Design of 3-valued R-S & D type of flip-flops is described. A new clock is developed according to which circuit makes transition as well as retains present, past & former past information. The proposed flip-flops are constructed using clocked T-Gates that reduces the number of transistors required to implement single clocked gates. In the verification by simulation, the proposed flip-flops appears to have lesser power consumption and better speed of operation.

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Abstract-Metamaterials are artificial structures which provide engineerable permeability and permeability. This paper gives classification of metamaterial based on available literature. In this paper Split Ring Resonator is used to explain the concept of metamaterials. Further the work is extended to design printed monopole antenna and effect of SRR to generate multiband antenna in the frequency band of 1 GHz to 10GHz. In next section of paper multiband antenna in converted to UWB antenna by modifying the ground structure of multiband antenna using SRR. Now day's multiband antenna with compact size is growing field of research and metamaterials promise small size, high efficient multiband and UWB antennas.