Dual-Band Half Mode Substrate Integrated Waveguide Filter With Independently Tunable Bands

Citation

Iqbal, Amjad and Lee, Ching Kwang and Mallat, Nazih Khaddaj and Wong, Sai Wai and Tiang, Jun Jiat (2020) Dual-Band Half Mode Substrate Integrated Waveguide Filter With Independently Tunable Bands. IEEE Transactions on Circuits and Systems--II: Express Briefs, 67 (2). pp. 285-289. ISSN 1549-7747, 1558-3791

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Abstract

In this brief, a dual-mode dual-band filter based on half-mode substrate integrated waveguide (HMSIW) is presented. The proposed filter has the capability to tune the two pass-bands independently. The proposed filter consists of two HMSIW resonators coupled through a pair of E-shaped coupling slots. Two resonating modes (TE 101 and TE 102 ) are excited in each resonator. A varactor diode is used in the proposed filter for tuning purpose. The varactor diode is placed in the structure in such a way that both bands can be tuned independently. The lower passband can be tuned from 3.26 to 3.47 GHz with insertion loss of 0.2-2.9 dB. The higher passband can be tuned from 5.47 to 6.13 GHz with low insertion loss of 0.1-2.1 dB. The presented results show the flexibility of the filter to achieve desired responses and its suitability for integration with any tunable planar structure. A good agreement between the simulated and measured results is observed.

Item Type: Article
Uncontrolled Keywords: Electric resonators
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 22 Dec 2020 05:35
Last Modified: 22 Dec 2020 05:35
URII: http://shdl.mmu.edu.my/id/eprint/7976

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