某机载抗振捷变频频综器设计  

Design of a Airborne Frequency Agility Synthesizer

作　　者：高玉良[1] 王新[1] 张路[1] 

机构地区：[1]空军雷达学院信息对抗系,武汉430019

出　　处：《现代雷达》2008年第9期80-83,共4页Modern Radar

摘　　要：设计了1种用于某机载电子设备上的捷变频频率综合器。该合成器采用快捕、隔振技术以及数字锁相和谐波混频技术,在很小的体积内实现了合成器的低相噪、捷变频和抗振等性能指标。测试结果为:输出频率Ku波段,带宽480 MHz,跳频点数49点,相噪优于-96dBc/Hz/1kHz,杂波抑制优于-70 dBc,捷变频时间小于50μs。A frequency agility synthesizer to be used in some airborne electronic equipments has been designed in this paper.Fast capture and vibration-isolation technology are adopted,phase locking and harmonics mixing are combined to implement the synthesizer.The synthesizer features small size,low phase noise and little frequency hopping time.The testing results show that phase noise is better than-96 dBc/Hz/1 kHz and the spurious output is below-70 dBc in the Ku band,the bandwidth is 480 MHz,frequency hopping numb...

关 键 词：KU波段 数字锁相环 捷变频 隔振 

分 类 号：TN74[电子电信—电路与系统]