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SAE ARP958 Rev E

Current Revision

Electromagnetic Interference Measurement Antennas; Calibration Method

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This SAE Aerospace Recommended Practice outlines a standardized and economical method for the checkout and calibration of electromagnetic interference measurement antennas. Its application is for use when measuring a source 1 m from the antenna in a shield room. This is the typical distance used in performing military EMC testing. The influence of the shield room on the measured field strength is not considered. This standard does not address the measurement of emissions from an unknown distributed source, yet it attempts to resemble reality by using another antenna, in the calibration method, that represents a distributed source. This document presents a technique to determine antenna factors for antennas used primarily in performing measurements in accordance with References 2.1 and 2.2 . The purpose of Revision B was to include the calibration of other antennas, such as biconical, horn, monopole and small loop antennas that are also specified for use in these same references. Revision D includes a specific procedure for loop antennas that are separated by 1 m from the device under test. Revision E adds the inclusion of modern instrumentation, instruction on how to calibrate the hybrid antenna, and attempts to improve upon the clarity of this document for the user.

SDO SAE: SAE International
Document Number ARP958
Publication Date Sept. 1, 2021
Language en - English
Page Count 30
Revision Level E
Supercedes
Committee
Publish Date Document Id Type View
Sept. 1, 2021 ARP958E Revision
March 1, 1999 ARP958D Revision
Jan. 1, 1997 ARP958C Revision
March 1, 1996 ARP958B Revision
Nov. 5, 1992 ARP958A Revision
March 1, 1968 ARP958 Revision