MINIATURE PLANAR UWB BANDPASS FILTERS WITH CIRCULAR SLOTS IN GROUND | Zendy

Mahdi Naghshvarianjahromi | Zendy; Majid Tayarani | Zendy

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MINIATURE PLANAR UWB BANDPASS FILTERS WITH CIRCULAR SLOTS IN GROUND

Author(s) -

Mahdi Naghshvarianjahromi,

Majid Tayarani

Publication year - 2008

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl08020902

Subject(s) - passband , ground plane , insertion loss , band pass filter , planar , ripple , resonator , wideband , linear phase , acoustics , materials science , optics , filter (signal processing) , physics , telecommunications , computer science , engineering , electrical engineering , computer graphics (images) , voltage , antenna (radio)

—In this paper, miniature planar UWB filters with circular slots in ground is presented and we are using a new technique by etching a wideband circular-shape slot resonator in the ground plane of the filters. The proposed filters have compact size of 15 × 12. 4m m, .T wo filters are introduced and the final design achieves flat insertion loss and linear phase of S12 throughout the passband (3.14–8.28 GHz) but occasional slight ripple occurs. Two different results are shown and the minimum,insertion loss is less than 0.13 dB for both of presented filters.

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