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Abstract
The volume, weight and heat dissipation resources of missile borne SAR seeker are seriously limited, and the working environment is extremely harsh. Therefore, more stringent requirements are put forward on the structural design and thermal design of the electronic module on the missile borne SAR seeker. In this paper, the modular structure design and passive thermal control of a missile borne RF module are studied. In order to improve the interchangeability of products and simplify the design, a universal RF module based on JVPX connector is designed in this paper. In view of the high-speed and high-temperature physical working environment of the SAR seeker, the structure of phase-change heat sink is adopted in the module, which solves the thermal control problem of short-term reliable operation of the heating chip on the module. Finally, the effectiveness of the passive heat dissipation is verified by simulation analysis.
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