本文从直接数字频率合成器(DDS)基本原理出发,利用FPGA实现DDS调频信号从而实现电源变换器的频率控制。详细介绍了DDS和逆变器原理和电路设计,并给出了FPGA设计的仿真和实验,实验结果表明该设计是行之有效的。
Abstract
According to the principle of Direct Digital Frequency Synthesis(DDS), DDS frequency modulated signal is generated by FPGA to realize frequency control of converter. The principle and circuit design of DDS and converter are mainly introduced, and the simulation and experiment of FPGA design are given, the experiment results showed the design is feasible.
关键词
直接数字频率合成器 /
变频器 /
FPGA
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Key words
Direct Digital Frequency Synthesis /
Converter /
FPGA
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参考文献
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[3] 王秋生,王 祁,孙圣和.直接数字合成调频信号的研究[J]. 仪器仪表学报,2000,4(21):428-430
[4] Timo Rahkonen. Harri Eksyma. Antti Mantyniemi. Heikki Repo. A DDS Synthesizer with Digital Time Domain Interpolator. Analog Integrated Circuits and Signal Processing. 2001,27:109-116
[5] 陈坚.电力电子学[M]. 北京:高等教育出版社,2002
[6] Morelli Dan. Create Complex Modulation Schemes with an FPGA DDS[J]. Microwaves & RF, 1996,5:32-37.
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