Abstract: This article presents an integrated dual-directional coupler chip operating from 300 MHz to 145 GHz, together with a dedicated packaging solution for seamless connection to 1.0- and 0.8-mm ...
ACT Energy Technologies has agreed to acquire the oil-and-gas directional drilling services business of SB Directional Services for $47 million in cash and stock. The Canadian directional drilling ...
Abstract: A novel directional coupler topology featuring a narrow width is proposed using via-free ridge air-filled substrate integrated waveguide (VF-RAFSIW) technology. The coupler exhibits a 54% ...
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