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US 10,651,815 B1Granted
Compact wide bandwidth passive phase shifter for radio frequency and microwave applications
AssigneeUnited States of America as represented by the Administrator of NASA
InventorWei-Chung Huang
Life of this patent
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Abstract
A passive phase shifter includes a reference line and a half-wavelength transmission line, where the half-wavelength transmission line is loaded with a perpendicular quarter wavelength rectangular stub and a quarter wavelength radial stub structure connected in series.
Claims15
A passive phase shifter comprising:
- a reference line;
- and
- a half-wavelength transmission line, wherein the half-wavelength transmission line is loaded with a perpendicular quarter wavelength rectangular stub and a quarter wavelength radial stub structure connected in series, wherein the quarter wavelength radial stub structure comprises pentagonal radial stub elements arranged on opposing sides of the perpendicular quarter wavelength rectangular stub.
Dependencies are inferred from the claim text.