas can be considered to be a waveguide that has been broadened out in the form of a horn. As a product, it finds many applications in areas where waveguides are used.

Conical Horn forms a flat change between the waveguide and free space whilst also pointing the radio waves in a beam. Conical Horn Antenna display better reflectivity levels in the quiet zone of tapered chambers, with low VSWR across the range. Conical Horn Antennas covers the frequency range from 50GHz to 140GHz, standard gain from 14dbi to 25dbi, and VSWR is 1.15:1.