Synthesis of a Complex RiCR Filter with Finite Transmission Zeros

Hidehiro KIKUCHI  Yukio ISHIBASHI  Kazuhiro SHOUNO  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E87-A   No.2   pp.390-397
Publication Date: 2004/02/01
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
complex,  filter,  RiCR,  finite transmission zero,  equiripple,  

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This paper describes synthesis of a complex RiCR filter with a finite transmission zero except zero frequency. The frequency response of the proposed filter is similar to the conventional elliptic filter. The proposed filter can be composed of fewer elements than the conventional one. A new kernel function is proposed. As an example, a fifth-order RiCR filter is designed. We compare the proposed filter with the conventional complex elliptic filter from the viewpoint of the frequency response and the number of the required elements.