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Digital avionics susceptibility to high energy radio frequency fieldsGenerally, noncritical avionic systems for transport category aircraft have been designed to meet radio frequency (RF) susceptibility requirements set forth in RTCA DO 160B, environmental conditions and test procedures for airborne equipment. Section 20 of this document controls the electromagnetic interference (EMI) hardening for avionics equipment to levels of 1 and 2 V/m. Currently, US equipment manufacturers are designing flight-critical fly-by-wire avionics to a much higher level. The US Federal Aviation Administration (FAA) has requested that the RTCA SC-135 high-energy radio frequency (HERF) working group develop appropriate testing procedures for section 20 of RTCA DO 160B for radiated and conducted susceptibility at the box and systems level. The FAA has also requested the SAE AE4R committee to address installed systems testing, airframe shielding effects and RF environment monitoring. Emitters of interest include radar (ground, ship, and aircraft) commercial broadcast and TV station, mobile communication, and other transmitters that could possibly affect commercial aircraft.
Document ID
19880063797
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Larsen, William E.
(NASA Ames Research Center; FAA Moffett Field, CA, United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1988
Subject Category
Communications And Radar
Meeting Information
Meeting: NAECON 88
Location: Dayton, OH
Country: United States
Start Date: May 23, 1988
End Date: May 27, 1988
Accession Number
88A51024
Distribution Limits
Public
Copyright
Other

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