A dual-notched band bandpass filter using embedded fold-slots

Author

Meeloon, Mongkol ; Rattarasarn, Matinee ; Chaimool, Sarawuth ; Akkaraekthalin, Prayoot

Author_Institution

Dept. of Special Investig. (DSI), Bur. of Technol. & Inf. Syst. Center, Bangkok, Thailand

fYear

2012

fDate

27-29 Aug. 2012

Firstpage

313

Lastpage

314

Abstract

An ultra-wideband bandpass filter with dual-notched band is proposed using slotted step-impedance resonator (SSIR) and embedded fold-slot feed structure. The proposed filter has two notches in the passband, resulting from the embedded fold-slot feed. The center frequencies and bandwidths of the notched bands can be controlled by adjusting dimensions of the embedded fold-slot. The wider upper stopbands caused by slot resonator characteristics have been also obtained. A good agreement between the simulated and measured results is observed. The filter has dual-notched band with center frequencies of 5.6 GHz and 9.3 GHz, respectively. High stopband performances with better than 15 dB for a frequency range up to 18 GHz have also been obtained.

Keywords

band-pass filters; microwave filters; notch filters; resonator filters; SSIR; dual-notched band bandpass filter; embedded fold-slot feed structure; frequency 5.6 GHz; frequency 9.3 GHz; slot resonator characteristics; slotted step-impedance resonator; ultrawideband bandpass filter; Band pass filters; Feeds; Microwave filters; Resonant frequency; Resonator filters; Ultra wideband technology; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation (APCAP), 2012 IEEE Asia-Pacific Conference on

Conference_Location

Singapore

Print_ISBN

978-1-4673-0666-9

Type

conf

DOI

10.1109/APCAP.2012.6333271

Filename

6333271