In either a stowed or deployed configuration, a satellite typically is not capable of handling several large antenna apertures. The satellite is burdened further by the associated mounting hardware and deployment mechanism of each antenna which adds weight and volume to the satellite. One solution to this problem is to combine two or more antenna apertures into a single unit to reduce weight, complexity and cost and to free up valuable space on the satellite for other critical sensors and equipment storage. Ball Aerospace & Technologies Corporation (BATC) provides such a solution through its Vitreous/spl reg/ antenna technology. This technology utilizes antennas that are electrically transparent to each other and combines them within a single volume. This paper presents a Vitreous/spl reg/ UHF/X-band antenna array developed by BATC for the Jet Propulsion Laboratory (JPL) for future Mars Telecommunications Orbiters (MTO). This relatively low frequency antenna functions properly at its intended frequency, yet appears transparent to higher frequency signals. The design is a 9-element Vitreous/spl reg/ UHF array with an embedded high gain X-band array, which provides 15 dBic of gain at UHF from 390 to 450 MHz in a package that is 1.4/spl times/1.4/spl times/0.06 m in size. The planar X-band array is mounted beneath a Vitreous/spl reg/ patch and shares a common ground plane with the UHF array. It provides 24 dBic of gain at 7.17 GHz and 27 dBic gain at 8.42 GHz. The use of Vitreous/spl reg/ antenna technology allows packaging of both UHF and X-band arrays within the same volume as a single UHF array.


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    Title :

    Combined UHF/X-band proximity link antenna for future Mars telecommunications orbiters


    Contributors:

    Published in:

    Publication date :

    2006-01-01


    Size :

    918917 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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