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Journal from gdlhub / 2020-01-09 08:55:11
Oleh : Zaid A. Abdul Hassain, Amer Abbood AL-Behadili, Adham R. Azeez, Telkomnika
Dibuat : 2020-01-09, dengan 1 file

Keyword : bandpass filter, microstrip filters, MTMs filters, parallel coupled BPF, SBF based on SRR/CSRR
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/issue/view/640
Sumber pengambilan dokumen : web

In this paper a new approach for first order Chebyshev parallel coupled Bandpass filter resonant at

1 GHz is presented to obtain better results (wideband rejection, high selectivity and low bandpass insertion

loss) compared to conventional design. The proposed filter (a tri-formation consisting of CSRR, SRR and

stubs of stepped impedance are loaded microstrip resonator) can be configured, by laying split ring

resonator (SRR) and complementary split ring resonator (CSRR) with 50 Ω microstrip lines, in addition to

effect of loading two stubs of stepped impedance around center of midline microstrip with impedance line

55.36 Ω of parallel coupled. The proposed filter produces high selectivity from passband to stopband

transition equals to 307.5 dB/GHz and an excellent wide stopband performance extend from 1.22 GHz to

5 GHz (harmonics repression till for 5 ƒ0); all are bellow -20 dB excepting one transmission zero of -19 dB,

that can be eliminate the harmonic superior frequencies without using any external Bandstop filter.

Also, enhancement low bandpass insertion loss level, where it reaches 0.25 dB at fundamental centered

frequency (ƒ0 = 0.96 GHz) with 21% bandwidth. The proposed filter is designed and simulated with

computer aided of Ansoft HFSS software package which ordinarily used in microwave application

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