A novel three phase-states phase shifter

Abstract
A novel compact phase shifter switching three phase states has been demonstrated. The circuit is constructed by adding switching FETs to a conventional single-stage two-phase-state phase shifter. A conventional three-stage, two-phase-state phase shifter can be replaced by the two-stage, three-phase-state device. The total chip size of the newly developed phase shifter is 2/3 that of the conventional one. The authors report on the design of and experimental results for reflection- and loaded-line-type phase shifter (MMICs) (monolithic microwave integrated circuits).<>

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