What is an EMC Antenna?

EMC Antennas are used in radiated EMC testing to transmit or receive electromagnetic signals during emissions and immunity measurements. These antennas are selected based on frequency range and test requirements defined by standards such as CISPR 16 and IEC 61000-4-3. Common types include biconical antennas for low-frequency measurements, log-periodic antennas for mid-frequency ranges, and horn antennas for high-frequency and microwave testing. Each antenna type is designed to provide predictable radiation characteristics and consistent performance over its specified frequency band.

Accurate calibration is a critical requirement for EMC Antennas, as measurement results depend on known antenna factors, gain, and polarization characteristics. Calibration data is used to convert measured voltage levels into field strength values, ensuring traceable and standards-compliant results. These antennas are typically designed for 50-ohm impedance to match standard RF measurement equipment and minimize signal reflections. Consistent radiation patterns and stable performance across the operating frequency range are important for reducing measurement uncertainty.

EMC Antennas are engineered to support both horizontal and vertical polarization, allowing testing under different field orientations to identify worst-case emission and susceptibility conditions. Mechanical design considerations such as mounting compatibility, structural stability, and environmental durability are also important, especially for use in open area test sites and anechoic chambers. Many antennas are optimized for broadband performance, reducing the need for frequent antenna changes during wideband testing.

EMC Antennas are widely used in EMC compliance testing, product certification, automotive electronics validation, aerospace systems testing, and research and development. They are used in conjunction with EMI receivers, spectrum analyzers, signal generators, and amplifiers to form complete EMC test systems. Their performance directly impacts the accuracy and repeatability of radiated measurements, making proper antenna selection and calibration essential for reliable EMC testing.

The Largest Database of EMC Antennas

EMC Directory lists EMC Antennas from the leading manufacturers. Use the parametric search tools to narrow down on EMC Antennas based on your requirement. Once you find products that meet your specification, view product details, download the datasheet, compare products and request quotations. Inquiries generated via everything RF are directed to the manufacturers, who get back to you with a quote or information.