5．8GHz频率合成器的设计  

Design of Frequency Synthesizer in the 5.8GHz Band

作　　者：罗阳[1] 郑正奇[1] 

机构地区：[1]华东师范大学信息科学与技术学院

出　　处：《电子技术（上海）》2008年第9期10-12,共3页Electronic Technology

摘　　要：介绍了5.8GHz频段及其应用领域。使用高性能的锁相频率合成芯片PLL801,微处理器STA2051,线性放大器STA-5063设计了一个5.8GHz频段的频率合成系统。分别介绍了PLL801和STA-5063的主要技术指标;阐述了该系统总体及各个部分的设计方案,并且针对射频信号的分布特性,对射频部分印制线做了阻抗匹配分析和设计。对实际设计出来的电路进行无线测试,结果显示该频率合成系统能够按照设计产生5.8GHz的信号。The definition and application of the 5.8GHz band is induced.By employing the high quality chip PLL801,the microprocessor STA2051 and the linear amplifier STA-5063,a system of frequency synthesizer in the 5.SGHz band is designed.This paper informs some key specifications of those chips.It explains the system scheme and illustrates each part detailedly.Considering of the distributed character in the RF circuit,it calculates and concludes the matching transmission line as well.The results of the test on the finished circuit show that the system can synthesize frequency signal in 5.8GHz as expected.

关 键 词：phase-locked LOOP FREQUENCY SYNTHESIZER linear amplifying IMPEDANCE MATCHING 

分 类 号：TN74[电子电信—电路与系统]