Filter Design Based on EDA Software
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摘要: 在鱼雷通信及各控制系统中, 均需利用滤波器对模拟信号进行处理。滤波器的传统设计一般通过理论计算和试验验证来实现, 存在工作量大、开发周期长、前期验证困难等缺点。针对此, 文中以设计通带截止频率为10 kHz的4阶高通滤波电路为例, 详细介绍了一种基于电子设计自动化(EDA)技术, 通过滤波器专用设计软件Filterlab2.0来选择电路参数和结构, 利用Multisim13.0软件对滤波器工作参数进行仿真的设计方法。样机搭载试验结果与仿真结果相符, 验证了该方法可快速、准确、直观地完成所需滤波器的设计。Abstract: In the torpedo communication and control systems, filters are used to deal with analog signals. Conventional design of the filter is realized by the method of theoretical calculation and experimental verification, having such disadvantages as big workload, long development cycle, and difficult early-stage verification. In this paper, taking the design of a 4th-order high-pass filter circuit with a cut-off frequency pass band of 10 kHz as an example, a filter design method based on the electronic design automation(EDA) technology is introduced, in which the special design software Filterlab2.0 is employed to select the filter circuit parameters and structure, and the circuit simulation software Multisim13.0 is adopted to verify the filter parameters. This method can complete the design of required filter quickly, accurately and intuitively. A filter prototype is built for simulation test, and the result verifies the feasibility of the proposed filter design method.
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Key words:
- torpedo /
- filter /
- electronic design automation(EDA)
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