Overview:

The Subcommittee for Radio Interference Measurement and Statistical Methods of the National Radio Interference Standardisation Technical Committee (SAC/TC79/SC1) mirrors IEC/CISPR/A. It is responsible for standardizing radio interference measurement instruments, auxiliary equipment, and general measurement methods. It also conducts research on sampling methods used in statistical analysis of interference measurement results, and on the relationship between interference measurement and signal reception effects. The Secretariat of SAC/TC79/SC1 is hosted by the China Electronics Standardisation Institute (CESI).

 

Current Standardisation:

SAC/TC79/SC1 currently oversees the development and implementation of 23 national standards, 3 of which are currently in the process of revision, while 3 others are under development.

Standards in the process of development:

No. Standards Current Status
1 GB/T Guide to the troubleshooting electromagnetic interference Draft for Approval
2 GB/T Measurement method of antenna factor for 1m method radiated disturbance Technical Review
3 GB/T Site validation method for anechoic chamber Technical Review

Standards under revision:

No. Standards Current Status
1 GB/T 6113.102-2018 Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-2:Radio disturbance and immunity measuring apparatus—Coupling devices for conducted disturbance measurements Applying for New Project
2 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 Technical Review
3 GB/T 6113.201-2018 Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-1：Methods of measurement of disturbances and immunity—Conducted disturbance measurements Applying for New Project

 

International Standardisation Activities:

In 2023, SAC/TC79/SC1 participated in the voting of 10 CISPR/A standards, and provided comments on 8 of them. Furthermore, the Subcommittee also proposed a new work item, i.e. Guideline on intermediate checks of equipment for electromagnetic compatibility testing, which is based on the Chinese standard GB/Z 41634-2022; it also led the revision of 5 CISPR16 standards.

 

Next Year’s Work Plan (2024):

SAC/TC79/SC1 plans to accomplish the following deliverables in 2024:

  1. Apply to initiate the revision process for two standards:
    1. 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.
    2. GB/T 6113.203-2020 Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-3: Methods of measurement of disturbances and immunity—Radiated disturbance measurements.
  2. Apply to initiate the standardisation project Technologies and Measures for Product Functional Safety Management related to Electromagnetic Disturbance.
  3. Complete the revision of GB/T 6113.102-2018, GB/T 6113.201-2017, and the formulation of Guidelines for Statistical Process Control in Electromagnetic Compatibility Testing Laboratories.
  4. Support the participation of SAC and SAC/79 in the 2024 CISPR/A Annual Meeting.
  5. Organize and support SAC/79 in electromagnetic compatibility-related activities and exhibitions.
  6. Continue to advance the international standardisation proposal Guideline on intermediate checks of equipment for electromagnetic compatibility testing, prepare international proposals for 2024, encourage Chinese experts participating in CISPR/A working groups to actively engage in new projects, undertake more research tasks, and genuinely participate in the development of international standards.
  7. Organize the promotion of the implementation of the GB/T 6113 series of standards.
  8. Establish a Functional Safety Electromagnetic Compatibility Standards Working Group to continue pre-research work on standards; regularly convene the meetings of the Shielding Efficiency Working Group for advancing pre-research work; and establish standard working groups corresponding to CISPR/A WGs.