A double ridge guide horn antenna is a specialized type of antenna commonly used for electromagnetic compatibility (EMC) and compliance testing in various industries. Its design offers several benefits that make it well-suited for such applications. Here are some of the benefits of using a double ridge guide horn antenna for compliance testing:

Broadband Performance: Double ridge guide horn antennas are designed to operate over a wide frequency range. This broadband performance allows them to cover a wide spectrum of frequencies in a single antenna setup, which is particularly useful for compliance testing where testing across various frequency bands is required.

High Gain: These antennas typically have high gain, which means they can efficiently radiate or receive electromagnetic signals over long distances. High gain is important in compliance testing to accurately measure emissions or susceptibility.

Low VSWR (Voltage Standing Wave Ratio): A low VSWR is indicative of good impedance matching between the antenna and the transmission line. Double-ridge guide horn antennas are designed to have a low VSWR, ensuring efficient power transfer and accurate measurements.

High Power Handling Capability: Horn antennas are capable of handling relatively high-power levels without significant distortion or damage. This is essential in compliance testing scenarios where higher power levels might be used to simulate worst-case electromagnetic interference scenarios.

Precision and Reproducibility: Horn antennas offer precise and repeatable measurement results due to their controlled radiation pattern and low signal distortion. This is crucial in compliance testing, where accurate and reproducible measurements are necessary to assess a device's compliance with regulatory standards.

Rugged Construction: Antennas used in compliance testing need to withstand harsh testing environments. Double-ridge guide horn antennas are often constructed with sturdy materials and are designed to be durable.

Calibration and Reference Antenna: Due to their well-defined radiation characteristics, horn antennas can serve as calibration or reference antennas in compliance testing setups, ensuring accurate measurements by providing a known characterized antenna.

In summary, double-ridge guide horn antennas are favored for compliance testing due to their broadband performance, high gain, low VSWR, directionality, and other features that contribute to accurate and reliable testing. When combined with proper calibration and setup, they help ensure that electronic products meet the necessary EMC requirements before entering the market.

Talk to an A.H. Systems antenna specialist today to find out how an attached battery powered preamplifier option will improve your testing capabilities.

* Calibration data and certificate at 1, 3 and 10 meter horizontal polarity included