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http://dx.doi.org/10.5370/KIEE.2013.62.12.1758

A Study on the Performance of the Stable Cascading BPF  

Kim, Jung-Hwan (NEO LEDS, Inc.)
Shin, Seung-Sik (UCUBEIN, Inc.)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.62, no.12, 2013 , pp. 1758-1763 More about this Journal
Abstract
This paper is a study on the performance of the stable cascading BPF. There are generally two methods of designing IIR filter, which are a direct method and an indirect one. The indirect design method that is transformed into the BPF by frequency transformation using the prototype analog LPF which is satisfied for designing specifications is applied to this study. As typical prototype analog LPFs, there are the Butterworth filter, the Chebyshev filter and the elliptic filter. In this study, we connect the frequency transformed BPFs (to the cascade form) which have been converted from the stable Butterworth filter and Chebyshev filter. Three classified simulations are conducted in this study, which are the cascading Butterworth BPF Only, the cascading Chebyshev BPF Only and the cascading Butterworth and Chebyshev BPFs. As a result of the simulation, this study shows that a ripple size of the cascading Chebyshev BPF Only is about 1[dB] smaller than that of the cascading Butterworth and Chebyshev BPFs and also the skirt characteristic of the cascading Chebyshev BPF in the transition band is most outstanding and has the widest bandwidth. The result of performance comparison shows the validity of specifications required in the workplace.
Keywords
Prototype analog filter; Butterworth filter; Chebyshev filter; Cascading filter;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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