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GB/T 6113.104-2021 English PDF (GBT6113.104-2021)

GB/T 6113.104-2021 English PDF (GBT6113.104-2021)

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GB/T 6113.104-2021: Specification for radio disturbance and immunity measuring apparatus and methods -- Part 1-4: Radio disturbance and immunity measuring apparatus -- Antennas and test sites for radiated disturbance measurements

GB/T 6113.104-2021
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 33.100
CCS L 06
GB/T 6113.104-2021 / CISPR 16-1-4:2019
Replacing GB/T 6113.104-2016
Specification for Radio Disturbance and Immunity Measuring
Apparatus and Methods – Part 1-4: Radio Disturbance and
Immunity Measuring Apparatus – Antennas and Test Sites for
Radiated Disturbance Measurements
(CISPR 16-1-4:2019, IDT)
ISSUED ON: DECEMBER 31, 2021
IMPLEMENTED ON: JULY 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 4
Introduction ... 8
1 Scope ... 9
2 Normative References ... 9
3 Terms, Definitions and Abbreviated Terms ... 10
3.1 Terms and definitions ... 10
3.2 Abbreviated terms ... 16
4 Antennas for Measurement of Radiated Radio Disturbance ... 16
4.1 General ... 16
4.2 Physical parameter (measurand) for radiated disturbance measurements ... 17 4.3 Antennas for the frequency range 9 kHz ~ 150 kHz ... 17
4.4 Antennas for the frequency range 150 kHz ~ 30 MHz ... 18
4.5 Antennas for the frequency range 30 MHz ~ 1 000 MHz ... 19
4.6 Antennas for the frequency range 1 GHz ~ 18 GHz... 26
4.7 Special antenna arrangements – large-loop antenna system ... 28
5 Test Sites for Measurement of Radio Disturbance Field Strength for the Frequency Range of 9 kHz ~ 30 MHz ... 29
6 Test Sites for Measurement of Radio Disturbance Field Strength for the Frequency Range of 30 MHz ~ 1 000 MHz ... 29
6.1 General ... 29
6.2 OATS ... 29
6.3 Suitability of other test sites... 32
6.4 Test site validations ... 33
6.5 Basic parameters of the NSA method for OATS and SAC ... 34
6.6 Reference site method for OATS and SAC ... 38
6.7 Validation of an OATS by the NSA method ... 45
6.8 Validation of a weather-protection-enclosed OATS or a SAC ... 48
6.9 Possible causes for exceeding site acceptability limits ... 51
6.10 Site validation for FARs ... 51
6.11 Evaluation of set-up table and antenna tower ... 60
7 Test Sites for Measurement of Radio Disturbance Field Strength for the Frequency Range 1 GHz ~ 18 GHz ... 63
7.1 General ... 63
7.2 Reference test site ... 63
7.3 Test site validation ... 64
7.4 Antenna requirements for SVSWR standard test procedure ... 66
7.5 Required positions for site validation testing ... 69
7.6 SVSWR site validation – standard test procedure ... 75
7.7 SVSWR site validation – reciprocal test procedure using an isotropic field probe ... 77 7.8 SVSWR conditional measurement position requirements ... 78
7.9 SVSWR site validation test report ... 79
7.10 Limitations of the SVSWR site validation method ... 79
7.11 Alternative test sites ... 79
8 Common Mode Absorption Devices ... 80
8.1 General ... 80
8.2 CMAD S-parameter measurements ... 80
8.3 CMAD test jig ... 80
8.4 Measurement method using the TRL calibration ... 81
8.5 Specification of ferrite clamp-type CMAD ... 84
8.6 CMAD performance (degradation) check using spectrum analyzer and tracking generator ... 85
9 Reverberating Chamber for Total Radiated Power Measurement ... 87
9.1 General ... 87
9.2 Chamber ... 87
10 TEM Cells for Immunity to Radiated Disturbance Measurement ... 90
Annex A (Normative) Parameters of Antennas ... 91
Annex B ... 98
Annex C (Normative) Large-Loop Antenna System for Magnetic Field Induced- Current Measurements in the Frequency Range of 9 kHz ~ 30 MHz ... 99
Annex D (Normative) Construction Details for Open Area Test Sites in the Frequency Range of 30 MHz ~ 1 000 MHz (see Clause 6) ... 110
Annex E ... 114
Annex F (Informative) Basis for ± 4 dB Site Acceptability Criterion (see Clause 6) ... 115
Annex G (Informative) Examples of Uncertainty Budgets for Site Validation of a COMTS using RSM with a Calibrated Antenna Pair (see 6.6) ... 117
Bibliography ... 120
Foreword
This document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1: Rules for the Structure and Drafting of Standardizing Documents. GB/T(Z) 6113 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods is the basic standard for electromagnetic compatibility.
