【摘要】 无线局域网技术由于具有可移动接入、方便灵活等优势,近年来倍受重视,应用前景广阔。提出了基于IEEE802.11b协议的无线局域网收发机的系统总体设计方案,以此为基础,重点设计了系统的射频模块,包括低噪声放大器(LNA)、混频器(Mixer)。采用TSMC0.25CMOS工艺模型,利用AgilentADS2002软件进行了电路的CAD仿真,并绘制了版图。仿真实验结果显示,课题所设计的射频模块性能符合IEEE80211.b无线收发机的指标,对进一步完成整个系统设计具有参考价值。更多还原

【Abstract】 Recently, great attention has been paid to Wireless LAN technology for its mobile access ability, convenience and flexibility for use, and versatile applied fields. This paper presents a whole system design scheme for the IEEE802.11b Wireless LAN transceiver. On the basis of above, as an emphasis, gives the design of the RF module of the system, which includes the Low-Noise Amplifier (LNA), Downconversion Mixer. With TSMC 0.25 CMOS model, we realized simulation and optimization in ADS software, then layout the design. The simulation results show that the performances of the RF module meet the requirement of the IEEE802.11b Wireless LAN transceiver specification.更多还原