GB/T 20549-2023Specifications and test methods of electromagnetic compatibility for digital cellular mobile communications repeater (English PDF)
数字蜂窝移动通信直放机电磁兼容技术要求和测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 17, 2023
Implementation date
October 1, 2023
Scope
GB/T 20549-2023 is the English-translated version of 数字蜂窝移动通信直放机电磁兼容技术要求和测试方法.
GB/T 20549-2023 is the Chinese standard "Specifications and test methods of electromagnetic compatibility for digital cellular mobile communications repeater".
Its scope clause reads: This document specifies the electromagnetic compatibility requirements and test methods for digital cellular mobile communication repeaters (including auxiliary radio frequency amplifiers), including Including test items, electromagnetic disturbance limits, immunity test levels, performance criteria and measurement methods: This document is applicable to the evaluation of GSM digital cellular mobile communication system, WCDMA digital cellular mobile communication system, TD-SCDMA Digital cellular mobile communication system, CDMA1x/cdma2000 digital cellular mobile communication system, LTETDD digital cellular mobile communication system system, LTEFDD digital cellular mobile communication system, NB-IoT digital cellular mobile communication system, 5G digital cellular mobile communication system and Electromagnetic compatibility of mobile communication repeaters using other technical systems:. Its clauses include terms and definitions, abbreviations.
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Document preview — GB/T 20549-2023
National Standard of the People's Republic of China
- ICS
- 33.100.01
- Classification
- L 06
- Replacing
- GB/T 20549-2006
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions, Abbreviations
- 4 Test conditions
- 5 Performance evaluation and performance criteria
- 6 Measurement/Test Item
- 7 Disturbance limits and measurement methods
- 8 Immunity test level and test method
1 Scope
This document specifies the electromagnetic compatibility requirements and test methods for digital cellular mobile communication repeaters (including auxiliary radio frequency amplifiers), including
Including test items, electromagnetic disturbance limits, immunity test levels, performance criteria and measurement methods:
This document is applicable to the evaluation of GSM digital cellular mobile communication system, WCDMA digital cellular mobile communication system, TD-SCDMA Digital cellular mobile communication system, CDMA1x/cdma2000 digital cellular mobile communication system, LTETDD digital cellular mobile communication system system, LTEFDD digital cellular mobile communication system, NB-IoT digital cellular mobile communication system, 5G digital cellular mobile communication system and
Electromagnetic compatibility of mobile communication repeaters using other technical systems:
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:
GB/T 9254:1 Electromagnetic Compatibility of Information Technology Equipment, Multimedia Equipment and Receivers Part 1: Emission Requirements
GB 17625:1 Electromagnetic Compatibility Limits Part 1: Harmonic Current Emission Limits (Equipment Input Current <= 16A per Phase)
GB/T 17625:2 Electromagnetic Compatibility Limits For equipment with rated current <= 16A per phase and unconditional access in public low-voltage power supply
Limitation of voltage changes, voltage fluctuations and flicker generated in the system
GB /Z 17625:3 Electromagnetic compatibility limits for voltage waves generated by equipment with a rated current greater than 16A in a low-voltage power supply system movement and flickering restrictions
GB /Z 17625:6 Electromagnetic Compatibility Limits For harmonic current generated by equipment with rated current greater than 16A in low-voltage power supply system flow limit
GB/T 17626:2 Electromagnetic Compatibility Test and Measurement Technology Electrostatic Discharge Immunity Test
GB/T 17626:3 Electromagnetic Compatibility Test and Measurement Technology Radio Frequency Electromagnetic Field Radiation Immunity Test
GB/T 17626:4 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test
GB/T 17626:5 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test
GB/T 17626:6 Electromagnetic compatibility test and measurement technology Conducted disturbance immunity induced by radio frequency field
GB/T 17626:8 Electromagnetic Compatibility Test and Measurement Technology Power Frequency Magnetic Field Immunity Test
GB/T 17626:11 Electromagnetic compatibility test and measurement technology Immunity test for voltage dips, short interruptions and voltage changes
GB/T 17626:29 Electromagnetic compatibility test and measurement technology DC power input port voltage dips, short interruptions and voltage changes
Chemical immunity test
YD/T 1483 Technical Requirements and Measurement Methods for Spurious Emissions of Radio Equipment
3 Terms and definitions, abbreviations
3:1 Terms and Definitions
The following terms and definitions apply to this document:
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 9254.1Information technology equipment, multimedia equipment and receivers - Electromagnetic compatibility - Part 1: Emission requirements
- GB 17625.1Electromagnetic compatibility - Limits - Part 1: Limits for harmonic current emissions(equipment input current <=16 A per phase)
- GB/T 17625.2Electromagnetic compatibility (EMC)-Limits-Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current <=16 A per phase and not subject to conditional connection
- GB/Z 17625.3Electromagnetic compatibility - Limits - Limitation of voltage fluctuations and flicker in low-voltage power supply systems for equipment with rated current greater than 16 A
- GB/Z 17625.6Electromagnetic compatibility - Limits - Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16A
- GB/T 17626.2Electromagnetic compatibility -- Testing and measurement techniques -- Electrostatic discharge immunity test
Similar standards
Editions of GB/T 20549
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 20549-2023 | Specifications and test methods of electromagnetic compatibility for digital cellular mobile communications repeater | current edition | Current |
| GB/T 20549-2006 | Specifications and test methods of electromagnetic compatibility for digital cellular mobile communications repeater | previous edition | Superseded |
This page sells the current edition, GB/T 20549-2023. Earlier editions are listed for reference only.
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Related Standards
GB 17625.1-2022 — Electromagnetic compatibility - Limits - Part 1: Limits for harmonic current emissions(equipment input current <=16 A per phase)
GB/T 17625.2-2007 — Electromagnetic compatibility (EMC)-Limits-Limitation of voltage changes,voltage fluctuations and flicker in public low-voltage supply systems,for equipment with rated current <=16 A per phase and not subject to conditional connection
GB/T 17626.11-2023 — Electromagnetic compatibility - Testing and measurement techniques - Part 11: Voltage dips, short interruptions and voltage variations immunity tests for equipment with input current up to 16 A per phase
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GB/T 20549-2023
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