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共 106 篇文章
thus 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 106 篇文章，持续更新中。
The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E, and MAX1487E are low-power transceivers for RS-485
The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E,
and MAX1487E are low-power transceivers for RS-485 and
RS-422 communications in harsh environments. Each driver
output and receiver input is protecte
Jvm 规范说明。The Java Virtual Machine was designed to support the Java programming language. Some concep
Jvm 规范说明。The Java Virtual Machine was designed to support the Java programming language. Some concepts and vocabulary from the Java language are thus necessary to understand the virtual machine. This
It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electrom
It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electromagnetic
illumination (Pendry et al., Science 312, p. 1780). The cylindrical cloaks experimentally
The subject which is to us propos¨¦ is as follows: calculation of the degr¨¦ d¡ &ma
The subject which is to us propos¨¦ is as follows: calculation of the degr¨¦ d¡ ¯ inconsistance d¡ ¯ un logical program possibilist in C++. We thus work on a logical prog
This mambot adds to the external links in a content the text “ target="_blank"” . Thus, al
This mambot adds to the external links in a content the text “ target="_blank"” . Thus, all the links pointing to external sites will be opened in a new window.
μC/OS-II Goals Probably the most important goal of μC/OS-II was to make it backward compatible with
μC/OS-II Goals
Probably the most important goal of μC/OS-II was to make it backward compatible with μC/OS (at least from an
application’s standpoint). A μC/OS port might need to be modified to work
PCA9516 5channel I2C hub
The PCA9516 is a BiCMOS integrated circuit intended for<BR>application in I2C and SMBus systems.<BR>While retaining all the operating modes and features of the I2C<BR>system, it permits extension of t
PCA9519 4channel level transla
<P>The PCA9519 is a 4-channel level translating I2C-bus/SMBus repeater that enables the<BR>processor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O.<BR>While retaining a
基于PIC18F1320微控制器的信号采集系统
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便携式信号采集在机器健康诊断系统中有较高的应用价值。机器健康诊断的信号特点是包括低频信号。本文研究是为了实现简易而且低成本的低频便携式信号采集。以Microchip公司单片机PIC18F1320为核心设计信号采集电路，实现了信号的采集和保存。系统采用串行电可擦除芯片24LC32A保存数据，经过有线通信，信号数据由串行口通过MAX232芯片输送到微型计算机接收和保存，最后绘制出信号波形
XAPP719 -利用USR_ACCESS寄存器实现PowerPC高速缓存配置
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The Virtex™-4 user access register (USR_ACCESS_VIRTEX4) is a 32-bit register thatprovides direct access to bitstream data by the FPGA fabric. It is useful for loadingPowerPC™ 405 (P
简单的电池电路扩展以太网供电(PoE)峰值电流
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Power over Ethernet (PoE) is a new development thatallows for the delivery of power to Ethernet-based devicesvia standard Ethernet CAT5 cable, precluding the need forwall adapte
基于DSP与FPGA的多视频通道的切换控制
为了扩大监控范围，提高资源利用率，降低系统成本，提出了一种多通道视频切换的解决方案。首先从视频信号分离出行场信号，然后根据行场信号由DSP和FPGA产生控制信号，控制多路视频通道之间的切换，从而实现让一个视频处理器同时监控不同场景。实验结果表明，该方案可以在视频监控告警系统中稳定、可靠地实现视频通道的切换。
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<DT>Abstract:
<DD>&nb
基于单片机系统的(24,16)循环码编码、译码方案
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在理论分析循环码编码和译码基本原理的基础上，提出了基于单片机系统的(24，16)循环码软件实现编码、译码的方案。仿真结果表明(24，16)循环码能有效地克服来自通讯信道的干扰，保证数据通信的可靠及系统的稳定，使误码率大幅度降低。本论文对(24，16)循环码的研究结果表明，可以有效地降低错误概率和提高系统的吞吐量，实现纠错仅需要在接收端增加有限的存储空间和计算复杂度，具有一定的实用价值
两相同步降压型控制器具有轻负载逐级递减模式
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Today’s computer, datacom, and telecom systems demandpower supplies that are effi cient, respond quicklyto load transients and accurately regulate the voltageat the load.
MAX16948双遥控天线LDO开关
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Abstract: This application note helps system designers choose the correct external components for use with the MAX16948 dualremote antenna LDO/switch, thus ensuring that automob
Virtex-5, Spartan-DSP FPGAs Ap
<P><STRONG>Virtex-5, Spartan-DSP FPGAs Application Note</STRONG></P>
<P>This application note demonstrates how efficient implementations of Digital Up Converters<BR>(DUC) and Digital Down Converters (
Design Safe Verilog State Machine（Synplicity）
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</p>
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One of the strengths of Synplify is the Finite State Machine compiler. This is a powerfulfeature that not only has the ability to automatically detect state machines in the sour
Input Signal Rise and Fall Tim
All inputs of the C16x family have Schmitt-Trigger input characteristics. These Schmitt-<BR>Triggers are intended to always provide proper internal low and high levels, even if an<BR>undefined voltage
PCA9518 Expandable 5channel I2
<P>The PCA9518 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bu
LTC4099 USB电源管理和电池充电
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The LTC®4099 high effi ciency USB power manager andLi-Ion/Polymer battery charger seamlessly managespower distribution from multiple sources in portableapplications. It is d