Abstract
Metamaterial-based cut-band filters are realized by combining either split-ring resonators (SRRs) close to a microstrip line or complementary split-ring resonators under this line. Indeed, their use reduces the size of conventional microwave filters. The study of this paper focuses on the influence of the association of different arrays of SRR especially on the bandwidth of the cut-band filter.
Highlights
In recently, many people have focused on filter design with split-ring resonator (SRR) or improved SRR structures [1, 2]
The study of this paper focuses on the influence of the association of different arrays of SRR especially on the bandwidth of the cut-band filter
This resonance frequency is narrow band which can be explained by analogy to LC resonator, where the inductance L is the length of the ring and the capacitance C is the size of the cut
Summary
Many people have focused on filter design with split-ring resonator (SRR) or improved SRR structures [1, 2]. When SRRs are excited by magnetic field, their real part of permeability can be highly positive to negative close to their resonance frequency. This resonance frequency is narrow band which can be explained by analogy to LC resonator, where the inductance L is the length of the ring and the capacitance C is the size of the cut. Through their properties, the SRRs are used to reduce the size of microwave filter [8]. Reignault UFR SITEC, University Paris Ouest Nanterre La Defense, Ville d’Avray, France
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