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GB/T 26682-2011: Technical requirements and methods of measurement for standard testing receiver of digital terrestrial television
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GB/T 26682-2011: Technical requirements and methods of measurement for standard testing receiver of digital terrestrial television

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Technical requirements and methods of measurement for standard testing receiver of digital terrestrial television ICS 17.220 L85 National Standards of People's Republic of China Terrestrial digital TV standard test receiver Technical requirements and methods of measurement Issued on. 2011-06-16 2011-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and definitions 3.2 Abbreviations 1 4 2 Technical Requirements 4.1 Functional requirements 2 4.2 Interface Requirements 2 4.3 Performance Requirements 3 4.4 Working Conditions 4 4 5 measurement method 5.1 Measurement Condition 4 5.2 Function Measure 5 5.3 Modulation Mode 6 5.4 Frequency Range 6 5.5 received power measurement 6 5.6 CNR measuring 7 5.7 Carrier frequency measurement 8 More than 5.8 diameter measuring 8 5.9 MER measurement 9 5.10 EVM measurement 9 Appendix A (normative) Table of Frequency Allocations 10 TV channels

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the national audio, video and multimedia systems and equipment Standardization Technical Committee (SAC/TC242) centralized. This standard drafting units. China Electronics Standardization Institute, Shenzhen match West Information Technology Co. (Electronic Information Products Standard Quasi National Engineering Laboratory), Shanghai Jiaotong University, Tsinghua University, the national digital audio, video and multimedia products for Quality Supervision and Inspection Center, four Chuan Chuanjia Electronics Co., Ltd., Jiangsu Luyang Electronic Instrument Group Co., Ltd. of Japan Chi measurement, Rohde & Schwarz China Limited Division, Agilent Technologies, Inc., Beijing Legend Technology Co., Ltd., China. The main drafters of this standard. Chenren Wei, Hu Peng, Dai Yang, Pan Changyong, Li Li, Jiao Yang, Tian Jianbo, Qian Yu, room Haidong. Terrestrial digital TV standard test receiver Technical requirements and methods of measurement

1 Scope

This standard specifies the line with GB 20600-2006 standard for terrestrial digital TV test receiver (hereinafter referred to as test receiver) skills Surgery and methods of measurement. This standard applies to terrestrial digital TV standard of GB 20600-2006 test receiver.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 11313.2-2007 RF connectors - Part 2. RF coaxial connectors 9.52 specification (IEC 61169-2. 2001, IDT) GB/T 11313.4-2007 RF connectors - Part 4. inner diameter of outer conductor 16mm (0.63in), a characteristic impedance of 50Ω, Threaded RF coaxial connectors (7-16) (IEC 60169-4. 1975, NEQ) GB 20600-2006 digital television terrestrial broadcasting system frame structure, channel coding and modulation GB/T 26681-2011 terrestrial digital TV standard test transmitter basic performance requirements and methods of measurement SJ/T 11324-2006 digital television receivers term 3 Terms and definitions, abbreviations 3.1 Terms and Definitions SJ/T 11324-2006 define the following terms and definitions apply to this document. 3.1.1 Terrestrial digital TV test receiver testingreceiverofdigitalterrestrialtelevision Terrestrial digital TV signal can correctly demodulate the received signal quality and quantitative measurement equipment. 3.2 Acronyms APD --- amplitude probability distribution (AmplitudeProbabilityDistribution); ASI --- asynchronous serial interface (AsynchronousSerialInterface); BCH --- BCH error correction code (Bose-Chaudhuri-Hocquenghemcode); BER --- BER (BitErrorRatio); CCDF --- complementary cumulative distribution function (ComplementaryCumulativeDistributionFunction); EVM --- error vector magnitude (ErrorVectorMagnitude); LDPC --- Low Density Parity Check (LowDensityParityCheck); MER --- modulation error ratio (ModulationErrorRatio); RF --- radio frequency (RadioFrequency); SPI --- Synchronous Parallel Interface (SynchronousParalelInterface); ...