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This standard is being revised to document the adoption by reference of three International Standards ISO 11451-2, ISO 11451-3 and ISO 11451-4 and to make other minor changes.
This SAE Standard covers the measurement of radio frequency radiated emissions and immunity. Each part details the requirements for a specific type of electromagnetic compatibility (EMC) test and the applicable frequency range of the test method. The methods are applicable to a vehicle or other device powered by an internal combustion engine or electric motor. Operation of all engines (main and auxiliary) of a vehicle or device is included. All equipment normally operating when the engine is running is included. Operator controlled equipment is included or excluded as specified in the individual document parts. The recommended levels apply only to complete vehicles in their final manufactured form. Vehicle-mounted rectifiers used for charging in electric vehicles are included in Part 2 of this document when operated in their charging mode. Additional charger requirements are under development in SAE J551-5. Emissions from intentional radiators are not controlled by this document. (See applicable appropriate regulatory documents.) The immunity of commercial mains powered equipment to overvoltages and line transients is not covered by this document. (See applicable UL or other appropriate agency documents.).
This SAE Standard covers the measurement of radio frequency radiated emissions and immunity. Each part details the requirements for a specific type of electromagnetic compatibility (EMC) test and the applicable frequency range of the test method. The methods are applicable to a vehicle or device powered by an internal combustion engine or electric motor. Operation of all engines (main and auxiliary) of a vehicle or device is included. All equipment normally operating when the engine is running is included. Operator controlled equipment is included or excluded as specified in the individual document parts. The recommended levels apply only to complete vehicles in their final manufactured form. Vehicle-mounted rectifiers used for charging in electric vehicles are included in Part 2 of this document when operated in their charging mode. Emissions from intentional radiators are not controlled by this document. (See applicable, appropriate regulatory documents.) The immunity of commercial mains powered equipment to overvoltages and line transients is not covered by this document.
This SAE Standard covers the measurement of voltage transient immunity and within the applicable frequency ranges, audio (AF) and radio frequency (RF) immunity, and conducted and radiated emissions. Emissions from intentional radiators are not controlled by this document. (See applicable appropriate regulatory documents.) The immunity of commercial mains powered equipment to over voltages and line transients is not covered by this document.
SCOPEThis SAE Standard covers the measurement of voltage transient immunity and within the applicable frequency ranges, audio (AF) and radio frequency (RF) immunity, and conducted and radiated emissions.By reference, IEC CISPR 25 is adopted as the standard for the measurement of component emissions. In the event that an Amendment is made to the referenced edition of CISPR 25 or a new edition is published, the new IEC document shall become part of this standard six months after the publication of the IEC document. SAE reserves the right to identify exceptions to the published IEC document with the exceptions to be documented in SAE J1113-41.Emissions from intentional radiators are not controlled by this document. (See applicable appropriate regulatory documents.) The immunity of commercial mains powered equipment to over voltages and line transients is not covered by this document.RATIONALEThis document has been revised to reflect changes to the various parts of this series of documents. SAE J1113-23 and SAE J1113-25 have been withdrawn because they are no longer significantly used in industry. A new document, SAE J1113-28, has been released and is included. SAE J1113-41 has been withdrawn as a complete standard and IEC CISPR 25 is adopted by reference. Reference documents have been updated and additional definitions have been included.
This SAE Standard covers the measurement of Impulse Electric Field Strength radiated over the frequency range of 201000 MHz from a vehicle or other device powered by an internal combustion engine or electric motor. Operation of all engines (main and auxiliary) on a vehicle or other device is included. All equipment normally operating when the engine is running is also included, except operator-controlled equipment, which is excluded. The recommended level applies only to complete vehicles or devices in their final manufactured form. Vehicle mounted rectifiers used for battery charging in electric vehicles are included in this specification when operated in their charging mode.
This SAE Standard covers the measurement of broadband electromagnetic radiation over the frequency range of 30 to 1000 MHz from a vehicle or other device powered by an internal combustion engine or electric motor. Operation of all engines (main and auxiliary) of a vehicle or device is included. All equipment normally operating when the engine is running is also included except operator-controlled equipment, which is excluded. The recommended level applies only to complete vehicles or devices in their final manufactured form. Vehicle mounted rectifiers used for battery charging in electric vehicles are included in this document when operated in their charging mode.
With the advent of computer based electronics being utilized in automobiles, the Electromagnetic Radiation Subcommittee has deemed it prudent that a new test method be written to provide a common test for the measurement of narrowband radiation from vehicles and devices. This SAE Standard covers methods of measuring incidental narrowband radiation from vehicles and devices. The standard also establishes performance levels intended to protect nearby communication and broadcast receivers. It is intended to serve as an alternate method of measuring electromagnetic radiation which is analogous to the FCC Part 15 methodology but adapted to measuring vehicles. The equivalent procedures for broadband emissions are set forth in SAE J551. This standard covers narrowband emissions in the frequency range of 10 kHz to 1000 MHz. An example of such radiation is the unintended emission from on-board logic and computer modules. In particular, the standard is intended to provide protection to adjacent mobile communication and broadcast receivers (vertical E-Field test) and portable broadcast radios (magnetic field test). In the future horizontal E-Field measurement requirements will be considered.
This part of SAE J1113 specifies test methods and procedures fortesting electromagnetic immunity (of vehicle radiation sources) ofelectronic components for passenger cars and commercial vehicles.To perform this test method, the electronic module along with thewiring harness (prototype or standard test harness) and peripheraldevices will be subjected to the electromagnetic disturbancegenerated inside an absorber-lined chamber. the electromagneticdisturbances considered in this part of SAE J1113 are limited tocontinuous narrowband electromagnetic fields.Immunity measurements of complete vehicles are generally onlyperformed at the vehicle manufacturer. The reasons, for example,are high costs of a large absorber-lined chamber, preserving thesecrecy of prototypes, or the large number of different vehiclemodels. Therefore, for research, development and quality control, alaboratory measuring method shall be applied by themanufacturers.Part 1 of SAE J1113 specifies the general, definitions,practical use, and basic principles of the test procedure.
Vehicle electrical/electronic systems may be affected when immersed in an electromagnetic field generated by sources such as radio and TV broadcast stations, radar and communication sites, mobile transmitters, cellular phones, etc. Reverberation method is used to evaluate the immunity of electronic devices in the frequency range of 400 MHz - 18GHz. Pulse modulation is used for testing above 800 MHz. This document provides the component design and test engineers with a test procedure and the performance requirements necessary to evaluate the immunity of electronic devices to radiated electromagnetic fields early in the design stage as well as pilot and production stages. Ensuring electromagnetic compatibility early in the development stage will minimize costly changes later in the program and will prevent excessive component level hardening during full-vehicle level testing. The reverberation test method performs a dual function: The primary function of the method is to provide a bench test procedure correlatable to vehicle-level radiated immunity testing in the anechoic chamber and at mobile transmitter sites. The method can be used to evaluate the relative performance of different designs of the same device.J1113/28 is being canceled in favor of ISO 11452-11.