Improvement of out-of-band rejected and spurious response for BPF using fourth-order cross-coupling resonator structure

Chen, Wu-Nan; Chia, Wei−Kuo; Yang, Chunlei; Lin, H.-H.

doi:10.1109/apmc.2009.5384482

Cited by 3 publications

(1 citation statement)

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“…Chen used second and third order sierpinski square resonators to design dual‐band WLAN filters which had the advantage of smaller dimensions . Two resonators with different resonating frequencies can be used to design dual‐band filters .…”

Section: Introductionmentioning

confidence: 99%

Improvement the design of microwave dual‐band BPF by DGS technique

Amiri

Khajavi

2016

Micro & Optical Tech Letters

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This article presents a new method for designing a dual‐band bandpass filter at microwave frequency with improvement on filter characteristics like bandwidth, in band insertion loss and outband and decrease the neutral harmonics on stopband with using defected ground structure (DGS) technique. The basic resonator, with a single passband, was designed using an open‐circuit capacitor‐coupled stripline resonator. An I‐shape architecture was employed at the middle part of the basic resonator to create a dual‐passband frequency response. Finally, the current density of the filter with DGS and without DGS is shown. Simulation results for the proposed filter include performance at 4.6 GHz and 7.3 GHz with respective bandwidths of 178 MHz and 155 MHz. Simulation results well match the characteristics of the fabricated filter. © 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:2133–2137, 2016

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Section: Introductionmentioning

confidence: 99%