Compact Broadband Antenna

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Compact Broadband Antenna

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The U.S. Navy seeks to commercialize U.S. Patent 6,667,721 (Compact broadband antenna).

Market Need/Problem

Resolution of many problems associated with multiple individual antennas including co-site interference, blockage, and overall real estate availability

Joint Tactical Radio System’s (JTRS) goal to reduce 25 to 30 radio families into one system to cover 2 MHz to 2 GHz, and beyond, using very few antennas

In 2002, the FCC opened the spectrum in the 3.1-to 10.6-GHz range for Ultra-Wideband (UWB) applications, with future prospects such as wide area networks

The Technology

SSC Pacific has developed a technology that uses a bicone antenna configuration as a feed transformer and exponentially tapered reflector fins to radiate the antenna’s energy (could be modified to a discone w/groundplane design). This permits a device to transmit and receive capability over a range of 130 MHz to 9.0 GHz (capable of improvements to over 10 GHz). Additionally, impedance matched to 50 ohms and this antenna can be omni-directional and vertically polarized.

Key Benefits

Compact design decreases the traditional bicone antenna diameter from 56 to 24 inches, a 60% reduction (24-inch height when enclosed in a cylindrical fiberglass tube)

Scalable to fit frequency requirements – for UWB applications the unit would have approximately one inch dimensions

Return loss is reduced over operating frequency bands compared to classical designs (refer to graphs)

Development Status

U.S. Patent issued: 6,667,721

For more information on technology transfer, please contact us at (619) 553–5118 or email ssc_pac_t2@navy.mil
SD 589, September 2005. SSC Pacific, San Diego, CA 92152–5001. Approved for public release; distribution is unlimited.

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Updated: 10/17/2011 2:58 PM EST Published (1.0)