| OTL功率放大器的实验研究 |
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| 引用本文： | 熊俊俏,戴丽萍,秦红波. OTL功率放大器的实验研究[J]. 电气电子教学学报, 2012, 34(4): 66-69. DOI: 10.3969/j.issn.1008-0686.2012.04.027 |
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| 作者姓名： | 熊俊俏 戴丽萍 秦红波 |
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| 作者单位： | 1.武汉工程大学电气信息学院,湖北武汉,430205;2.武汉工程大学电气信息学院,湖北武汉,430205;3.武汉工程大学电气信息学院,湖北武汉,430205 |
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| 基金项目： | 武汉工程大学教学研究项目(2008037、X201020) |
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| 摘 要： | 针对OTL功率放大器实验普遍存在的效率低下问题,本文从器件、电路、测量方法和计算方法等方面分析了该放大电路效率的理论值。通过实验测试和相关数据计算分析,放大器的实际效率可以达到56.1%,接近于估计值60%。为此,本文提出了该实验电路改进的方法,并介绍了正确的测量与计算方法,这对如何引导学生通过实验来提高分析问题和解决问题的能力,具有一定的指导意义。
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| 关 键 词： | 推挽电路 功率 效率 饱和压降 |
Experimental Study of OTL Power Amplifier |
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| XIONG Jun-qiao,DAI Li-ping,QIN Hong-bo. Experimental Study of OTL Power Amplifier[J]. Journal of Electrical & Electronic Engineering Education, 2012, 34(4): 66-69. DOI: 10.3969/j.issn.1008-0686.2012.04.027 |
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| Authors: | XIONG Jun-qiao DAI Li-ping QIN Hong-bo |
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| Affiliation: | (College of Electrical and Electronic Engineering,Wuhan Institute of Technology,Wuhan 430205,China) |
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| Abstract: | For the general inefficiency of OTL power amplifiers,the theoretical efficiency is analyzed in terms of the devices,circuits,methods of measurement & calculation,etc.With the measured data and calculation,the actual efficiency is equal to 56.1%,and near to the theoretical 60%,and some improvements are put forward including the circuits and the correct measurement & calculation methods in this paper.All these are good significance for how to guide students to access to ability to analyze and solve problems in the experimental course |
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| Keywords: | push-pull circuit power efficiency saturation voltage |
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