基于一种新型电路优化方法的滤波器综合

Synthesis of General Chebyshev Filters by a Novel Optimization

该文首先介绍了Cameron的矩阵变换法,此为综合带有有限传输零点的广义切比雪夫滤波器的经典方法。其次,该文提出了一种新型而有效的综合方法,构建模型并用电路优化的方法进行综合。电路由谐振单元和阻抗变换器组成,具有结构简单、优化速度快、结果准确可靠的特点。最后,比较两种方法得到滤波器响应,证明电路优化方法是可行的,高效的。

An efficient recursive method is used to generate the Chebyshev transfer and reflection polynomials, it＇ s a classical method in synthesis of general Chebyshev filters by Mr. Cameron. Then, a novel simple optimal method is introduced by using model and optimized circuit. The circuit is composed of resonators and impedance converters. The circuit＇ s characteristic is simple configuration, less time consuming, and exact results. Last, compare the results with two methods, the validation and efficiency of the new method has been shown.