Accurate computer aided design of interdigital filters applying a coupling identification method

Author

Saboureau, C. ; Bila, S. ; Baillargeat, D. ; Verdeyme, S. ; Guillon, P.

Author_Institution

Inst. de Recherche en Commun. Opt. et Microondes, CNRS, Limoges, France

Volume

3

fYear

2002

fDate

2-7 June 2002

Firstpage

2089

Abstract

Interdigital filters are found to be difficult to adjust because of improper couplings that occur at high frequency. To solve this problem, a new optimization method for the design of high frequency interdigital filters is presented in this paper. This optimization method uses an accurate computer aided design method, based on the identification of each resonator coupling including parasitic ones. In order to show the feasibility of such a method an example of a 3.1 GHz band-pass filter around 18.95 GHz is studied.

Keywords

band-pass filters; circuit CAD; circuit optimisation; identification; linear network synthesis; microstrip filters; microwave filters; passive filters; resonator filters; strip line filters; 18.95 GHz; 3.1 GHz; CAD method; HF interdigital filters; band-pass filter; computer aided design; coupling identification method; optimization method; parasitic couplings; resonator coupling; Band pass filters; Bandwidth; Design methodology; Frequency; Microstrip components; Microstrip filters; Microwave filters; Optimization methods; Resonator filters; Stripline;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest, 2002 IEEE MTT-S International

Conference_Location

Seattle, WA, USA

ISSN

0149-645X

Print_ISBN

0-7803-7239-5

Type

conf

DOI

10.1109/MWSYM.2002.1012281

Filename

1012281