Reverberation Testing

Reverberation Testing What is it?

Reverberation testing is performed in an Reverberation chamber. These chambers, also known as a reverb chamber, or mode-stirred chamber, are used for electromagnetic compatibility testing and other electromagnetic studies. It’s a shielded room designed to minimize electromagnetic energy absorption, enabling high field strength with moderate input power. The chamber acts as a cavity resonator, resulting in non-uniform spatial distribution of field strengths (standing waves). To mitigate this, one or more tuners (stirrers) are employed. Tuners are constructed with large metallic reflectors that can be repositioned for varied boundary conditions. The Lowest Usable Frequency (LUF) of an EMRC depends on its size and tuner design, with smaller chambers typically having higher LUFs than larger ones.

Reverberation Testing Software - RadiMation®

RadiMation® offers various test types, including a Reverb testing module. When used with RadiSense®, calibrating and measuring uniform fields becomes straightforward. Together, they provide a comprehensive solution for efficient and accurate electromagnetic testing. Check out RadiMation® now and download it for free!

RadiMation Module

To address this challenge, RadiMation’s Reverberation immunity test module integrates advanced tuners, or stirrers, into the testing environment. These tuners are meticulously constructed with large metallic reflectors, strategically positioned to optimize boundary conditions within the chamber. By precisely manipulating the placement of these tuners, RadiMation Pro ensures the creation of a controlled electromagnetic environment conducive to reliable testing outcomes.

Furthermore, it’s essential to recognize the significance of the Lowest Usable Frequency (LUF) in determining the effectiveness of an Electromagnetic Reverberation Chamber (EMRC). The LUF of a chamber is intricately linked to its size and tuner design, with smaller chambers typically exhibiting higher LUFs compared to their larger counterparts.

RadiSense® Reverberation Systems

The RadiSense® and Reverberation Calibration Set of 8 Probes represents a cutting-edge solution tailored to meet the stringent requirements of the ISO11451-5 standard. Designed for precise electromagnetic compatibility (EMC) testing, this suite of probes offers great accuracy and reliability in assessing radiated emissions and immunity within reverberation chambers.

Each probe within the set is meticulously crafted to ensure optimal performance and consistency across a range of frequencies. From E-field probes for localized measurements to electric field probes for Calibration, every component is engineered to deliver precise data in compliance with ISO11451-5 guidelines.

The RadiSense® and Reverberation Calibration Set empowers engineers and researchers with the tools needed to conduct comprehensive EMC evaluations with confidence. Whether assessing the electromagnetic environment of electronic devices or validating the performance of automotive components, this suite offers versatility and accuracy crucial for success in today’s demanding regulatory landscape.

Testing in your Reverb Chamber

The RadiSense® E-Field probe stands as an exemplary solution perfect for Reverberation testing and E-Field measurements within chamber environments. Crafted with precision, this probe offers unparalleled performance and accuracy, making it an indispensable tool for EMC testing professionals.

Designed to excel in Reverberation testing scenarios, the RadiSense® E-Field probe offers remarkable sensitivity and reliability. Its advanced construction ensures precise detection and measurement of electromagnetic fields within reverberation chambers, enabling thorough analysis and assessment of electromagnetic compatibility characteristics.

RadiSense® System

Reverberation - (very) Fast Stir Mode

Reverberation System

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The RSR1008S Reverberation set is a state-of-the-art RF system designed to streamline Reverberation EMC testing. With its wide frequency range up to 18 GHz, it delivers exceptional performance for uses with normal Reverberation testing but also fast stir modes.

Thanks to its high-speed operation, the RSR1008S supports very fast stir modes within reverberation chambers. being able to measuring field with tuner rotation speeds of 2.5 rotations per second!

These features makes the RadiSense 18U and the RSR1008S Reverberation system not only a very accurate probe but also the fastest probe in the world!

RadiSense® System

Reverberation - Tuned mode

RadiSense® eight probe system

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The ISO11451-5 RadiSense® system solution, based on a RadiCentre® Ultra 8-slots modular test system equipped with eight (8x) RadiSense® E-field probes, offers a highly efficient setup for reverberation chamber immunity testing. This configuration ensures comprehensive electromagnetic field measurements, where all eight field probes are measuring simultaneously, adhering to ISO standards for automotive EMC testing as well as Mil-Std and Aerospace testing. Each RadiSense® probe delivers precise, real-time data, while the RadiCentre® Ultra consolidates and manages the data seamlessly, enhancing operational efficiency. The system’s robust design supports thorough testing environments, providing reliable, accurate results essential for developing and validating electronic components across automotive, defense, and aerospace sectors. This integrated approach maximizes productivity and precision in EMC testing within reverb chambers.

Reverberation Testing