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GB/T 28436-2012 English PDF

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GB/T 28436-2012: Technical requirements and measurement methods of digital terrestrial television broadcasting exciter
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Basic data

Standard ID GB/T 28436-2012 (GB/T28436-2012)
Description (Translated English) Technical requirements and measurement methods of digital terrestrial television broadcasting exciter
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M74
Classification of International Standard 33.160
Word Count Estimation 32,334
Quoted Standard GB/T 6113.101-2008; GB 9254-2008; GB/T 14433-1993; 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 20600-2006; GB/T 28436-2012
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 for VHF, UHF bands for terrestrial digital television broadcasting exciter technical requirements and methods of measurement. For the same measurement uncertainty can ensure that any equivalent measureme

GB/T 28436-2012: Technical requirements and measurement methods of digital terrestrial television broadcasting exciter


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS33.160 M74 National Standards of People's Republic of China Terrestrial digital TV broadcasting exciter 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

Preface Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms, definitions, symbols and abbreviations 1 4 Technical requirements 4 5 Methods of measurement 11 Appendix A (informative) terrestrial digital television broadcasting system 25 net rate Annex B (informative) Electromagnetic Environment and port 26 References 27

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. Fengjing Feng, Liu Jun, He Jianhui, Li Guosong, Zhou Xingwei, Dai-Ming, Wu Feng awake, Cai Xiaomei, Chang Jiang, Shi Yuhai, Hu Yuming.

Introduction

Radio and television industry technical standards promulgated GY 2008/T229.4-2008 "terrestrial digital TV broadcasting transmitters and technical requirements Measurement method "in the process of popularizing digital terrestrial television has been in the preliminary application and verification. According to the industry standard in the application process Specific circumstances for the problems, the industry standard has been modified content, while increasing the terrestrial digital television broadcast Broadcast exciter electromagnetic compatibility related technical requirements and measuring methods, the formation of this standard. Terrestrial digital TV broadcasting exciter Technical requirements and methods of measurement

1 Scope

This standard specifies the GB 20600-2006 in line with the VHF, UHF bands technical requirements for digital terrestrial television broadcasting and exciter Methods of measurement for measurement methods to ensure that any equivalent measure the same uncertainty can also be adopted, should be controversial to this standard Prevail. This standard applies VHF, UHF band terrestrial digital TV broadcasting exciter design, manufacture, 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/T 14433-1993 color television broadcasting network covering technical provisions GB 17625.1-2003 Electromagnetic Compatibility Limits for harmonic current emissions (equipment input current ≤16A) GB 17625.2-2007 EMC limit of not more than 16A rated current production equipment in public low-voltage power supply systems Students limit voltage changes, 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 20600-2006 digital terrestrial television broadcasting transmission system frame structure, channel coding and modulation GB/T 28436-2012 digital terrestrial television broadcasting SFN adapter Technical requirements and methods of measurement 3 Terms, definitions, symbols and abbreviations 3.1 Terms and Definitions The following terms and definitions apply to this document. 3.1.1 Frequency Synthesizer frequencysynthesis And by the reference frequency of addition, subtraction, multiplication and addition operation such as access to the same reference frequency accuracy and stability of the frequency signal. 3.1.2 Effective bandwidth effectivebandwith The relative signal amplitude attenuation center frequency of high- and low-frequency corresponding to the difference between 3dB.

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