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来源：百度知道 编辑：UC知道 时间：2024/05/04 16:56:04
在滤波器综合设计法中，通常先综合设计低通原型滤波器，然后再由低通原型滤波器借助频率变换原理，通过网络转换得到所需的高通，带通，带阻滤波器。
本文对带通滤波器的设计技术进行了初步的研究并尝试了实际的设计。第一章介绍了滤波器综合设计法的基本知识，包括工作参数、二端口网络的传递函数、归一化数值等。第二章介绍了几种低通滤波器，包括Butterwoth低通滤波器和Chebyshev低通滤波器，另外详细了解带通滤波器的设计基础理论。第三章以实例给出了Butterwoth带通滤波器的设计方法，并运用PSpice对所设计滤波器进行优化设计，以达到我们所要的指标，最后对所做滤波器的性能做出分析和说明。
关键词：带通滤波器,网络综合,仿真, PSpice
With modern electronic circuit technology, Filter and communication products has played an important role in RF frequency band, traditional filter structure is still in use, digital filter is not replaced. Filter design with the development of computer technology on a new level, and the low-pass filter through to the band pass filter conversion method is still our first choice. Filter parameters choice is good or bad will to a certain extent, affected the whole system of stability and indicators of the quality of the noise, Therefore the design of a good performance of the filter in the importance of communication. In the integrated filter design, the first integrated design usually low-pass filter prototype. then by the low-pass filter prototype using frequency converter, through the network switch with the necessary high-pass, band-pass, band stop filter. In this paper, the band pass filter technology for the design of a preliminary study and try to actual design. The first chapte