Bandpass filters using stepped impedance resonators and stub loads for wide harmonics suppression

Author

Lerdwanittip, Reungyot ; Namsang, Apirada

Author_Institution

Avionics Div. Civil Aviation Training Center, Suranaree Univ. of Technologym, Bangkok, Thailand

fYear

2014

fDate

14-17 May 2014

Firstpage

1

Lastpage

4

Abstract

This paper proposes design of a bandpass filter with wide harmonics suppression more than 4f₀. Designing uses step-impedance resonators structure for operates the center frequency and uses stub loads for harmonics suppression. This bandpass filter is designed for support WLAN at 2.45 GHz. The measured results of the proposed bandpass filter have the insertion loss 1.00 dB and the return loss 29.26 dB at the center frequency 2.44 GHz. The harmonics suppression can be suppressed the insertion loss lower than -16 dB up to 10 GHz.

Keywords

UHF filters; band-pass filters; harmonics suppression; resonator filters; wireless LAN; WLAN; band-pass filter; frequency 2.45 GHz; loss 1 dB; loss 29.26 dB; stepped impedance resonator; stub load; wide harmonics suppression; Band-pass filters; Couplings; Harmonics suppression; Impedance; Insertion loss; Microstrip filters; Resonant frequency; bandpass filter; harmonics suppression; stepped impedance; stub load;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 2014 11th International Conference on

Conference_Location

Nakhon Ratchasima

Type

conf

DOI

10.1109/ECTICon.2014.6839811

Filename

6839811