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In this letter, a novel structure of a single split-ring resonator (S-SRR) is presented and discussed. Two metallic vias are combined with the S-SRR to improve the performance. A coplanar waveguide (CPW) loaded with the new structures and series gaps, which works as a band pass filter is simulated and fabricated. The proposed band pass filter reaches a high level of compactness, which provides a good...
A novel transition from coplanar waveguide (CPW) to slotline is presented in this paper, which utilizes conduct vias and metal strips to connect two ground planes of CPW instead of air bridges. The metal strips which connect the two ground planes in the back of CPW are used to suppress the reflected slotline mode in order to reduce the return loss and enlarge the bandwidth. The CPW stub used as a...
In this letter, a novel single split-ring resonator (SRR), which is etched on the back side of a coplanar waveguide (CPW), is presented and discussed. Metallic vias are used to connect the single SRR to ground planes, which greatly improve the performance of the structure. A stop band filter based on this novel structure is simulated and fabricated. Simulated and measured results are in good agreement...
A six-port network based on coplanar waveguide (CPW) interdigitated structures is proposed and presented. Among these six ports, two are isolated ports and two are coupled ports. The left two contain an input port and a direct port. In this paper, the network is designed for dividing the power equally between the two coupled ports and the direct port, namely about 4.8 dB. The return loss is better...
In this paper, the bilateral interdigital coplanar waveguide (CPW) slow wave line is studied. The slow wave effect is obtained by the capacitively loaded structure with a symmetrical interdigital line loaded on the both sides of the central line. This kind of the slow wave line can be regarded as a periodic guided wave structure. As a result, in order to accurately analyze this periodic structure,...
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