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GB/T 6113.402-2022: (Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities)
Status: Valid GB/T 6113.402: Evolution and historical versions
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| GB/T 6113.402-2022 | English | 984 |
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(Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities)
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GB/T 6113.402-2022
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| GB/T 6113.402-2018 | English | RFQ |
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Specification for radio disturbance and immunity measuring apparatus and methods -- Part 4-2: Uncertainties, statistics and limit modelling -- Measurement instrumentation uncertainty
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GB/T 6113.402-2018
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| GB/T 6113.402-2006 | English | 874 |
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Specification for radio disturbance and immunity measuring apparatus and methods -- Part 4-2: Uncertainties, statistics and limit modelling -- Measurement instrumentation Uncertainty
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GB/T 6113.402-2006
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PDF similar to GB/T 6113.402-2022
Basic data | Standard ID | GB/T 6113.402-2022 (GB/T6113.402-2022) | | Description (Translated English) | (Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L06 | | Classification of International Standard | 33.100 | | Word Count Estimation | 68,631 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-07-01 | | Older Standard (superseded by this standard) | GB/T 6113.402-2018 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 6113.402-2022: (Specifications for radio disturbance and immunity measuring equipment and methods of measurement - Part 4-2: Uncertainty, statistics and limit value modeling Uncertainties of measuring equipment and facilities)
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National Standards of People's Republic of China
Replace GB/T 6113.402-2018
Radio disturbance and immunity measuring equipment and
Measurement method specification
Part 4-2.Uncertainty, statistics and limits
Modeling Uncertainties of Measurement Equipment and Facilities
State Administration for Market Regulation
Released by the National Standardization Management Committee
1 Scope
This document specifies the application of measuring equipment and equipment for compliance determination of the equipment under test (EUT) in accordance with the CISPR disturbance limits.
Applied Uncertainty (MIU) method. When the measurement results and conclusions are affected by the uncertainties of the measuring equipment and facilities used for testing, this
The content of the document is also related to the electromagnetic compatibility test.
Note. According to IEC guideline 107, CISPR16-4-2 is the basic EMC standard used by the product committee of IEC. As stated in IEC Guide 107, production
It is the product committee's responsibility to determine the applicability of this EMC standard. For a specific category of products, CISPR and its sub-technical committees (corresponding to national
SAC/TC79 technical committee and its subcommittees) in cooperation with these technical committees and product committees on the applicability of this document
do. The above technical committees and product committees correspond to relevant domestic product technical committees.
The appendix of this document gives background information on the magnitude of MIU to be considered in deriving the UCISPR values in Chapters 4 through 9, providing
Initial and further information on MIU requirements, and valuable background information on how individual uncertainties are considered in the measurement chain
material. However, the purpose of the appendix is not for users of this document to use it as a user's manual when performing uncertainty calculations or to leave it untouched.
Copy it. Therefore, in order to make a correct estimate of the uncertainty in practice, one can use the data in the reference literature or other widely used
Approved documents.
Measuring equipment specifications are given in CISPR16-1 (all parts), measurement methods are included in CISPR16-2 (all parts), relevant
More detailed information and background material on CISPR and radio disturbances are given in CISPR 16-3, general knowledge about uncertainties, statistical
Statistics and limit value modeling are included in CISPR16-4 (all parts).
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
3 Terms, Definitions, Symbols and Abbreviations
3.1 Terms and Definitions
ISO /IEC Guide 98-3 and ISO /IEC Guide 99 define and the following terms and definitions apply to this document.
4 Compliance Judgment Criteria of MIU
4.1 General
When judging the compliance of the EUT based on the disturbance limits, the uncertainties introduced by the measuring equipment and facilities given in this chapter shall be taken into account.
fixed degree.
For testing laboratories, each measurement uncertainty component in Chapters 5 to 9 should be considered to assess the MIU of each measurement item. to all
The estimated value xi of each input quantity in the column should be evaluated for its standard uncertainty u(xi) (expressed in dB) and sensitivity coefficient ci. measured estimate
The combined standard uncertainty uc(y) of the value y should be calculated according to formula (1).
4.2 Conformity assessment
The compliance determination for the disturbance limit value shall be carried out in the following manner.
If Ulab is less than or equal to UCISPR in Table 1, then.
--- If the measured disturbance level does not exceed the specified disturbance limit, it is judged to be in compliance;
--- If the measured disturbance level exceeds the specified disturbance limit, it is determined to be non-compliant.
If Ulab is greater than UCISPR in Table 1, then.
--- If the measured disturbance level plus (Ulab-UCISPR) does not exceed the disturbance limit value, it is judged to be in compliance;
--- If the measured disturbance level plus (Ulab-UCISPR) exceeds the disturbance limit, it is determined to be non-compliant.
