Design and optimisation of narrow dual bandpass filter using bell-shaped structure for RF receiver system
by Azman Ahmad; Abdul Rani Othman
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 14, No. 1, 2018

Abstract: A novel approach for designing a narrow dual Bandpass Filter (BPF) using microstrip Coupled-Line Resonator (CLR) is presented in this paper. The proposed CLR consists of butterfly radial stub and 45° mitred bending with new 'bell'-shaped structure. The proposed BPF consisting of two fundamental resonant modes with the resonant characteristic has been investigated using ADS software. To validate the design and analysis, the dual BPF was fabricated and measured. It is shown that the measured and simulated performances are in good agreement. A dual-band response BPF that operates at 2.4 GHz and 5.75 GHz is designed and implemented for wireless applications.

Online publication date: Mon, 26-Feb-2018

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