ADS7947在某导航雷达PMA设计中的应用

Application of ADS7947 in the design of navigation radar'PMA

PMA可以在海军舰艇电子装备舰员级维修中发挥重要作用,为了满足某舰载导航雷达PMA设备研制的需要,设计了基于ADS7947的高精度、低功耗、PC/104总线A/D转换模块。该模块通过大规模FPGA完成PC/104总线接口、A/D转换控制、A/D转换数据的串/并变换、缓存以及模块的功耗控制等功能。经实际使用证明,该模块的各项性能指标,均可以较好地满足海军某导航雷达PMA模拟输入通道高精度、低功耗、多通道等的需要。该模块已随着PMA的生产,广泛应用到海军某舰载导航雷达舰员级维修中。

PMA can play an important role in the seaman class maintenance of naval vessel electronic equipment.To meet the need of PMA designing for one kind of carrier navigation radar,this paper design an ADS7947 basing A/D module,which is high precision,low power comsumption and using PC/104 bus.The module uses large size FPGA device to fufill the fuctions of PC/104 bus interface,series/parallel converting and caching of A/D conversion data,and the module power controling.It is proved by practical use that the module can meet the high precision,low power comsumption and multichannel demands of one kind of carrier navigation radar PMA analogy input channel.The module has been produced with PMA,and is widely used in the seaman class maintenance of one naval carrier navigation radar.