| 电荷平衡式电压—频率转换器的原理及误差分析 |
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| 引用本文： | 周璐. 电荷平衡式电压—频率转换器的原理及误差分析[J]. 测控技术, 2009, 28(5) |
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| 作者姓名： | 周璐 |
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| 作者单位： | 北京航天自动控制研究所,北京,100854 |
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| 摘 要： | 单片集成V/F变换器广泛用于自动控制、数字仪表和无线电设备中,其功能用于完成电压和频率之间的转换.将电压量(或电流量)转换成频率信号后其抗干扰能力大为增强,并且应用极为方便.本文以AD652为例,阐述了电荷平衡式压频转换器的工作原理,重点分析了转换过程中的原理性误差和由器件带宽产生的高频误差,并求解出误差表达式.
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| 关 键 词： | 电压频率转换 电荷平衡 误差分析 |
Analysis on Principle and Error of Charge-Balancing Voltage-Frequency Converter |
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| ZHOU Lu. Analysis on Principle and Error of Charge-Balancing Voltage-Frequency Converter[J]. Measurement & Control Technology, 2009, 28(5) |
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| Authors: | ZHOU Lu |
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| Affiliation: | Beijing Aerospace Automatic Control Institute;Beijing 100854;China |
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| Abstract: | Single-integrating voltage-frequency converters are widely applied to automation,digital-instrument and wireless-equipment,which accomplish the conversion between voltage and frequency.Therefore,the ability of anti-jamming is enhanced and its application is more convenient.The principle is elaborated of charge-balancing voltage-frequency converter with AD652 as an example to emphasise on the errors which are from principle and brought by the amplify's bandwith,and finally the expression of error is calculat... |
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| Keywords: | voltage-frequency converter charge balancing error analysis |
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