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International Journal of Wireless and Microwave Technologies(IJWMT)

ISSN: 2076-1449 (Print), ISSN: 2076-9539 (Online)

Published By: MECS Press

IJWMT Vol.6, No.5, Sep. 2016

Compact UWB BPF with a Tunable Notched Band based on Triple-mode HMSIW Resonator

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Author(s)

Chunxia Zhou, Peipei Guo, Wen Wu

Index Terms

Filter;Half-mode substrate integrated waveguide (HMSIW);Tunable notch;Ultra-wideband (UWB)

Abstract

A novel triple-mode resonator based on the half-mode substrate integrated waveguide (HMSIW) structure is proposed to design the ultra-wideband (UWB) filters. The UWB filter topology is given by analyzing the resonant frequencies of the three modes and the signs of the coupling between the three modes and the input/output ports. With the filter synthesis method, a triple-mode UWB filter with passband from 3.1-10.6 GHz is effectively realized with two transmission zeros at the upper stopband. To block the existing undesired narrowband radio signals in FCC UWB range, a notched band can be easily generated and controlled by a loaded stub-capacitor. For demonstration, an UWB filter with a tunable notched band from 3.7 to 7.7 GHz and compact size is designed and fabricated. Both simulated and measured results indicate that the proposed new filter has the properties of wide tuning range of the notched band and sharp roll off. 

Cite This Paper

Chunxia Zhou, Peipei Guo, Wen Wu,"Compact UWB BPF with a Tunable Notched Band based on Triple-mode HMSIW Resonator", International Journal of Wireless and Microwave Technologies(IJWMT), Vol.6, No.5, pp.1-9, 2016.DOI: 10.5815/ijwmt.2016.05.01

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