Note. For the conformity assessment procedure specified in this article, the measured disturbance levels and disturbance limits are expressed in logarithmic units, for example, dB (μV/m).
5 Conducted disturbance measurement
5.1 Use V-AMN to measure conducted disturbances at power ports (see B.1)
5.1.1 Measurands for power port conducted disturbance measurement using V-AMN
V. Asymmetrical voltage measured at the EUT port of the AMN with respect to the reference ground plane, in decibel microvolts [dB(μV)].
5.1.2 Signs of specific input quantities for power port conducted disturbance measurement using V-AMN
FAMN. AMN voltage division coefficient, the unit is decibel (dB);
δFAMNf. the correction of the frequency interpolation error of the voltage division factor (VDF) of AMN, the unit is decibel (dB);
δDmains. Correction of errors caused by AC power and other power disturbances, in decibels (dB);
δVenv. the correction of the impact on the environment, in decibels (dB);
δZAMN. Correction for unsatisfactory AMN impedance, in decibels (dB).
5.1.3 Input quantities to be considered in the measurement of conducted disturbances at power ports using V-AMN
--- The reading of the receiver;
--- The attenuation introduced by the connection between the AMN and the receiver;
---AMN's VDF;
--- Frequency interpolation of VDF of AMN;
---Inputs related to the receiver.
● Accuracy of receiver sine wave voltage,
● the pulse magnitude response of the receiver,
● The receiver impulse response varies with the repetition rate,
● The noise floor of the receiver;
---The impact of the mismatch between the receiver port of the AMN and the receiver;
--- Impedance of AMN;
--- The impact of disturbances generated by laboratory AC power or other power sources;
---Environmental influence.
5.2 Conducted disturbance measurement at power port using VP (see B.2)
5.2.1 Measurands for power port conducted disturbance measurement using VP
V. Asymmetrical voltage measured when 1500Ω is loaded at the EUT power port relative to the reference ground, the unit is decibel micro
Volt [dB(μV)].
5.2.2 Signs of specific input quantities for power port conducted disturbance measurements using VP
FVP. VDF of the voltage probe, in decibels (dB);
δFVPf. Correction of the VDF frequency interpolation error of the voltage probe, the unit is decibel (dB);
δDmains. the correction of the error caused by the power supply disturbance, the unit is decibel (dB);
δVenv. the correction of the impact on the environment, in decibels (dB);
δZVP. Correction for the unsatisfactory impedance of the voltage probe, the unit is decibel (dB);
δZmains. Correction for errors caused by source impedance when compared to AMN, in decibels (dB).
5.2.3 Input quantities to be considered for power port conducted disturbance measurement using VP
--- The reading of the receiver;
--- The attenuation introduced by the connection between the VP and the receiver;
---VDF of VP;
--- Frequency interpolation of VDF of VP;
---Inputs related to the receiver.
● Accuracy of receiver sine wave voltage,
● the pulse magnitude response of the receiver,
● The receiver impulse response varies with the repetition rate,
● The noise floor of the receiver;
---The impact of the mismatch between the receiver port of the VP and the receiver;
--- Impedance of VP;
---The impact of power disturbance;
--- The influence of source impedance when compared with AMN;
---Environmental influence.
5.3 Use AAN (Y-type network) to measure conducted disturbances at telecommunication ports (see B.3)
Note. The term "asymmetric artificial network (AAN)" is defined in CISPR16-1-2.It is also called Impedance Stabilization Network (ISN) in CISPR22.use terms
The Y-shaped network is to distinguish it from the V-shaped network and the △-shaped network.
5.3.1 Measurands for Conducted Disturbance Measurements at Telecom Ports Using AAN
V. Asymmetrical (common mode) voltage measured at the EUT port of the AAN relative to the reference ground plane, in decibel microvolts [dB(μV)].
5.3.2 Signs of specific input quantities for conducted disturbance measurements at telecommunication ports using AAN
FAAN. VDF of AAN, in decibels (dB);
δFAANf. Correction of VDF frequency interpolation error of AAN, unit is decibel (dB);
δDAE. the correction of the error caused by the disturbance from AE, the unit is decibel (dB);
δVenv. the correction of the impact on the environment, in decibels (dB);
δaLCL. unsatisfactory correction for AAN longitudinal conversion loss, in decibels (dB);
δZAAN. Correction for unsatisfactory AAN asymmetrical (common mode) impedance, in decibels (dB).
5.3.3 Input quantities to be considered in the measurement of conducted disturbances at telecommunication ports using AAN
--- The reading of the receiver;
--- The attenuation introduced by the connection between the AAN and the receiver;
---VDF of AAN;
--- Frequency interpolation of VDF of AAN;
---Inputs related to the receiver.
