| 基于SEPP的音频功率放大器的研究 |
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| 引用本文： | 张正苏,盛程潜,徐泽清. 基于SEPP的音频功率放大器的研究[J]. 黑龙江工程学院学报, 2011, 0(2): 62-65 |
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| 作者姓名： | 张正苏 盛程潜 徐泽清 |
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| 作者单位： | 黑龙江工程学院电子工程系; |
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| 摘 要： | 介绍基于SEPP的音频功率放大器的工作原理,分析音频功率放大器电路中输出晶体三极管的激励方式,提出电流反馈型功率放大器的设计方法,采用共模抑制电路及互补对称的两套闭环电流输出控制系统.实验结果表明,该设计方法达到了功率放大器大功率、低失真、宽频响的性能指标要求,优点是调整方便,偏置电压稳定性高,不需要静噪.
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| 关 键 词： | SEPP 电流反馈 运算放大器 功率放大器 闭环电流控制 |
Research on audio power amplifier based on SEPP |
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| ZHANG Zheng-su,SHENG Cheng-qian,XU Ze-qing. Research on audio power amplifier based on SEPP[J]. Journal of Heilongjiang Institute of Technology, 2011, 0(2): 62-65 |
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| Authors: | ZHANG Zheng-su SHENG Cheng-qian XU Ze-qing |
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| Affiliation: | ZHANG Zheng-su,SHENG Cheng-qian,XU Ze-qing(Dept.of Electronic Engineering,Heilongjiang Institute of Technology,Harbin 150050,China) |
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| Abstract: | Presents the principle of audio power amplifier based on SEPP;analyses the way of determining the crystal triode from audio power amplifiers integrated circuits;supposes the design method of current feedback amplifier and adopts the common mode rejection ratio circuit and the two sets of closed-loop circuit output control system.The results show that this design has reached the index request of the power amplifier under high power,low distortion and wide frequency response.Conclusively,the advantage of this... |
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| Keywords: | SEPP current feedback calculation amplifiers power amplifiers closed-loop circuit control |
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