摘要
本文设计的这款新型发射机,可应用于2G/3G移动通信系统,固定宽带接入系统和无线局域网等众多的无线通信领域。该设计采用的是直接射频技术,应用CPLD产生基带所需的数据,锁相环设计产生900MHz的载频信号,并利用ADI公司的AD8345完成正交射频调制。并给出了相应的软件仿真结果和发射机硬件实验模型的测试结果。
The new transmitter designed by this paper can be used in 2G/3G mobile communication system, Fixed Broadband Access Systems, Wireless LAN and so on. It is direct RF modulation. The baseband information sequence of modulation is produced by CPLD, the PLL supply the 900MHz LO signal, and use the AD8345 of ADI as a quadrature modulator. Finally, the software emulational results and the testing results of hardware experimental board are given.
出处
《电路与系统学报》
CSCD
北大核心
2006年第4期147-152,共6页
Journal of Circuits and Systems
关键词
无线通信
射频调制
锁相环
wireless communication
RF modulation
PLL
