数控跳频电调谐滤波器的设计  

Design on a Digitally Tunable Frequency-hopping Filter

作　　者：施永热[1] 陈霁月[2] 

机构地区：[1]杭州电子科技大学电子信息学院,浙江杭州310018 [2]中国电子科技集团公司第十五研究所,上海200063

出　　处：《电声技术》2009年第9期31-34,共4页Audio Engineering

摘　　要：研究和设计了一种用于跳频通信系统射频前端的数控跳频电调谐滤波器,具有跳频点数多、跳频速度快等优点,并在不同的跳频点都具有良好的电参数指标。介绍了跳频接收机射频前端系统。对各种形式的电调谐滤波器进行性能分析,确定该数控跳频电调谐滤波器设计方案。介绍了该数控跳频电调谐滤波器电路和硬件电路的设计,包括其在ADS中的仿真模型和性能参数。最后对数控跳频电调谐滤波器进行测试,其性能指标完全达到系统设计要求,而且具有很强的实际应用性。A digitally electricity tunable filter for frequency-hopping communication system RF front-end, which has advantages of lots of hopping points, fast tuning rate and excellent electrical characteristics for each hopping point. The frequency-hopping radio frequency receiver front-end system is introduced. Various forms of electricity tunable filter＇s performance are analyzed, and the digitally electricity tunable filter design is determined. The design of a digitally tuned filter＇s circuit is proposed, including simulation model and performance parameters in ADS. The design of hardware circuit is introduced. The digital electricity tunable filter is tested, and the system design requirements are fully reached. The digital electricity tunable filter is pratical.

关 键 词：跳频 数控电调谐滤波器 双调谐 ADS 

分 类 号：TN811.4[电子电信—信息与通信工程]