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Information Journal Paper

Title

A Compact Wide Bandpass Filter based on Substrate Integrated Waveguide (SIW) Structure

Pages

  132-141

Keywords

substrate integrated waveguide (SIW) 

Abstract

 In this pare, a wideband three-order bandpass filter (BPF) is proposed. The proposed wideband filter is designed using the substrate integrated waveguide (SIW) structure by loading T-shape slots. A BPF with two resonators is formed by etching T-shape slots with different size on the top metal plane of the SIW structure. The proposed filter is investigated with the theory of coupled resonator circuits. The T-shape slots which etched on the SIW structure are used to form up a new multiple-mode resonator (MMR) in order to achieve a wide passband of operation while keeping the overall size of the proposed filter to be much compact. The design procedure as well as design curves of the filter are given and discussed here. Compared with some other reported BPFs with SIW technique, the presented BPF using the SIW structure loaded by T-shape slot has great improvements on size reduction and selectivity. In order to prove the validity, the proposed wideband SIW BPF on a single layer printed circuit board (PCB) is designed and experimentally examined. The measured results show that the filter achieves an insertion loss of 1. 1 dB at 6. 4 GHz and a return loss of higher than 22 dB. The proposed filter has a pass-band covers 5. 1 to 7. 99 GHz and its simulated and measured 3 dB fractional bandwidth is about 44. 3%. The measured results are in a good agreement with the simulated results.

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    • Cite

    APA: Copy

    DANAEIAN, MOSTAFA, Ganji ashkezari, ali, AFROOZ, KAMBIZ, & HAKIMI, AHMAD. (2015). A Compact Wide Bandpass Filter based on Substrate Integrated Waveguide (SIW) Structure. JOURNAL OF COMMUNICATION ENGINEERING, 4(2), 132-141. SID. https://sid.ir/paper/335716/en

    Vancouver: Copy

    DANAEIAN MOSTAFA, Ganji ashkezari ali, AFROOZ KAMBIZ, HAKIMI AHMAD. A Compact Wide Bandpass Filter based on Substrate Integrated Waveguide (SIW) Structure. JOURNAL OF COMMUNICATION ENGINEERING[Internet]. 2015;4(2):132-141. Available from: https://sid.ir/paper/335716/en

    IEEE: Copy

    MOSTAFA DANAEIAN, ali Ganji ashkezari, KAMBIZ AFROOZ, and AHMAD HAKIMI, “A Compact Wide Bandpass Filter based on Substrate Integrated Waveguide (SIW) Structure,” JOURNAL OF COMMUNICATION ENGINEERING, vol. 4, no. 2, pp. 132–141, 2015, [Online]. Available: https://sid.ir/paper/335716/en

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