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IP.com Disclosure Number: IPCOM000049323D
Original Publication Date: 1982-Apr-01
Included in the Prior Art Database: 2005-Feb-09

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Slavetsky, EJ Snow, WL [+details]


An antenna having improved broadband frequency coverage is constructedd by combining both circular and square interleaved conductor spirals on a substrate. Conductors in the transition portion are increased in width at the corners between the circular and square antennas to equal exposed substrate area and maintain constant circuit impedance over the frequency range.