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无线通信 RF circuit design theory and application(射频电路设计)
RF circuit design theory and application(射频电路设计)
无线通信 数字卫星设备控制兼容的天线供电系统设计
Abstract: This application note discusses a design for a phantom antenna power-supply system compatible with theDigital Satellite Equipment Control (DiSEqC) communication standard, using the MAX16948 automotive dual, highvoltageLDO/switch. The presented application circuit provides a remote antenn ...
无线通信 无线电干扰 Radio Susceptibility
 
Abstract: Engineers often wish that radio susceptibility (RS) or radio immunity could be cured with an antibiotic, a vaccine, or someform of cure-all. Unfortunately, solving the RS problem is not that easy. Indeed, the laws of physics apply. In this article we discusssources of RS. We als ...
无线通信 基于塑料光纤的高压隔离通信接口设计
 通过比较各种隔离数字通信的特点和应用范围,指出塑料光纤在隔离数字通信中的优势。使用已经标准化的TOSLINK接口,有利于节省硬件开发成本和简化设计难度。给出了塑料光纤的硬件驱动电路,说明设计过程中的注意事项,对光收发模块的电压特性和频率特性进行全面试验,并给出SPI口使用塑料光纤隔离通信的典型应用电路图 ...
无线通信 差分電路中單端及混合模式S-參數的使用
Single-Ended and Differential S-Parameters
Differential circuits have been important incommunication systems for many years. In the past,differential communication circuits operated at lowfrequencies, where they could be designed andanalyzed using lumped-element models andtechniques. With the freque ...
可编程逻辑 提升PCB设计能力的一本好书The Circuit Designers Companion
The Circuit Designer’s Companion Second edition Tim Williams
可编程逻辑 XAPP708 -133MHz PCI-X到128MB DDR小型DIMM存储器桥
 
The Virtex-4 features, such as the programmable IDELAY and built-in FIFO support, simplifythe bridging of a high-speed, PCI-X core to large amounts of DDR-SDRAM memory. Onechallenge is meeting the PCI-X target initial latency specification. PCI-X Protocol Addendum tothe PCI Local Bus Spec ...
可编程逻辑 多层印制板设计基本要领
【摘要】本文结合作者多年的印制板设计经验,着重印制板的电气性能,从印制板稳定性、可靠性方面,来讨论多层印制板设计的基本要求。【关键词】印制电路板;表面贴装器件;高密度互连;通孔【Key words】Printed Circuit Board;Surface Mounting Device;High Density Interface;Via一.概述印制板(PCB-Printed Circuit ...
可编程逻辑 pci e PCB设计规范
This document provides practical, common guidelines for incorporating PCI Express interconnect
layouts onto Printed Circuit Boards (PCB) ranging from 4-layer desktop baseboard designs to 10-
layer or more server baseboard designs. Guidelines and constraints in this document are intended
for use on b ...
测试测量 微电脑型单相交流集合式电表(单相二线系统)
微电脑型单相交流集合式电表(单相二线系统) 特点: 精确度0.25%满刻度±1位数 可同时量测与显示交流电压,電流,頻率,瓦特,(功率因數/視在功率) 交流電壓,電流,瓦特皆為真正有效值(TRMS) 交流電流,瓦特之小數點可任意設定 瓦特單位W或KW可任意設定 CT比可任意設定(1至999) 輸入與輸出絕緣耐压 2仟伏特/1分鐘( 突波測 ...