Lightweight dual band active electronically steered array
First Claim
1. A multiband phased array antenna comprising:
- a plurality of multi-layer circuits having tile subarrays thereon, each tile subarray attached to a corresponding one of a plurality of discrete frames, each discrete frame comprising a plurality of support members including a dipole-radiating element member and an RF distribution element member electrically connected to the plurality of multi-layer circuits,wherein the plurality of discrete frames and corresponding tiles are configured to be joined together to form a scalable array antenna.
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Accused Products
Abstract
This invention pertains to a lightweight dual-band electronically steered phased array antenna having a multi-layer circuit for supplying DC and a ground plane to RF-on-flex subarrays. A dipole and two additional legs form a four-legged pyramid that stiffens the multi-layer circuit structure and serves as a bonding point to a radome surface. Two of the legs of the pyramid incorporate a low-band V dipole-radiating element. A third leg of the pyramid distributes RF energy to the subarrays via the multi-layer circuit. At the base of the pyramid is an open rectangular frame that accepts the insertion of the multi-layer circuit. An infrared laser transmitter distributes high and low band transmit/receive module control signals to an infrared detector on the opposite side of the subarrays.
7 Citations
24 Claims
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1. A multiband phased array antenna comprising:
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a plurality of multi-layer circuits having tile subarrays thereon, each tile subarray attached to a corresponding one of a plurality of discrete frames, each discrete frame comprising a plurality of support members including a dipole-radiating element member and an RF distribution element member electrically connected to the plurality of multi-layer circuits, wherein the plurality of discrete frames and corresponding tiles are configured to be joined together to form a scalable array antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A multiband phased array antenna comprising a plurality of multi-layer circuits configured as a frame panel;
- a plurality of RF-on-flex subarray tiles, wherein each of the multi-layer circuits are coupled to a discrete pyramidal frame that serves as bonding point to an opposing radome surface, each discrete pyramidal frame having two legs that incorporate a low-band V dipole-radiating element, a third leg that distributes RF energy to the subarray tiles, and a base that forms a sub frame of said frame panel to accept the insertion of a corresponding one of the subarray tiles,
wherein the plurality of discrete pyramidal frames and corresponding subarray tiles are configured to be joined together to form a scalable array antenna. - View Dependent Claims (15, 16)
- a plurality of RF-on-flex subarray tiles, wherein each of the multi-layer circuits are coupled to a discrete pyramidal frame that serves as bonding point to an opposing radome surface, each discrete pyramidal frame having two legs that incorporate a low-band V dipole-radiating element, a third leg that distributes RF energy to the subarray tiles, and a base that forms a sub frame of said frame panel to accept the insertion of a corresponding one of the subarray tiles,
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17. A method for making a multiband phased array antenna comprising:
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providing a plurality of multi-layer circuits; and forming a pyramidal frame support having legs which supply a plurality of dipole elements extending outwardly from the pyramidal frame support vertex, and attaching the multi-layer circuits to the base of the four legs of the pyramidal frame support and arranging the pyramidal frame in a rectangular tessellation. - View Dependent Claims (18, 19, 20)
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21. A multiband phased array antenna comprising:
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a plurality of multi-layer circuits; a pyramidal frame support having legs which supply a plurality of dipole elements extending outwardly from the pyramidal frame support vertex, and multi-layer circuits attached to the base of the four legs of the pyramidal frame support, wherein the pyramidal frame in arranged in a rectangular tessellation. - View Dependent Claims (22, 23, 24)
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Specification