METHODS AND APPARATUS FOR COINCIDENT PHASE CENTER BROADBAND RADIATOR
First Claim
1. A radiator, comprising for each of two polarizations in a unit cell:
- first and second fins to provide an air transition for a signal, the radiator including a throat region between the first and second fins;
a signal path transitioning to a slotline feed;
a slotline split forming a part of the slotline feed to provide signal power division and 180 degree phase shift for rejoinder in the throat of the radiator to launch the signal into free space.
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Accused Products
Abstract
Methods and apparatus for a coincident phase center dual polarized slotline radiator. In one embodiment, a radiator includes, for each of two polarizations in a unit cell: first and second fins to provide an air transition for a signal, the radiator including a throat region between the first and second fins, a microstrip path transitioning to a slotline feed, a slotline split forming a part of the slotline feed to provide signal power division and 180 degree phase shift for rejoinder in the throat of the radiator to launch the signal into free space. In another embodiment, a four port radiator is provided.
37 Citations
13 Claims
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1. A radiator, comprising for each of two polarizations in a unit cell:
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first and second fins to provide an air transition for a signal, the radiator including a throat region between the first and second fins; a signal path transitioning to a slotline feed; a slotline split forming a part of the slotline feed to provide signal power division and 180 degree phase shift for rejoinder in the throat of the radiator to launch the signal into free space. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A radiator, comprising for each of two polarizations in a unit cell:
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first and second fins to provide an air transition for a signal, a throat region between the first and second fins; a first signal path transitioning to a first slotline feed; a second signal path transitioning to a second slotline feed; a slotline rejoinder for rejoining signals of the first and second slotline feeds in the throat of the radiator to launch signal into free space. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification