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电源技术 为您的FPGA选择合适的电源
Abstract: There are many things to consider when designing a power supply for a field-programmablegate array (FPGA). These include (but are not limited to) the high number of voltage rails, and thediffering requirements for both sequencing/tracking and the voltage ripple limits. This application n ...
电源技术 信号源,调节器和电源电路分析
 
Occasionally, we are tasked with designing circuitry for aspecific purpose. The request may have customer originsor it may be an in-house requirement. Alternately, a circuitmay be developed because its possibility is simply tooattractive to ignore1. Over time, these circuits accumulate,en ...
电源技术 Designing Linear Circuits for 5V Operation
In predominantly digital systems it is often necessaryto include linear circuit functions. Traditionally, separatepower supplies have been used to run the linear components(see Box, “Linear Power Supplies—Past, Present,and Future”).
单片机编程 基于HITAG读写芯片HTRC110的读写设备设计
Designing read/write device (RWD) units for industrial RF-Identification
applications is strongly facilitated by the NXP Semiconductors HITAG
Reader Chip HTRC110. All needed function blocks, like the antenna
driver, modulator demodulator and antenna diagnosis unit, are integrated
in the HTRC11 ...
单片机编程 Atmel AT89C系列单片机电路板设计指南
Designing Boards with Atmel AT89C51,AT89C52, AT89C1051, and AT89C2051 for Writing Flash at In-Circuit Test.
Recent improvements in chips and testers have made it possible for the tester to begin taking over the role tradi-tionally assigned to the PROM program-mer. Instead of having a PROM pro- g ...
单片机编程 基于PCI9052的PCI局部总线应用
详细介绍了PCI9052接口器件的功能、结构和使用方法，并结合实际给出了基于PCI9052器件开发PCI总线接口卡的应用实例。
Abstract:
 
The main functions,structures and usage of PCI9052inferface chip are introduced in detail in this paper.And an
application example of designing PCI bus interface card b ...
单片机编程 基于ATmega48单片机的可调交流电子负载的设计
介绍一种无极可调交流电子负载设计的新方法，由ATmega48单片机输出PWM波，通过上位机设定不同的占空比控制场效应管的通断时间，即改变流过场效应管的平均电流。根据电流的大小，可以等效为相应的负载，并将采集的电流值显示在上位机上。文中对该系统的软﹑硬件设计思路作了详细的分析，阐述了其设计原理。
 
Abstract ...
单片机编程 基于MSP430的指纹保险柜的实现
在介绍基于MSP430单片机的指纹保险柜工作原理的基础上，从系统软件设计的角度出发，详细介绍了指纹保险柜软件的总体分析过程、程序结构的设计以及代码的编写，给出了按键管理流程和部分源代码。
Abstract:
 On basis of the operating principle of MSP430 microcontroller-based fingerprint safe,the general ana ...
单片机编程 基于P87C591的信号采集节点的设计
介绍了CAN总线和P87C591单片机的特点，给出了基于P87C591单片机的信号采集节点的软、硬件设计，指出了硬件电路设计中应注意的问题，在软件设计中重点介绍了节点初始化、报文发送和报文接收等子程序。
Abstract:
 The features of CAN Bus and the microcontroller P87C591 are introduced, and the design of hardw ...
单片机编程 基于双ATmega128的安检力学试验机设计
针对当前安检力学试验机所能完成的试验种类单一、自动化程度低等问题，提出一种以ATmega128单片机为核心控制器的安检力学试验机的设计。详细阐述了该安检力学试验机各个组成部分的设计原理和方案，并且给出了各部分的软件设计思想和操作流程。经过大量测试试验表明：设计的安检力学试验机可以完成多达十余种的力学安检试验 ...