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GB/T 43020-2023 English PDF

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US$659.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 43020-2023: Specification for digital audio broadcasting receiver in FM band
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 43020-2023	659	Add to Cart	6 days	Specification for digital audio broadcasting receiver in FM band	Valid

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Basic data

Standard ID: GB/T 43020-2023 (GB/T43020-2023)
Description (Translated English): Specification for digital audio broadcasting receiver in FM band
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M74
Classification of International Standard: 33.160.25
Word Count Estimation: 33,322
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 43020-2023: Specification for digital audio broadcasting receiver in FM band

---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.
ICS 33.160.25 CCSM74 National Standards of People's Republic of China Technical specifications for FM band digital audio broadcast receivers Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Abbreviations and symbols 1 4.1 Abbreviations 1 4.2 Symbol 2 5 Overview 2 6 Interface requirements 2 7 Functional requirements 2 7.1 Essential features 2 7.2 Optional function 3 8 Technical requirements 3 8.1 RF demodulation and channel decoding 3 8.2 Audio decoding capability 4 8.3 Audio output 4 8.4 Power supply adaptability 5 8.5 Electromagnetic compatibility5 9 Measurement methods 5 9.1 Measurement conditions 5 9.2 Measurement decision condition 6 9.3 Measurement method 7 Appendix A (Normative) Carrier-to-noise ratio threshold 20 in each channel environment A.1 Carrier-to-noise ratio threshold 20 under additive Gaussian white noise channel A.2 Carrier-to-noise ratio threshold 20 under static multipath channel A.3 Carrier-to-noise ratio threshold 20 under dynamic multipath channel A.4 Carrier-to-noise ratio threshold under static equal-strength two-path channel 21 Appendix B (Normative) Minimum received signal power 22 Appendix C (normative) Anti-interference measurement 23 C.1 Ability to resist single-frequency interference23 C.2 Ability to resist interference from analog broadcasts on the same and adjacent channels23 C.3 The ability to resist interference from digital audio broadcasting in the same and adjacent FM frequency bands24 Appendix D (normative) Multipath channel model for measurement 26 D.1 Static multipath channel model26 D.2 Dynamic multipath channel model 27 Reference 28

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is under the jurisdiction of the National Audio, Video and Multimedia Systems and Equipment Standardization Technical Committee (SAC/TC242). This document was drafted by. National Engineering Laboratory for Standardization of Electronic Information Products, Radio and Television Science Research Institute of the State Administration of Radio and Television, China Electronics Technology Standardization Institute, NXP (China) Management Co., Ltd., Beijing Haier Integrated Circuit Design Co., Ltd., Beijing Huayin Technology Co., Ltd., the Fifth Research Institute of Electronics of the Ministry of Industry and Information Technology, Shanghai HD Digital Technology Industry Co., Ltd., Guilin Siqi Communication Equipment Equipment Co., Ltd., Shenzhen Skyworth Digital Technology Co., Ltd., Guangzhou Institute of Standardization, OPPO Guangdong Mobile Communications Co., Ltd., Jiangsu Zimi Electronic Technology Co., Ltd., Dongguan Aohai Technology Co., Ltd., Pulian Technology Co., Ltd., National Digital Audio, Video and Multimedia Product Quality Supervision and Inspection Center. The main drafters of this document. Chen Renwei, Sheng Guofang, Zhao Changqing, Sun Qifeng, Li Hong, Xie Binbin, Lun Jihao, Ni Zhibin, Liu Lin, Guan Yunfeng, Zhao Zhangyou, Song Wenping, Wang Wei, Liu Zhen, Jia Guodong, Zhu Jie, Liu Chunsheng. Technical specifications for FM band digital audio broadcast receivers

1 Scope

This document specifies the functional requirements and performance requirements for FM band digital audio broadcast receivers, and describes the corresponding measurement methods. This document applies to the design, production and use of FM band digital audio broadcast receivers.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 9254.1-2021 Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers Part 1.Emission requirements GB/T 9254.2-2021 Electromagnetic compatibility of information technology equipment, multimedia equipment and receivers Part 2.Immunity requirements GB/T 22726-2008 Multi-channel digital audio coding and decoding technical specifications GD/J058-2014 Technical Specification for Audio Source Coding of Digital Audio Broadcasting in FM Frequency Bands GY/T 268.1-2013 FM band digital audio broadcasting Part 1.Digital broadcasting channel frame structure, channel coding and modulation GY/T 268.2-2013 FM band digital audio broadcasting Part 2.Multiplexing

3 Terms and definitions

3.1 transmissionmodetransmissionmode A set of transmission parameters (such as the number of carriers, OFDM symbol length, etc.). Note. The FM band digital audio broadcast system provides three transmission modes, namely transmission mode 1, 2 and 3, to adapt to different application scenarios. 3.2 An audio stream with more than 2 channels for a single program. Note. This document limits the maximum number of channels it supports to 5.1 channels. 3.3 Spectrum modespectrummode A collection of occupied spectrum information (such as signal bandwidth, subband location, etc.). Note 1.The FM band digital audio broadcasting system provides a total of six spectrum modes, namely spectrum modes 1, 2, 9, 10, 22 and 23. Note 2.When the transmitter works in spectrum modes 9, 10, 22 and 23 analog-to-digital simulcast mode, the transmitter broadcasts both analog FM broadcast signals and digital broadcast signals. broadcast signal.

4 Abbreviations and symbols

4.1 Abbreviations The following abbreviations apply to this document. C/N. CarrierNoiseRatio ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 43020-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 43020-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 43020-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 43020-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.