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书籍 Introduction+to+3G+Mobile+Communications
The third generation (3G) mobile communication system is the next big thing
in the world of mobile telecommunications. The first generation included
analog mobile phones [e.g., Total Access Communications Systems
(TACS), Nordic Mobile Telephone (NMT), and Advanced Mobile Phone
Service (AMPS)], and t ...
书籍 Enhanced+Radio+Access+Technologies
Following chapter introduces the mobile communication, gives a short history of wireless
communication evolution, and highlights some application scenarios predestined for the
use of mobile devices. Cellular and wireless based systems related to different generations
of mobile communication, includi ...
模拟电子 使用LTC运算放大器宏模型
 
This application note is an overview discussion of theLinear Technology SPICE macromodel library. It assumeslittle if any prior knowledge of this software library or itshistory. However, it does assume familiarity with both theanalog simulation program SPICE (or one of its manyderivatives ...
技术资料 带有集成电压调节器的CDMA发信机中频子系统芯片AD6122
AD6122为3V发信机中频子系统芯片,它内含集成电压调节器,片内的I/Q调制器使用差分正交基带输入,可与CDMA基带转换器相接.主要用于CDMA、W-CDMA、AMPS、TACS等系统和QPSK发信
技术资料 带有集成电压调节器的CDMA接收机中频子系统芯片AD6121
AD6121为3V接收机中频子系统,带有集成电压调节器,片内I/Q解调器可提供差分正交基带输出,并可与CDMA基带转换器接口,AD6121可用于CDMA、W-CDMA、AMPS和TACS应用系统中的接
技术资料 Operational Ampifier Stability 运算放大器的稳定性
Wherever possible the overall technique used for this series will be "definition by example" withgeneric formulae included for use in other applications. To make stability analysis easy we will usemore than one tool from our toolbox with data sheet information, tricks, rules-of-thumb, SPICESimulatio ...
技术资料 血氧仪核心硬件电路设计及Multisim仿真
为了实时检测血氧量,能使缺氧特别敏感的脑组织或心脏类疾病患者得到及时治疗,采用近红外双波长透射式光电脉搏血氧测定法,以H桥电路对发射光源进行控制及通用运算放大器搭建滤波电路。运用参数理论计算和计算机仿真结果相对比的方法,通过Mu ltisim软件对所设计电路进行仿真,仿真结果与理论参数计算相吻合,证明了电路参数设计 ...
技术资料 Multisim10简明教程(强烈推荐给初学者)
1、启动操作，启动Multisim10以后，出现以下界面，如图1所示。2、Multisim10打开后的界面如图2所示：主要有菜单栏，工具栏，缩放栏，设计栏，仿真栏，工程栏，元件栏，仪器栏，电路图编辑窗口等部分组成。3、选择文件/新建/原理图，即弹出图3所示的主设计窗口。（1）.选中“模拟虚拟元件（ANALOG_VIRTUAC）其“元件”栏中仅 ...