| 基于FPGA的DDS多路信号源设计 |
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| 引用本文： | 张凯琳,苏淑靖,刘利生,易春莉,郑文强.基于FPGA的DDS多路信号源设计[J].电测与仪表,2011,48(3):63-65,78. |
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| 作者姓名： | 张凯琳 苏淑靖 刘利生 易春莉 郑文强 |
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| 作者单位： | 中北大学电子测试技术国家重点实验室,太原,030051 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 提出了一种基于FPGA的DDS多路信号源的原理方案和实现方法.该信号源以高精度D/A转换器为核心构成波形重构电路.使用电子模拟开关实现多路信号输出切换.设计的信号源可同时输出32路,波形信号可为正弦波、锯齿波、三角波和矩形波,且输出信号的频率、幅值和偏置灵活可调.
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| 关 键 词： | FPGA DDS信号源 D/A转换器 |
Design of Multi-channel DDS Signal Generator Based on FPGA |
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| ZHANG Kai-lin,SU Shu-jing,LIU Li-sheng,YI Chun-li,ZHENG Wen-qiang.Design of Multi-channel DDS Signal Generator Based on FPGA[J].Electrical Measurement & Instrumentation,2011,48(3):63-65,78. |
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| Authors: | ZHANG Kai-lin SU Shu-jing LIU Li-sheng YI Chun-li ZHENG Wen-qiang |
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| Affiliation: | ZHANG Kai-lin,SU Shu-jing,LIU Li-sheng,YI Chun-li,ZHENG Wen-qiang(National Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051,China) |
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| Abstract: | A method based on FPGA was presented for multi-channel DDS signal generator.With output high-accuracy D/A converter for core waveform reconstruction electrical,the signal is achieved by electronic analog switch.In this design,the signal generator can provide four waves,which included sine wave,sawtooth wave,triangle wave and square wave.The frequency,amplitude and offset of the signal are flexible and adjustable. |
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| Keywords: | FPGA |
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