Edition 1.0 2017-03
INTERNATIONAL STANDARD
NORME INTERNATIONALE
BASIC EMC PUBLICATIONPUBLICATION FONDAMENTALE EN CEM
Electromagneticpatibility(EMC)Part4-39:Testingandmeasurement techniques-Radiated fields in closeproximity-Immunitytest
Compatibiliteelectromagnetique(CEM)-Partie4-39:Techniquesd'essaiet demesure-Champsrayonnesaproximite-Essai d'immunite
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INTERNATIONAL STANDARD
NORME INTERNATIONALE
BASIC EMC PUBLICATIONPUBLICATION FONDAMENTALE EN CEM
Electromagneticpatibility(EMC)-Part4-39:Testing and measurement techniques-Radiated fieldsin closeproximity-Immunitytest
Compatibiliteelectromagnetique(CEM)-Partie4-39:Techniques d'essaiet de mesure-Champsrayonnesaproximite-Essai d'immunite
ELECTROTECHNICAL INTERNATIONALCOMMISSION
COMMISSIONELECTROTECHNIQUEINTERNATIONALE
ICS 33.100.20
ISBN 978-2-8322-4082-3
CONTENTS
INTRODUCTION. FOREWORD. .7 .5A Scope ..1.02 Normative references ..1.03 Terms definitions and abbreviated terms. .113.2 3.1 Terms and definitions.. Abbreviated terms. ..12 .114 General 135 Test levels. ...145.1 5.2 Test frequencies. General. .14 .145.3 Test levels in the frequency range of 9 kHz to 150 kHz. ..155.4 Test levels in the frequency range of 150 kHz to 26 MHz. .165.5 5.6 Test levels in the frequency range of 26 MHz to 380 MHz. Test levels in the frequency range of 380 MHz to 6 GHz . ...16 166 Test equipment. ..186.1 Magnetic field immunity. 186.1.1 6.1.2 Magnetic field immunity 9 kHz to 150 kHz. General. ...18 .186.1.3 Magnetic field immunity 150 kHz to 26 MHz. .196.2 Radiated RF field immunity . Field generating devices 26 MHz to 380 MHz6.2.1 6.2.2 Field generating devices 380 MHz to 6 GHz ..19 .197 Test setup .207.1 7.1.1 Magnetic field immunity. Test facility .207.1.2 Arrangement of equipment under test. .20 207.1.3 Test method using radiating loop... ..227.2 7.2.1 Radiated RF field immunity Test facility 22 227.2.2 Arrangement of equipment under test . .228 Test procedure .238.2 8.1 Climatic condition.. General. .23 .238.3 Electromagnetic conditions 248.4 Arrangement and operating modes of the EUT. -248.5 8.5.1 Magnetic field immunity Level setting procedure 9 kHz to 150 kHz. 24 248.5.2 Level setting procedure 150 kHz to 26 MHz. 248.5.3 Radiated RF field immunity - Execution of the test. .27 258.6 8.6.1 Level setting procedure .278.6.2 Execution of test. 27Evaluation of test results
10Test report. 30Annex A (normative) TEM horn antenna. A.1 General. .32 .32A.2 Frequency range.. .32A.3 VSWR. ..32A.4 A.5 Field distribution General design for TEM horn antenna. 32 .34Annex B (informative) Test frequencies levels and modulations ..36B.1 General. ..36B.3 B.2 Radio services in the range from 26 MHz to 6 GHz... Magnetic emitters in the range from 9 kHz to 26 MHz .36Annex C (informative) In situ testing. .39C.1 Test procedure.. General. .39C.2 C.3 Test report ...39 ..39Bibliography.. .40
Figure 1 - Overview showing the test methods that could be used for evaluating equipment immunity to disturbances from RF transmitters .... .13Figure 2 - Close-proximity test methods addressed in this document.. ..14Figure 3 - Definition of the 80 % amplitude-modulated (AM) test level and the ..5waveshapes occurring at the output of the signal generator... Figure 4 - Example of the pulse-modulated (50 % duty cycle 217 Hz) test level andthe waveshapes occurring at the output of the signal generator . ...17Figure 5 - Example of equipment testing on floor-standing EUT using radiating loop .21Figure 6 - Example of equipment testing on floor-standing EUT using radiating loopantenna - Frequency range 150 kHz to 26 MHz (80 mm x 80 mm window size) ... Figure 7 - Principle of equipment testing on floor-standing EUT using TEM horn ..21antenna ... ..23Figure 8 - Radiating loop level setting... ..25Figure 9 - Principle of equipment testing with radiating loop. .26Figure 10 - Example of the test pattern using a 300 mm x 300 mm window size for the uniform area ... .28Figure 11 - Arrangement of level setting.. ...29Figure 12 - Example of TEM horn antenna orientations . ...30Figure A.1 - Example of field uniformity verification setup Figure A.2 - Field uniformity measurement setup ...34 ..33Figure A.3 Example of field uniformity at 1 5 GHz (simulated) for TEM horn antennahaving an aperture dimension of 205 mm x 205 mm.. ...34Figure A.4 - Example of general design principle of TEM horn antenna . ..35
Table 1 - Test levels for inhomogeneous magnetic fields 9 kHz to 150 kHz .. ...15Table 2 Test levels for inhomogeneous magnetic fields 150 kHz to 26 MHz .16Table 3 - Test levels for RF fields from transmitters used in close proximity 380 MHzto 6 GHz ... .17
