Design of Three-pole Single-to-balanced Bandpass Filters

Author

Chuang, Chia-Cheng ; Wang, Chin-Li

Author_Institution

Inf. & Commun. Res. Labs., Ind. Technol. & Res. Inst., Hsinchu

fYear

2006

fDate

10-15 Sept. 2006

Firstpage

1193

Lastpage

1196

Abstract

A novel procedure for designing single-to-balanced filters is proposed. The proposed procedure can effectively convert a coupled resonator filter into a single-to-balanced filter without changing the frequency characteristics. Such conversion involves dealing with only a 2-port prototype. The most valuable benefit is the great decrease in the EM simulation time. A 3-pole cross-coupled filter topology is introduced to generate a transmission zero that enhances the side-band rejection. Applying the conversion to the 3-pole topology yielded a 2.4 and a 5 GHz single-to-balanced filter using LTCC technology

Keywords

UHF filters; baluns; band-pass filters; microwave filters; network analysis; poles and zeros; resonator filters; 2.4 GHz; 5 GHz; LTCC technology; baluns; bandpass filters; coupled resonator filter; filter topology; resonator filters; side band rejection; single to balanced filters; transmission zero; Band pass filters; Circuit analysis; Circuit topology; Coupling circuits; Filtering theory; Impedance matching; Inductors; Prototypes; Resonator filters; Space technology; Baluns; bandpass filters; resonator filters;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2006. 36th European

Conference_Location

Manchester

Print_ISBN

2-9600551-6-0

Type

conf

DOI

10.1109/EUMC.2006.281190

Filename

4058041