Design of multiplierless elliptic narrowband IIR digital filter based on sensitivity analysis

Author

Trirat, Akraphon ; Chivapreecha, Sorawat ; Khunaworawet, T. ; Ruangrangsan, T. ; Dejhan, Kobchai

Author_Institution

Fac. of Eng., King Mongkut´´s Inst. of Technol., Bangkok, Thailand

Volume

1

fYear

2004

fDate

26-29 Oct. 2004

Firstpage

171

Abstract

In this paper, we present a technique for the design of narrowband multiplierless IIR filter based on sensitivity analysis. All the multiplication constants in the proposed filter structure are implemented with a small number of shift registers and adders. It is shown in the paper that by appropriated design of the elliptic minimal Q-factor (EMQF) prototyped transfer function, (n+1)/2 multiplication constants of highest sensitivity can be implemented without quantization. The quantization of the remaining (n-1)/2 less-sensitivity constants is performed using phase-tolerance scheme.

Keywords

IIR filters; adders; elliptic filters; network synthesis; sensitivity analysis; shift registers; transfer functions; adders; elliptic minimal Q-factor prototyped transfer function; filter structure; multiplication constants; multiplierless elliptic narrowband IIR digital filter design; phase-tolerance scheme; sensitivity analysis; shift registers; Adders; Digital filters; IIR filters; Narrowband; Prototypes; Q factor; Quantization; Sensitivity analysis; Shift registers; Transfer functions;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications and Information Technology, 2004. ISCIT 2004. IEEE International Symposium on

Print_ISBN

0-7803-8593-4

Type

conf

DOI

10.1109/ISCIT.2004.1412473

Filename

1412473