● Accuracy of receiver sine wave voltage,
● the pulse magnitude response of the receiver,
● The receiver impulse response varies with the repetition rate,
● The noise floor of the receiver;
---The impact of the mismatch between the receiver port of AAN and the receiver;
---Asymmetric impedance of AAN;
--- AAN longitudinal conversion loss;
--- Impact of harassment from AE;
---Environmental influence.
5.4 Measurement of conducted disturbances at telecommunication ports using CVP (see B.4)
5.4.1 Measurands for Conducted Disturbance Measurements at Telecom Ports Using CVP
V. Asymmetrical (common mode) voltage measured at a telecommunication port relative to reference ground, in decibel microvolts [dB(μV)].
5.4.2 Signs of specific input quantities for conducted disturbance measurements at telecommunication ports using CVP
FCVP. VDF of CVP, in decibels (dB);
δFCVPf. Correction of VDF frequency interpolation error of CVP, unit is decibel (dB);
δDAE. the correction of the error caused by the disturbance from AE, the unit is decibel (dB);
δVenv. the correction of the impact on the environment, in decibels (dB);
δFcpos. Correction for the effect of cable position in the CVP aperture on VDF, in decibels (dB);
δFcrad. Correction for the influence of cable radius on VDF, in decibels (dB);
δZAE. Correction for the unsatisfactory termination (impedance) of the telecommunication port generated by AE, the unit is decibel (dB);
δZCVP. Correction for the effect of CVP load impedance, in decibels (dB).
5.4.3 Input quantities to be considered in the measurement of conducted disturbances at telecommunication ports using CVP
--- The reading of the receiver;
--- The attenuation introduced by the connection between the CVP and the receiver;
---VDF of CVP;
--- Frequency interpolation of VDF of CVP;
---Inputs related to the receiver.
● Accuracy of receiver sine wave voltage,
● the pulse magnitude response of the receiver,
● The receiver impulse response varies with the repetition rate,
● The noise floor of the receiver;
--- Effect of cable position in CVP aperture on VDF;
---The effect of cable radius on VDF;
--- Impact of harassment from AE;
--- The effect of AE impedance when compared with AAN;
---The impact of the mismatch between the receiver port of CVP and the receiver;
--- Load impedance of CVP;
---Environmental influence.
5.5 Conducted disturbance measurement at telecommunication ports using CP (see B.5)
5.5.1 Measurands for Conducted Disturbance Measurements at Telecom Ports Using CP
I. asymmetrical (common mode) current measured on the EUT telecommunications port connection cable in decibel microampere [dB(μA)].
5.5.2 Signs of specific input quantities for conducted disturbance measurements at telecommunication ports using CP
YT. transfer admittance of CP, in decibel Siemens [dB(S)];
δYTf. Correction to CP transfer admittance frequency interpolation error, unit is decibel (dB);
δDAE. the correction of the error caused by the disturbance from AE, the unit is decibel (dB);
δIenv. the correction of the impact on the environment, in decibels (dB);
δZCP. the correction of the error caused by the insertion impedance of the CP, in decibels (dB);
δZAE. The unsatisfactory correction to the telecommunications port terminal (impedance) generated by AE, the unit is decibel (dB).
5.5.3 Input quantities to be considered in the measurement of conducted disturbances at telecommunication ports using CP
--- The reading of the receiver;
--- The attenuation introduced by the connection between the CP and the receiver;
---Transfer admittance of CP;
---Frequency interpolation of transfer admittance of CP;
---Inputs related to the receiver.
● Accuracy of receiver sine wave voltage,
● the pulse magnitude response of the receiver,
● The receiver impulse response varies with the repetition rate,
● The noise floor of the receiver;
--- Effect of mismatch between CP and receiver;
---Influence of CP insertion impedance;
--- Impact of harassment from AE;
--- Effect of AE on telecommunication cable termination impedance;
---Environmental influence.
5.6 Conducted disturbance measurements using CDNE (see B.7)
5.6.1 Measurands for Conducted Disturbance Measurement Using CDNE
V. relative to the reference ground, the asymmetric (common mode) disturbance voltage measured on the connecting line of the EUT through the CDNE, the unit is decibel microvolt
[dB(μV)].
5.6.2 Signs of specific input quantities for conducted disturbance measurements using CDNE
FCDNE. VDF of CDNE, in decibels (dB);
δFCDNE. the correction of VDF frequency interpolation error of CDNE, the unit is decibel (dB);
δZCDNE. Correction for the unsatisfactory common mode impedance of CDNE, the unit is decibel (dB);
δDamb. the correction to the influence of environmental disturbance, the unit is decibel (dB);
δVgrounding. correction for unsatisfactory grounding, in decibels (dB);
δVenv. The correction of the impact on the environment, in decibels (dB).
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