The thermal design of a high-power C-band phased array with integral solid-state amplifiers, and its integration into a three-axis-stabilized spacecraft, are discussed. A thermal design has been developed employing fixed-conductance heat pipes and an embedded heat pipe radiator panel. The design tradeoffs and problems encountered in removing 2,000 W from a 1-m-diameter array are described, and possible solutions are presented. The highly concentrated heat source associated with solid-state amplifiers has emphasized the importance of minimizing MMIC chip internal thermal resistance in terms of the overall thermal control subsystem weight. Thermal test verification issues and concerns with 1-g operation in integrated spacecraft testing are also addressed.


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    Titel :

    Thermal Design of a High-Power C-Band Phased Array With Integral MMIC Amplifiers


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Albright, G. (Autor:in) / Yogev, I. (Autor:in) / Zaharovits, M. (Autor:in) / Kelly, W. H. (Autor:in)

    Kongress:

    International Conference On Environmental Systems ; 1994



    Erscheinungsdatum :

    1994-06-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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