| 高频开关电源在高保真音频功放中的应用研究 |
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| 引用本文： | 张平柯. 高频开关电源在高保真音频功放中的应用研究[J]. 电声技术, 2007, 31(9): 33-37,41 |
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| 作者姓名： | 张平柯 |
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| 作者单位： | 湖南第一师范学院,湖南,长沙,410002 |
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| 基金项目： | 湖南省教育厅2007年度科学研究项目 |
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| 摘 要： | 分析了高频开关电源的特点及将其应用到音频功率放大器中所遇到的主要问题,以及解决这些问题的基本方法。通过对一款设计良好的高频开关电源进行主要性能指标的测试和认真的听音对比,否定了高频开关电源不适合于高保真音频功率放大器的观点。指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
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| 关 键 词： | 高频开关电源 电磁兼容 音频功率放大器 负载特性 |
| 文章编号： | 1002-8684（2007）09-0033-05 |
| 修稿时间： | 2007-06-01 |
Application on High Frequency Switch Power Supply in High Fidelity Audio Frequency Power Amplifier |
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| ZHANG Ping-ke. Application on High Frequency Switch Power Supply in High Fidelity Audio Frequency Power Amplifier[J]. Audio Engineering, 2007, 31(9): 33-37,41 |
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| Authors: | ZHANG Ping-ke |
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| Affiliation: | Hunan First Normal College, Changsha 410002, China |
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| Abstract: | The characteristics of high frequency switch power supply are analyzed. The problems in its application on audio frequency power amplifier and the main methods to solve them are pointed out. The results of testing a well-designed high frequency switch power supply illustrate that high frequency switch power supply is suitable for the high fidelity audio frequency power amplifier. The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated. |
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| Keywords: | high frequency switch power supply compatible electromagnetism audio frequency power amplifier loading characteristic |
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