IEEE C63.5-1998
American National Standard for Electromagnetic Compatibility Radiated Emission Measurements in Electromagnetic Interference (EMI) Control Calibration of Antennas (9 kHz to 40 GHz)
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About This Item
C63.5-1998 is an American National Standard focused on radiated emission measurements used in electromagnetic interference control, with procedures for antenna calibration from 9 kHz to 40 GHz. It is relevant to engineers and test labs working in electromagnetic compatibility, where measurement repeatability and traceable antenna factors can affect results. As a superseded standard, it still helps define the technical basis for legacy EMC testing practices and historical compliance records.
C63.5-1998 overview
This standard addresses the measurement methods used to characterize radiated emissions and calibrate antennas across a wide frequency range. In the context of fields, waves, and electromagnetics, C63.5-1998 supports controlled testing conditions, consistent antenna performance data, and more reliable EMI assessments. It is typically used as a reference for laboratory procedures where accurate field strength measurement and antenna calibration are necessary for comparing results across facilities or test programs.
Typical use cases
C63.5-1998 is commonly consulted in EMC test laboratories, antenna calibration workflows, and radiated emissions measurement setups. It may be used when preparing antennas for validation over low-frequency through microwave ranges, or when confirming test equipment behavior in EMI control environments. The standard can also support documentation for legacy product qualification, calibration traceability, and measurement planning for devices, systems, and subsystems that must be evaluated against radiated interference requirements.
Why this standard matters
Accurate radiated emission testing depends on consistent calibration methods, and this standard helps reduce variation in how antennas and measurement systems are handled. For compliance teams, it can improve confidence in reported field-strength data and support defensible test outcomes. For procurement and engineering groups, C63.5-1998 offers a clear technical reference when maintaining older EMC procedures or comparing results between facilities. Its value lies in measurement consistency, not product design alone.
- Radiated emission measurement methods
- Antenna calibration from 9 kHz to 40 GHz
- EMI control and EMC test support
- Legacy compliance and traceability reference
- Publication Date: 2006
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Fields, Waves and Electromagnetics
- Official IEEE: Doi link
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