Flush-mounted piggyback microstrip antenna
First Claim
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1. A piggyback radiating system which comprises:
- p1 a ground plane;
a first radiating element which is flush mounted above the ground plane;
a second radiating element which is flush mounted over the first radiating element in an area where there is minimal current flow;
a first coaxial feed means for feeding the first radiating element; and
a second coaxial feed means for feeding the second radiating element, the outer conductor of the second feed means shorting the ground plane and the first radiating element, therefore serving as an impedance match to the first radiating element.
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Abstract
A dual radiating system where one radiating element is placed atop the ot in a piggyback fashion. The elements can be a pair of microstrip or dielectric-loaded parallel plate radiators, or it can be a combination of the two. Separate coaxial lines feed each of the radiators, and there is a minimum of coupling from one antenna to another. The antenna can be used alone or more effectively in a linear or planar conformal array.
80 Citations
10 Claims
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1. A piggyback radiating system which comprises:
- p1 a ground plane;
a first radiating element which is flush mounted above the ground plane; a second radiating element which is flush mounted over the first radiating element in an area where there is minimal current flow; a first coaxial feed means for feeding the first radiating element; and a second coaxial feed means for feeding the second radiating element, the outer conductor of the second feed means shorting the ground plane and the first radiating element, therefore serving as an impedance match to the first radiating element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- p1 a ground plane;
Specification