GB/T 34092-2017 English PDF

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GB/T 34092-2017: Technical requirements and measure methods for digital terrestrial television silicon-tuner
Status: Valid

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Basic data

Standard ID: GB/T 34092-2017 (GB/T34092-2017)
Description (Translated English): Technical requirements and measure methods for digital terrestrial television silicon-tuner
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M74
Classification of International Standard: 33.160.25
Word Count Estimation: 22,220
Date of Issue: 2017-07-31
Date of Implementation: 2018-02-01
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

GB/T 34092-2017: Technical requirements and measure methods for digital terrestrial television silicon-tuner

---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.
Technical requirements and measure methods for digital terrestrial television silicon-tuner ICS 33.160.25 M74 National Standards of People's Republic of China Terrestrial digital TV silicon tuner Technical requirements and measurement methods 2017-07-31 Posted 2018-02-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 1 3.1 Terms and definitions 1 3.2 Abbreviations 1

4 technical requirements

4.1 Appearance Structure Requirements 1 4.2 work environment requirements 2 4.3 basic design requirements 2 4.4 Performance Requirements 2 5 measurement methods 4 5.1 General Description 4 5.2 Appearance of the structure 5 5.3 Receive frequency range 5 5.4 coverage margin 6 5.5 Frequency characteristics 6 5.6 Total power gain 7 5.7 power gain difference 8 5.8 AGC control range 8 5.9 Noise figure 9 5.10 Maximum input signal level 9 5.11 image rejection ratio 9 5.12 phase noise 10 5.13 input reflection loss 10 5.14 IF maximum output level 11 5.15 IF frequency offset 11 5.16 Second Order Intermodulation Suppression Ratio 11 5.17 Third-order intermodulation suppression ratio 11 5.18 Loop-through gain 13 5.19 loop through noise figure 13 5.20 loop through the output reflection loss 14 5.21 around the second-order intermodulation suppression ratio 14 5.22 Loop through third-order intermodulation suppression ratio 15 Appendix A (Normative) TV Channel Frequency Table 16

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some aspects of this standard may involve patents. The issuing agencies of this standard do not bear the responsibility of identifying these patents. This 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. The main drafting units of this standard. China Electronics Standardization Institute, Sichuan Changhong Electric Co., Ltd., the national digital audio and video And multimedia product quality supervision and inspection center, Nanjing Panda Electronics Co., Ltd., Shenzhen TCL New Technology Co., Ltd., Xiamen Overseas Chinese Power Subsidiary Co., Ltd., Shenzhen Core Technology Co., Ltd., NXP Semiconductors (Shanghai) Co., Ltd., High Extension Technology Co., Ltd., Nanjing Sharp Electronics Co., Ltd. The main drafters of this standard. Hu Peng, Chen Renwei, white waves, Zhang Xia, Han Qiufeng, Chen Ningwei, Niu Xiao Ru, Zhang Jian Tong, Han Wenquan, Jia Ke, Qi Qi, Cheng Xi. Terrestrial digital TV silicon tuner Technical requirements and measurement methods

1 Scope

This standard specifies the terrestrial digital television receiver equipment with VHF/UHF (VHF/UHF) silicon tuner (hereinafter referred to as the tuner) Technical requirements and measurement methods. This standard applies to terrestrial digital television reception equipment with a medium frequency or baseband output interface VHF/UHF (VHF/UHF) Silicon tuner, other digital TV silicon tuner can refer to use.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Digital television receiving equipment terminology 3 Terms, definitions and abbreviations 3.1 Terms and definitions SJ/T 11324-2006 Terms and definitions apply to this document. 3.2 Abbreviations The following abbreviations apply to this document. AGC --- Automatic Gain Control (AutomaticGainControl); IF --- Intermediate Frequency (IntermediateFrequency); IQ --- quadrature modulation (InphaseQuadratureModulation); RF --- Radio Frequency (RadioFrequency); RBW --- resolution bandwidth (ResolutionBandWidth); LT --- Loop Output (LoopThroughOutput); UHF --- UHF (Ultra High Frequency); VHF --- Very High Frequency.

4 technical requirements

4.1 appearance structure requirements Tuner should look clean and tidy, the surface should not have marks, scratches, cracks, burrs, mildew and other defects; if the surface coating, the coating Should not blister, crack, fall off and so on. Tuner metal parts should be fastened without loosening, there should be no corrosion and other mechanical damage, perfusion should not spill. The text of the function and the symbol of the graphic symbol shall be correct, clear, correct and strong, and the indication shall be correct. ......

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