A compact UWB bandpass Filter using pseudo-interdigital stepped impedance resonators

Author

Ji, Ming-Zhong ; Chu, Qing-Xin ; Chen, Fu-Chang

Author_Institution

Sch. of Electron. & Inf. Eng., South China Univ. of Technol., Guangzhou

Volume

1

fYear

2008

fDate

21-24 April 2008

Firstpage

344

Lastpage

346

Abstract

A compact bandpass ultra-wideband filter using pseudo-interdigital stepped impedance resonators (PI-SIRs) and tapped input/output (I/O) is predicted and implemented with microstrip line. By adding a short stab on the I/O ports, the BPF has good performances at the whole UWB passband of 3.1 GHz - 10.6 GHz. It is shown that the UWB BPF has a smaller size in comparison of previous works. The measured bandwidth is 3.11 GHz-10.58 GHz, experimental results of the fabricated filter agree well with the predicted results.

Keywords

band-pass filters; microstrip filters; ultra wideband technology; compact UWB bandpass filter; frequency 3.11 GHz to 10.58 GHz; microstrip line; pseudo interdigital stepped impedance resonators; Band pass filters; Bandwidth; Couplings; Impedance; Insertion loss; Microstrip filters; Microstrip resonators; Passband; Resonator filters; Ultra wideband technology; Bandpass filter (BPF); Ultra wideband (UWB); compact; pseudo-interdigital (PI); stepped impedance resonator (SIR); tapped input/output (I/O);

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave and Millimeter Wave Technology, 2008. ICMMT 2008. International Conference on

Conference_Location

Nanjing

Print_ISBN

978-1-4244-1879-4

Electronic_ISBN

978-1-4244-1880-0

Type

conf

DOI

10.1109/ICMMT.2008.4540382

Filename

4540382