| 基于FPGA实现简易数字频率计的设计 |
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| 引用本文： | 丁然,陈金鹰,赵雨.基于FPGA实现简易数字频率计的设计[J].中国集成电路,2012(6):30-33,63. |
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| 作者姓名： | 丁然 陈金鹰 赵雨 |
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| 作者单位： | 成都理工大学信息科学与技术学院,四川成都,610059 |
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| 摘 要： | 简易数字频率计的设计,采用FPGA实现对模数转换芯片A/Dtlc549的控制,对外来信号采样,实现信号从模拟到数字的转换,在单位时间内通过计数器的累加实现对频率的计数。该设计实现的频率精度为1Hz,测量范围为0～100MHz,经实际电路测试,仿真结果表明,该频率计具有较高的实用性和可靠性。
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| 关 键 词： | 数字频率计 FPGA 采样 计数 |
Based on FPGA to achieve a simple digital frequency meter design |
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| DING Ran,CHEN Jin-ying,ZHAO Yu.Based on FPGA to achieve a simple digital frequency meter design[J].China Integrated Circuit,2012(6):30-33,63. |
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| Authors: | DING Ran CHEN Jin-ying ZHAO Yu |
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| Affiliation: | (College of information science and technology, Chengdu University of Technology, Chengdu 610059, China) |
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| Abstract: | simple digital frequency meter design, using FPGA to achieve A/D conversion chip A / Dtlc549control, external signal sampling, signal from analog to digital conversion, in unit time by the cumulative counter to count the frequency, the design and implementation of thelHz frequency precision, measurement range 0-100Hz, the actual circuit testing, simulation results show that, the frequency meter with high practicability and reliability. |
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| Keywords: | digital frequency meter FPGA sampling counting |
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