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Λ-type 5.75GHz Chebyshev Bandpass Filter for WLAN Applications

Veeraiyah Thangasamy, Shankar Duraikannan

This paper presents the design and evaluation of Λ-type 5.75GHz Chebyshev bandpass filter aimed at reduction of the filter size used for WLAN applications. The proposed filter structure is realized with two different materials Roger Duroid (TLY-5A) and FR4 to have a pass band centered at 5.75GHz with a bandwidth of 100MHz. The performances of designed filter structures are evaluated in comparison with the conventional filter structure. Results shows that the performance of Λ-type filer structure realized using TLY-5A is promising with a size reduction of 51% compared to conventional filter structure.