Folded SIR with CSRRs for Ultra Wide Band Applications

Bindu, C.J.; Mridula, S.

doi:10.1109/ised.2013.43

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2014

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“…A modification with less number of resonators and easily realizable gap between coupled lines is reported in [12]. Further improvement in size is achieved in [13]. This work tries to improve the stop band characteristics and selectivity of a UWB filter by introducing series capacitors and dumb bell shaped Defected Ground Structures (DGS), without increasing the size and order of the filter.…”

Section: Introductionmentioning

confidence: 99%

High Selectivity Filter Employing Stepped Impedance Resonators,series Capacitors and Defected Ground Structures for Ultra Wide Band Applications

Bindu¹,

Mridula²,

Mohanan³

2014

PIER C

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The paper presents a compact planar Ultra Wide Band filter employing folded stepped impedance resonators with series capacitors and dumb bell shaped defected ground structures. An interdigital quarter wavelength coupled line is used for achieving the band pass characteristics. The transmission zeros are produced by stepped impedance resonators. The filter has steep roll off rate and good attenuation in its lower and upper stop bands, contributed by the series capacitor and defected ground structures respectively.

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Section: Introductionmentioning

confidence: 99%