Circular double center stubs loaded microstrip bandpass filter

Author

Mo, Shao Guo ; Zhang, Long ; Yu, Zhi Yuan

Author_Institution

Inst. of Appl. Phys., Univ. of Electron. Sci. & Technol. of China, Chengdu, China

fYear

2009

fDate

27-29 Oct. 2009

Firstpage

1171

Lastpage

1173

Abstract

Based on the center stub loaded theory, a new microstrip bandpass filter using circular double center stubs loaded resonator is presented in this paper. By changing the shape of the center loaded stubs, the transmission zero shifts from left to right of the passband. One of the filters is designed, fabricated and measured. Both the experiment results and the simulation results agree with well. The proposed resonators have compact size and they are suitable for designing filters which require different selectivity in stopband.

Keywords

band-pass filters; microstrip filters; resonator filters; center stub loaded theory; circular double center stub loaded resonator; controllable transmission zero; microstrip bandpass filter; Band pass filters; Dielectric loss measurement; Dielectric measurements; Dielectric substrates; Filtering theory; Frequency; Microstrip filters; Microstrip resonators; Passband; Resonator filters; Microstrip bandpass filter; controllable transmission zero; double stubs loaded;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2009 3rd IEEE International Symposium on

Conference_Location

Beijing

Print_ISBN

978-1-4244-4076-4

Type

conf

DOI

10.1109/MAPE.2009.5355865

Filename

5355865