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A Microstrip Phase Shifter Design Using a Switch-Loaded Ground Plate
Dowon KIM Moonil KIM
IEICE TRANSACTIONS on Communications
Publication Date: 2006/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Devices/Circuits for Communications
reconfigurable ground plane, microstrip phase shifter, electromagnetic bandgap,
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A microstrip phase shifter design that uses a reconfigurable metal pattern on the EBG ground plate is introduced. The EBG ground plate metal pattern contains a linear array of thin slots with switching devices loaded at the center. This design can vary the phase constant with minimum mismatch loss over a large frequency bandwidth. Several test ground plates without actual switching devices were used to verify the design concept.