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BS ISO 11452-9:2021

BS ISO 11452-9:2021

$215.11

Road vehicles. Component test methods for electrical disturbances from narrowband radiated electromagnetic energy – Portable transmitters

Published By Publication Date Number of Pages
BSI 2021 88
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This document specifies test methods and procedures for testing electromagnetic immunity of electronic components for passenger cars and commercial vehicles to portable transmitters in close proximity, regardless of the propulsion system (e.g. spark-ignition engine, diesel engine, electric motor). The device under test (DUT), together with the wiring harness (prototype or standard test harness), is subjected to an electromagnetic disturbance generated by portable transmitters inside an absorber-lined shielded enclosure, with peripheral devices either inside or outside the enclosure. The electromagnetic disturbances considered are limited to continuous narrowband electromagnetic fields.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
8 5 Test location
6 Test instrumentation
6.1 General
6.2 Simulated portable transmitters
6.2.1 General
9 6.2.2 Dual directional coupler
6.2.3 Power monitoring
10 6.2.4 Low loss coaxial cable
6.2.5 Vector network analyser (VNA)
6.2.6 Transmit antenna
11 6.2.7 Stimulation and monitoring of the DUT
7 Test set-up
7.1 Ground plane
7.2 LV power supply system
12 7.3 HV power supply system
7.4 Location of the DUT
13 7.5 Location of the test harness
7.6 Location of the load simulator
7.7 Location of the simulated portable transmitter equipment.
23 8 Test procedure
8.1 General
8.2 Test plan
8.3 Test procedure
8.3.1 General
24 8.3.2 DUT test
26 8.3.3 Antenna positioning for coupling to the DUT/connectors
31 8.3.4 Antenna positioning for coupling to harness
41 8.4 Test report
42 Annex A (normative) Net power characterization procedure
54 Annex B (informative) Typical characteristics and use of portable transmitters
57 Annex C (informative) Characteristics of simulated portable transmitter antenna
79 Annex D (informative) Function performance status classification (FPSC)
80 Annex E (informative) Remote/local grounding
82 Annex F (informative) Broadband noise source by AWG (arbitrary waveform generator)

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BS ISO 11452-9:2021
$215.11