Development of LTCC-based super-compact multi-layered CRLH transmission lines and broadband applications

This paper introduces research history of multi-layered composite right/left-handed transmission lines (ML CRLH TLs) and demonstrates two types of super-compact ultra-wideband (UWB) band pass filters configured by LTCC-based ML CRLH TL architecture. UWB response (2.7-10.6 GHz in simulation and 2.4-10.6 GHz in experiment) is realized with extremely small overall dimensions of 1.5 × 1.5 × 0.95 mm3.

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