This Document is Part 1-4 of GB/T (Z) 6113. GB/T (Z) 6113 has published the following parts: Part 1: Radio Disturbance and Immunity Measuring Apparatus
--- Part 1-1: Radio Disturbance and Immunity Measuring Apparatus – Measuring Apparatus; --- Part 1-2: Radio Disturbance and Immunity Measuring Apparatus – Coupling Devices for Conducted Disturbance Measurements;
--- Part 1-3: Radio Disturbance and Immunity Measuring Apparatus – Ancillary Equipment – Disturbance Power;
--- Part 1-4: Radio Disturbance and Immunity Measuring Apparatus – Antennas and Test Sites for Radiated Disturbance Measurements;
--- Part 1-5: Radio Disturbance and Immunity Measuring Apparatus – Antenna Calibration Sites and Reference Test Sites for 5MHz ~ 18GHz;
--- Part 1-6: Radio Disturbance and Immunity Measuring Apparatus – EMC Antenna Calibration.
Part 2: Methods of Measurement of Radio Disturbance and Immunity
--- Part 2-1: Methods of Measurement of Radio Disturbance and Immunity – Conducted Disturbance Measurement;
--- Part 2-2: Methods of Measurement of Radio Disturbance and Immunity – Measurement of Disturbance Power;
--- Part 2-3: Methods of Measurement of Radio Disturbance and Immunity – Radiated Disturbance Measurements;
--- Part 2-4: Methods of Measurement of Radio Disturbance and Immunity – Immunity Measurement;
--- Part 2-5: On-site Measurement of Disturbance Emission from Large Equipment. Part 3: CISPR Technical Reports
--- Part 3: CISPR Technical Reports.
Part 4: Uncertainties, Statics and Limit Modelling
--- Part 4-1: Uncertainties, Statics and Limit Modelling - Uncertainty of Standardized EMC Testing;
--- Part 4-2: Uncertainties, Statics and Limit Modelling – Measurement Instrumentation Uncertainty;
--- Part 4-3: Uncertainties, Statics and Limit Modelling - Statistical Considerations for the Determination of EMC Compliance of Bulk Products;
--- Part 4-4: Uncertainties, Statics and Limit Modelling – Complaint Statistics and Calculation Model of Limits;
--- Part 4-5: Uncertainties, Statics and Limit Modelling – Conditions of Use for Alternative Test Methods.
This Document replaced GB/T 6113.104-2016 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 1-4: Radio Disturbance and Immunity Measuring Apparatus – Antennas and Test Sites for Radiated Disturbance Measurements. Compared with GB/T 6113.104-2016, the major technical changes of this Document are as follows besides the structural adjustment and editorial modifications:
--- Add three terms such as "tested equipment space", etc.; and delete the term "free space antenna coefficient" (see 3.1 of this Edition; 3.1 of 2016 Edition);
--- Change the measurement method of antenna symmetry (see 4.5.4 of this Edition; 4.5.4 of 2016 Edition);
--- Change the measurement method of cross-polarization (see 4.5.5 of this Edition; 4.5.5 of 2016 Edition);
--- Increase the lobe pattern requirements of the 1GHz~18GHz receiving antenna (see 4.6.2.2 and 4.6.2.3 of this Edition);
--- Increase the NSA value for the measurement distance of 5m (see 6.5.1 of this Edition); --- Change the relevant content of Annex A (see Annex A of this Edition; Annex A of 2016 Edition);
--- Delete the main text of Annex B (see Annex B of 2016 Edition).
This Document used the translation method to equivalently adopt CISPR 16-1-4:2019 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods – Part 1-4: Radio Disturbance and Immunity Measuring Apparatus – Antennas and Test Sites for Radiated Disturbance Measurements.
