| 新型陶瓷压电扬声器驱动的设计与应用 |
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| 引用本文： | 张孝辉.新型陶瓷压电扬声器驱动的设计与应用[J].现代电子技术,2011,34(18):127-129. |
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| 作者姓名： | 张孝辉 |
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| 作者单位： | PAM上海分公司,上海,200030 |
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| 摘 要： | 随着便携式消费电子的发展，人们对便携式电子设备小型轻薄的要求越来越高，陶瓷压电扬声器以其超轻，超薄，高效，无需大音腔等特点逐渐被众多便携式消费类电子产品所青睐。本文对比传统动圈型扬声器，分析了新型陶瓷压电扬声器的特点及对所需音频功率放大器的要求，对各种常用升压结构及音频功率放大器进行对比、分析，并测试了多种升压结构及音频功率放大器配合陶瓷压电扬声器的相关数据及使用效果，从音压、效率、总谐波失真等各方面考虑，得出使用Boost升压结构，配合D类音频功率放大器驱动新型陶瓷压电扬声器是能够获得最折衷的解决方案。
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| 关 键 词： | 新型陶瓷压电扬声器 音频放大器 Boost Class—D |
Design and Application of New Ceramic Piezoelectric Speaker |
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| ZHANG Xiao-hui.Design and Application of New Ceramic Piezoelectric Speaker[J].Modern Electronic Technique,2011,34(18):127-129. |
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| Authors: | ZHANG Xiao-hui |
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| Affiliation: | ZHANG Xiao-hui(PAM Shanghai Branch Company,Shanghai 200030,China) |
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| Abstract: | With the development of consumer electronics,the requirement for portable consumer eletronics is getting higher and higher.Ceramic piezoelectric speaker is gradually accepted by portable consumer electronic products for its super light-weight,thickness and high efficiency.Compared to the traditional dynamic speaker,the characteristics of the new ceramic speaker and the requirements for the audio amplifier are analyzed.The common boost structure and audio amplifier are compared and analyzed,the data and the ... |
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| Keywords: | new ceramic piezoelectric speaker audio amplifier Boost Class-D |
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