摘要
介绍了LDMOS功率器件的特性,通过与传统Si功率器件相比较,LDMOS器件具有低成本、高增益、高线性度、热稳定性好和高可靠性等特点,在固态雷达发射系统中有广阔的应用前景,本文对LDMOS功率器件在固态雷达发射系统中应用进行理论分析,并利用LDMOS功率器件设计制作了P波段300W功放组件,对LDMOS功率放大组件进行性能测试,根据试验数据分析应用LDMOS功率器件对固态雷达发射系统的影响。
In this paper,the performance characteristics and advantages of the LDMOS power device are analyzed in detail.Compared with Si power device,it has remarkable advantages such as low-cost,high-gain,high linearity,better thermal stability and high reliability,etc.A P band 300W LDMOS power amplifier was developed with the LDMOS power devices.The performances tests of the amplifiers are carried out,which show that compared with Si power device,the performance of Radar transmitter can be improved with the application of the LDMOS power devices.The superior properties of LDMOS power devices make LDMOS technology a prime candidate for use in transmitters for radar systems.
出处
《微波学报》
CSCD
北大核心
2010年第S1期409-412,共4页
Journal of Microwaves
