L波段宽带上变频器的设计与实现  

Design and implementation of wide-band up-converter in L band

作　　者：张洪涛 张伟 杜欣 

机构地区：[1]北京天航信民航通信网络发展有限公司,北京100193

出　　处：《现代电子技术》2012年第15期90-92,共3页Modern Electronics Technique

摘　　要：介绍了一种L波段宽带上变频器的设计方案与电路实现,该方案可有效降低杂散抑制难度。首先介绍了该方案的电路结构和仿真分析,并给出了关键电路本振和频综的实现方法,最后给出了模块的实测结果。仿真和实测结果表明该模块实现了预期指标需求。In this paper, a design scheme of wide-hand up-converter in L band and the designing method of the circuit are presented, which reduce the difficulty of spurious suppression effectively. Firstly, the paper presents the circuit structure and the circuit simulation analysis, and gives the designing method of the significant circuit that can produce the local oscillation and frequency synthesis. Finally, the actual measurement results of the module is presented. The simulation and measurement results indicate that the module meets the needs of the anticipated specifications.

关 键 词：频率合成器 杂散抑制 本振泄露 超外差 

分 类 号：TN773.34[电子电信—电路与系统]