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IEEE/ANSI C63.4-1992

Historical Revision

American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz

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Revision Standard - Superseded. Uniform methods of measurement of radio noise emitted from low-voltage electrical and electronic equipment, including digital and other information technology equipment, in the frequency range of 9 kHz to 40 GHz are set forth. Both unintentional and certain intentional radiators are included. Methods for the measurement of radiated and powerline conducted radio noise are covered and may be applied to any such equipment unless otherwise specified by individual equipment requirements.
This standard sets forth uniform methods of measurement of radio-frequency (RF) signals and noise emitted from both unintentional and intentional emitters of RF energy in the frequency range 9 kHz to 40 GHz. Methods for the measurement of radiated and ac powerline conducted radio noise are covered and may be applied to any such equipment unless otherwise specified by individual equipment requirements. These methods cover measurement of certain devices that deliberately radiate energy, such as intentional emitters, but does not cover licensed transmitters. This standard is not intended for certification/approval of avionic equipment or for industrial, scientific, and medical (ISM) equipment. These methods apply to the measurement of individual units or systems comprised of multiple units. Additional methods may be added to this standard to fulfilll future requirements as needed. The methods used for validation of test sites, such as open area sites and absorber-lined rooms for frequencies in the range of 30 to 1000 MHz, are contained in this standard. Further work on absorber-lined room validation is under consideration. An effort has been made, wherever possible, to harmonize the measurement procedures contained herein with those in effect internationally.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C63.4
Publication Date July 17, 1992
Language en - English
Page Count 112
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
June 20, 2014 C63.4-2014 Revision
June 22, 2001 C63.4-2001 Revision
July 17, 1992 C63.4-1992 Revision
March 21, 1991 C63.4-2000 Revision
Nov. 23, 1989 C63.4-1988 Revision