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This paper presents construction of a composite right/left-handed (CRLH) transmission line (TL) using microstrip coupled lines. For getting high coupling in comparison to conventional edge coupled microstrip line, the floating slot in the ground plane is used. Two configuration named as SOS(shortopen-short) the OSO(open-short-open) model are studied for realization of band pass filter. The floating...
A selective bandpass filter is presented by using a pairs of open loop resonators, each has a perimeter about half-wavelength. For the improvement of bandwidth, we have used a DGS under coupled area. A prototype filter circuit of center frequency at 1.8 GHz has been fabricated with PTFE substrate. Measured result shows bandwidth of 200 MHz with insertion loss of 0.2 dB at center frequency of 1.95...
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