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GB/T 28434-2012 English PDF

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GB/T 28434-2012: Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter
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PDF similar to GB/T 28434-2012


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Basic data

Standard ID GB/T 28434-2012 (GB/T28434-2012)
Description (Translated English) Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M74
Classification of International Standard 33.160
Word Count Estimation 26,299
Quoted Standard GB/T 6113.101-2008; GB 9254-2008; GB 17625.1-2003; GB 17625.2-2007; GB/T 17626.2-2006; GB/T 17626.3-2006; GB/T 17626.4-2008; GB/T 17626.5-2008; GB/T 17626.6-2008; GB/T 17626.11-2008; GB/T 17975.1-2010; GB 20600-2006
Regulation (derived from) National Standards Bulletin No. 13 of 2012
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the line with GB 20600-2006 terrestrial digital television broadcast single frequency network adapter technical requirements and methods of measurement. For the same measurement uncertainty can ensure that any equivalent measuremen

GB/T 28434-2012: Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter


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ICS33.160 M74 National Standards of People's Republic of China Digital Terrestrial Television Broadcasting SFN adapter Technical requirements and methods of measurement Issued on. 2012-10-01 2012-06-29 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms, Definitions and Abbreviations 1 4 3 System Overview 5 Technical requirements 4 6 Methods of measurement 12 Appendix A (informative) terrestrial digital TV broadcasting SFN adapter Electromagnetic compatibility tests Description 20 References 21

Foreword

This standard rule according to GB/T 1.1-2009 given draft. This standard was proposed by the State Administration of Radio, Film and Television. This standard by the National Film and Television Broadcasting Standardization Technical Committee (SAC/TC239) centralized. This standard was drafted. the State Administration of Radio, Film Radio and Television Planning Institute, the State Administration of Radio, Film and Television Institute of Broadcasting Science Study hospital. The main drafters of this standard. Liu Jun, He Jianhui, Fengjing Feng, Li Guosong, Zhou Xingwei, Dai-Ming, Wu Feng awake, Cai Xiaomei, Chang Jiang, Zhou Bing, Any instrument.

Introduction

Radio and television industry technical standards promulgated GY 2008/T229.1-2008 "terrestrial digital TV broadcast single frequency network adapter technology Requirements and measurement methods "has been applied and verified in the initial process of popularizing digital terrestrial television in accordance with the industry standard in the application During the specific circumstances for the problems, the industry standard has been modified relevant content, while increasing the power of digital terrestrial Television broadcast SFN adapter EMC related technical requirements and measuring methods, the formation of this standard. Digital Terrestrial Television Broadcasting SFN adapter Technical requirements and methods of measurement

1 Scope

This standard specifies the technical requirements and methods of measurement in line with GB 20600-2006 terrestrial digital television broadcast single frequency network adapter. For any equivalent measure to ensure that the same method of measurement uncertainty can also be used. This standard should be subject to dispute. This standard applies to VHF, UHF terrestrial digital television broadcast single frequency network adapter design, production, inspection, use, operation and maintenance.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6113.101-2008 radio disturbance and immunity measuring apparatus and methods - Part 1-1. Radio show Disturbance and immunity measuring apparatus - Measuring apparatus Limits and methods of measurement of radio disturbance GB 9254-2008 Information Technology Equipment GB 17625.1-2003 Electromagnetic Compatibility Limits for harmonic current emissions (equipment input current ≤16A) Electromagnetic compatibility limits for equipment GB 17625.2-2007 rated current per phase ≤16A and unconditional access in public low Limit voltage generated in the power supply system, voltage fluctuations and flicker GB/T 17626.2-2006 electromagnetic compatibility test and measurement techniques - Electrostatic discharge immunity test GB/T 17626.3-2006 electromagnetic compatibility test and measurement technology RFEMS test GB/T 17626.4-2008 Electromagnetic compatibility Testing and measurement techniques - Electrical fast transient burst immunity test GB/T 17626.5-2008 electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626.6-2008 electromagnetic compatibility test and measurement technology RF field induction of immunity to conducted disturbances GB/T 17626.11-2008 electromagnetic compatibility test and measurement techniques - Voltage dips, short interruptions and voltage variations immunity test GB/T 17975.1-2010 information technology - Generic coding of moving pictures and associated audio information - Part 1. System GB 20600-2006 digital terrestrial television broadcasting transmission system frame structure, channel coding and modulation 3 Terms, definitions and abbreviations 3.1 Terms and Definitions The following terms and definitions apply to this document. 3.1.1 SFN singlefrequencynetwork Located by a number of different locations in sync transmitter consisting of digital terrestrial television coverage network, where each transmitter In the same frequency at the same time transmit the same modulated RF signal, in order to achieve reliable coverage for a particular service area. 3.1.2 Second frame secondframe And the whole second data frame synchronization strict body, one second frame duration 1s time including modulation 8 GB 20600-2006 specified in 4.5

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