| 基于MAX038和单片机的小功率交流电源的设计 |
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| 引用本文： | 孙建林.基于MAX038和单片机的小功率交流电源的设计[J].中国农机化,2009(1). |
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| 作者姓名： | 孙建林 |
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| 作者单位： | 甘肃畜牧工程职业技术学院,733006,甘肃武威 |
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| 摘 要： | 基于MAX038产生频率0.1Hz～40MHz的正弦波、方波和三角波的交流信号,用单片机(89S51)为中心控制单元,由键盘输入模块、数码管显示模块、D/A波形发生模块、幅值调整模块组成测量和显示频率,用具有完善的过压、欠压、过载、输出短路、热失控以及瞬时温度冲击保护功能的集成功率放大器LM3886做输出功放,用电压自动增益控制环稳定和调节输出电压.输出一种可同时接近零起调的调频、调压的交流电源.
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| 关 键 词： | 波形产生 功率放大 交流输出 |
Small Power AC Power Supply Design Based on MAX038 and SCM |
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| SUN Jian-lin.Small Power AC Power Supply Design Based on MAX038 and SCM[J].Chinese Agricul Tural Mechanization,2009(1). |
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| Authors: | SUN Jian-lin |
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| Institution: | Gansu Animal Husbandry Projects Vocational and Technical College;Gansu;733006;China |
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| Abstract: | Based on a MAX038 40MHz frequency of 0.1 Hz sine wave, square wave and triangular wave signal exchanges with SCM (89S51) as the central control unit, the keyboard input module, digital display modules, D/A waveform in module, the amplitude adjustment module compose the measurement and display frequency, use the perfect over-voltage, under-voltage, overload, short-circuit output, thermal run- away and instantaneous temperature impact protection features integrated power amplifier LM3886 as the output power a... |
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| Keywords: | MAX038 |
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