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A tunable and compact LH transformer has been presented. The proposed transformer has been designed in CPW configuration on ferrite substrate. The transformer has been studied analytically and its performance is verified numerically. The results show a tuning capability of the proposed transformer compared to the identical dielectric transformer by changing the applied DC magnetic bias.
This paper presents, for the first time, a tunable left handed coplanar waveguide zeroth-order resonator on a ferrite substrate. Analysis and design procedures of the proposed resonator are introduced. The proposed resonator is designed to be tuned over the frequency band from 3 to 4.85 GHz with lower than 3-dB insertion loss and better than 10-dB return loss. The dimensions of the proposed resonator...
This paper presents, for the first time, a new LH CPW TL, which exhibits dual-band LH passbands with reciprocity and non-reciprocity in addition to the conventional right handed (RH) passband. The proposed TL is composed of a CPW over a ferrite substrate, magnetized in a direction perpendicular to its strip, and periodically loaded with shunt planar strip inductors and series air gap capacitors. The...
This paper presents the study of the performance of a left handed (LH) transmission line (TL) implemented using coplanar waveguide (CPW) over ferrite substrate longitudinally magnetic biased, magnetized in a direction parallel to the propagation direction, and periodically loaded with shunt planar strip inductors and series air gap capacitors. The dispersive negative permeability of the ferrite substrate...
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