| 基于AD8369的数字音频广播传输系统的研究与实现 |
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| 引用本文： | 陆明莹,刘石,王国裕,张红升. 基于AD8369的数字音频广播传输系统的研究与实现[J]. 电子质量, 2012, 0(3): 9-11,19 |
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| 作者姓名： | 陆明莹 刘石 王国裕 张红升 |
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| 作者单位： | 重庆邮电大学光电工程学院,重庆,400065 |
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| 摘 要： | 该文详细地介绍了具有内部可控功能的数字可控增益放大器件AD8369的结构与工作原理,设计了基于AD8369的数字音频广播传输系统。本系统采用的数字可控增益放大器件AD8369填补了原数字音频广播系统中没有输出功放的空白。该文给出了系统的结构框图、硬件结构框图、软件流程图和时序控制图及测试和验证,详细介绍了系统工作的原理和流程。
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| 关 键 词： | 数字可控增益 AD8369 数字音频广播 |
Design of Digital Audio Broadcasting Power Amplifier System Based on AD8369 |
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| Lu Ming-ying,Liu Shi,Wang Guo-yu,Zhang Hong-sheng. Design of Digital Audio Broadcasting Power Amplifier System Based on AD8369[J]. Electronics Quality, 2012, 0(3): 9-11,19 |
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| Authors: | Lu Ming-ying Liu Shi Wang Guo-yu Zhang Hong-sheng |
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| Affiliation: | (College of Photo-Electronics,Chongqing Univercity of Post and Telecommunications,Chongqing 400065) |
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| Abstract: | This paper introduces in detail the structure and theory of AD8369,it functions inside as a digitally controlled variable gain amplifier,Digital Audio Broadcasting Transmitting System based on A8369 was designed.The system used digitally controlled variable gain amplifier device AD8369 fills the power amplifier in the original Digital Audio Broadcasting system.It presents the block of the structure of system,the hardware structure,the software flow chart,timing control chart,testing and certification and descripes in detail the operational principle and process of the system. |
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| Keywords: | Digitally Controlled Variable Gain AD8369 DAB（Digital Audio Broadcasting） |
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