Broad Band Horn Antenna View More

Why wideband double ridged horn antennas

There has been an increasing interest in applying wideband double ridged horn antennas in EMC test procedures because of their high gain, well-shaped beam, and easy manufacturing.

Dual ridged horn antennas became commercially available, and some standards like MILSTD-461E determined 1-18 GHz dual-ridged horn as the standard antenna for the EMC test procedures.

Applications:

EMC/RF Measurements

Detecting the Direction

Surveillance

Antenna Gain/Pattern Measurements

The frequency range of dual-ridged horn antenna

The compact design of an ultra

wideband dual ridged horn antenna (DRHA)。The antenna

operates wide band with a peak gain of about 16 dBi. It is one of the most common aperture antenna used in laboratories mainly operated in the L-band S-band C-band, X-band，K-band, Ku-band, and Ka-band, E-band (0.2GHz to 50GHz).OBH series antennas support linear polarized waveforms and appropriate for the test of wireless and telecom communication.

Why double ridge

To extend the maximum usage of the bandwidth of horns, ridges are introduced in the flared part of the antenna. This is commonly done in waveguides to lower the fundamental mode's cutoff frequency and thus expand the single-mode range before higher-order modes occur.

One common kind of ridged horn antenna is the double-ridged antenna.

Four important parts a dual-ridged horn have

A Double ridge horn antenna contains four main sub-sections:

Feeding section,

waveguide

back cavity section, ridges,

the pyramidal Figure shows the perspective view and

the cut-away view of the understudy DRHA.

The ECmicrowave broadband horn antenna presents a very low VSWR in its minor frequency range and ultra broad bandwidth. The increasing gain with frequency helps to compensate for cable losses. This horn antenna only supports linear polarization and can be used for receiving and transmitting applications.

The broadband horn antenna covers the frequency range from 0.1GHz to 40GHz with the gain from 4 dBi to 20 dBi VSWR is <2.7Max and a Single Linear Polarization.

The antenna is appropriate for the test of wireless and telecom communication antennas. High gain and low VSWR permit the measurement of weak signals and the generation of high field strengths without any significant return loss