高速数字系统设计下载pdf:High-Speed Digital SystemDesign—A Handbook ofInterconnect Theory and DesignPracticesStephen H. HallGarrett W. HallJames A. McCallA Wiley-Interscience Publication JOHN WILEY & SONS, INC.New York • Chichester • Weinheim • Brisbane • Singapore • TorontoCopyright © 2000 by John Wiley & Sons, Inc.speeddigital systems at the platform level. The book walks the reader through everyrequired concept, from basic transmission line theory to digital timing analysis, high-speedmeasurement techniques, as well as many other topics. In doing so, a unique balancebetween theory and practical applications is achieved that will allow the reader not only tounderstand the nature of the problem, but also provide practical guidance to the solution.The level of theoretical understanding is such that the reader will be equipped to see beyondthe immediate practical application and solve problems not contained within these pages.Much of the information in this book has not been needed in past digital designs but isabsolutely necessary today. Most of the information covered here is not covered in standardcollege curricula, at least not in its focus on digital design, which is arguably one of the mostsignificant industries in electrical engineering.The focus of this book is on the design of robust high-volume, high-speed digital productssuch as computer systems, with particular attention paid to computer busses. However, thetheory presented is applicable to any high-speed digital system. All of the techniquescovered in this book have been applied in industry to actual digital products that have beensuccessfully produced and sold in high volume.Practicing engineers and graduate and undergraduate students who have completed basicelectromagnetic or microwave design classes are equipped to fully comprehend the theorypresented in this book. At a practical level, however, basic circuit theory is all thebackground required to apply the formulas in this book.
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问题描述：编写一个JAVA程序，用面向对象设计的方法编写一个电话卡的类。包括卡号、密码、余额、拨入号码等 b）基本要求：类的属性有卡号、密码、余额、拨入号码，电话卡的常用操作可以用连接电话方法、返回余额方法与通电话方法来实现。 c）方法功能描述： 构造方法（PhoneCard(卡号,密码,余额,拨入号码)）可以完成属性值初始化赋值，并判断余额，余额为负就退出系统，请在构造方法中将初始时的连接置为false即表示没有连接。 卡号long cardNumber 密码private int password,余额double balance,拨入号码string connectNumber boolean connected(一个布尔类型变量表示电话卡连接状态，初始时默认没有连接，值为false，当调用连接电话方法()后，在判断卡号和密码相匹配后值置为true) 连接电话方法(performConnection(卡号,密码))可以完成检查卡号和密码，它是只有在卡号和密码相匹配时才连接 返回余额方法(getbalance())得到电话卡的余额 通电话方法(performDial())是模拟通过过程中，余额会不断减少，每调用此方法，电话卡的余额减少0。5元,打一次电话调用一次
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Three-Level Buck CFLY balance and Control Methodology.
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說明：1，测试交流电源（Test AC Power Supply）：A.中国（China）：AC 220V+/-2%50Hz+/-2%B.美国（United States of America）：AC 120V+/-2%60Hz+/-2%。C.英国（Britain）：AC 240V+/-2%50Hz+/-2%D.欧洲（Europe）：AC 230V+/-2%50Hz+/-2%E.日本（Japan）：AC 100V+/-2%60Hz+/-2%F.墨西哥（Mexico）：AC 127V+/-2%60Hz+/-2%2，测试温度条件（Test Temperature Conditions）：25℃+/-2℃。3，测试以右声道为准（Standard Test Use Right Channell）4，信号由AUX插座输入（Signal From AUX Jack Input）。5，测试以音量最大，音调和平衡在中央位置（电子音调在正常状态）。（Test Volume Setup Max，Equalizer And balance Setup Center）。6，标准輸出（Standard Output）：A.输入1 KHz频率信号（Input 1 KHz Frequency Signal）B.左右声道输入信号测试右声道（L&R Input Signal Test Use R Channel）C.额定输出功率満（Rating Output Power Full）10 W，标准输出定为1w.（Rating Output Power Full 10 w，Standard Output Setup 1 W）D.额定输出功率1W到10w，标准输出定为500 mW（Rating Output Power 1 W To 10 W，Standard Output Setup 500 mW）E.额定输出功率小于1w，标准输出定为50 mW（Rating Output Power Not Full 1 W，Standard Output Setup 50 mW）F.标准輸出电压以V-VPR为准（Standard Output Voltage Use V-V/PR）。G.V-V/PR中P为额定输出功率，R为喇叭标称阻抗。
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ADS电子设计自动化（EDA软件全称为 Advanced Design System，是美国安捷伦（Agilent）公司所生产拥有的电子设计自动化软件；ADS功能十分强大，包含时域电路仿真 (SPICE-like Simulation)、频域电路仿真 (Harmonic balance、Linear Analysis)、三维电磁仿真 、通信系统仿真(Communication System Simulation)和数字信号处理仿真设计（DSP）；支持射频和系统设计工程师开发所有类型的 RF设计，从离散的射频/微波模块到用于通信和航天/国防的集成MMIC，是当今国内各大学和研究所使用最多的微波/射频电路和通信系统仿真软件软件。
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