The Chinese documents that have a consistent correspondence with the international documents normatively cited in this Document are as follows:
--- GB/T 4365-2003 Electrotechnical Terminology - Electromagnetic Compatibility (IEC 60050(161):1990+A1:1997+A2:1998, IDT);
--- GB/T 6113.101-2021 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 1-1: Radio Disturbance and Immunity Measuring Apparatus - Measuring Apparatus (CISPR 16-1-1:2019, IDT);
--- GB/T 6113.105-2018 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 1-5: Radio Disturbance and Immunity Measuring Apparatus - Antenna Calibration Sites and Reference Test Sites for 5 MHz ~ 18 GHz (CISPR 16-1-5:2014, IDT);
--- GB/T 6113.106-2018 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 1-6: Radio Disturbance and Immunity Measuring Apparatus -EMC Antenna Calibration (CISPR 16-1-6:2014, IDT);
--- GB/Z 6113.3-2019 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 3: CISPR Technical Reports (CISPR/TR 16-
3:2010+A1:2012+A2:2015, IDT);
--- GB/T 6113.402-2018 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 4-2: Uncertainties, Statistics and Limit Modelling - Measurement Instrumentation Uncertainty (CISPR/TR 16-4-2:2014, IDT).
The following editorial modifications have been made to this Document:
--- International Standard Terminology 3.1.14, according to the given expression, the S parameter is defined as the transmission line parameter S21.
Please note some contents of this Document may involve patents. The issuing agency of this Document shall not assume the responsibility to identify these patents. This Standard was proposed by and under the jurisdiction of National Technical Committee on Radio Interference Standardization Administration of China (SAC/TC 79). Drafting organizations of this Standard: China Electronics Standardization Institute; Beijing Daze Technology Co., Ltd.; Hao Feng Radio Frequency Technology (Shanghai) Co., Ltd.; Xiamen H-Noble Technology Co., Ltd.; Beijing University of Posts and Telecommunications; National Institute of Metrology, China; Southeast University; Hefei Supervising and Testing Research Institute for Product Quality; Alto RF Technology (Shanghai) Co., Ltd.; Guangzhou CEPREI Calibration and Testing Center Service Co., Ltd.; China Automotive Engineering Research Institute Co., Ltd.; Beijing Kehuan Century EMC Technology Limited Liability Company; CATARC Automotive Test Centre (Tianjin) Co., Ltd.; State Radio Monitoring Center Testing Center; Dalian Product Quality Inspection and Testing Institute Co., Ltd.; Fujian Specification for Radio Disturbance
and Immunity Measuring Apparatus and Methods
– Part 1-4: Radio Disturbance and Immunity Measuring Apparatus
– Antennas and Test Sites for Radiated Disturbance Measurements
1 Scope
This Document specifies the characteristics and performance of equipment for the measurement of radiated disturbances in the frequency range 9 kHz ~ 18 GHz. Specifications for antennas and test sites are included.
NOTE: In accordance with IEC Guide 107, CISPR 16-1-4 is a basic EMC publication for use by product committees of the IEC. As stated in Guide 107, product committees are responsible for determining the applicability of the EMC standard. CISPR and its sub-committees (corresponding to SAC/TC 79 national technical committee and sub-committee in China) are prepared to cooperate with product committees in the evaluation of the value of particular EMC tests for specific products. The requirements of this Document apply at all frequencies and for all levels of radiated disturbances within the CISPR indicating range of the measuring equipment. Methods of measurement of radiated disturbance are covered in GB/T 6113.203, further information on radio disturbance is given in Part 3 of CISPR 16, and uncertainties, statistics and limit modelling are covered in Part 4 of CISPR 16.
2 Normative References
The provisions in following documents become the essential provisions of this Document through reference in this Document. For the dated documents, only the versions with the dates indicated are applicable to this Document; for the undated documents, only the latest version (including all the amendments) is applicable to this Document.
GB/T 6113.203-2020 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 2-3: Methods of Measurement of Radio Disturbance and Immunity – Radiated Disturbance Measurements (CISPR 16-2-3:2016, IDT)
CISPR 16-1-1 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods – Part 1-1: Radio Disturbance and Immunity Measuring Apparatus –

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