A square ring dual-band filter with adjustable second-passband by the open stubs

A square ring dual-band filter with adjustable second-passband is presented for dual-band applications at 2.4 GHz and 4.5 GHz. The first resonance frequency is decided by the perimeter of the square ring and the second frequency by both the ring and the open stubs. The filter's current and the...

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Bibliographic Details
Main Authors: Li Li, Ting-Ting An, Wen-Wen Wang, Wen-Mei Zhang
Format: Conference Proceeding
Language:English
Subjects:
Analytical models
Dual band
Educational institutions
filter
open stub
Passband
Performance analysis
Physics
Prototypes
Resonance
Resonant frequency
Resonator filters
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Description
Summary:A square ring dual-band filter with adjustable second-passband is presented for dual-band applications at 2.4 GHz and 4.5 GHz. The first resonance frequency is decided by the perimeter of the square ring and the second frequency by both the ring and the open stubs. The filter's current and the influence of the location and size of stubs to the filter's performance is analyzed and simulated. A prototype based on the proposed topology is fabricated for validating the design and the measured results are in agreement with the theoretical predictions.
DOI:10.1109/ICMMT.2008.4540365