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In this paper, an improved zeroth-order resonator based on composite right/left-handed transmission lines is presented. Using the proposed zeroth-order resonator a novel RF microwave oscillator is designed. Because of the using of proposed zeroth-order resonator the blocking interdigital capacitor in oscillator circuit is removed, which can simplify the design process and miniaturize the circuit size...
This paper presents a new metamaterial-based waveguide technology referred to as packaging gap waveguide, which is used to improve the performance of zeroth-order resonator (ZOR). In this approach, a lid of spiral nails used for perfect magnetic conductor (PMC) together with the ground plane of the substrate created a gap to suppress the power leakage problem of ZOR. Compared with the previous pin...
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