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单片机编程 微处理器dsPIC33F在微机保护装置中的应用
数字信号处理器dsPIC33F集多通道高精度A/D转换、多通讯模式、看门狗、CMOS Flash技术等于一体，其内部可完成所有数据操作，实现总线不出芯片技术。将该处理器应用于微机保护装置，提出基于dsPIC33F微处理器的微机保护装置的设计方案，给出相应的接口电路与软件流程。该设计方案结构简单，性价比及可靠性高，开发周期短，具 ...
单片机编程 Virtex-5, Spartan-DSP FPGAs Ap
Virtex-5, Spartan-DSP FPGAs Application Note
This application note demonstrates how efficient implementations of Digital Up Converters(DUC) and Digital Down Converters (DDC) can be done by leveraging the Xilinx DSP IPportfolio for increased productivity and reduced time to development. Step-by-step ...
嵌入式综合 lpc2292/lpc2294 pdf datasheet
The LPC2292/2294 microcontrollers are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, together with 256 kB of embedded high-speed flash memory. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at the maximum ...
无线通信 移动无线终端导航AFE和数据转换器
Abstract: High-speed and low-speed data converters serve critical functions in modern broadband mobile radios. This application note outlines how todetermine high-speed data converter performance requirements in baseband sampling radio architectures. Also, system partition strategies andadvantages ...
测试测量 ADC简化测量高阻抗传感器
 
Delta-sigma ADCs, with their high accuracy and high noiseimmunity, are ideal for directly measuring many typesof sensors. Nevertheless, input sampling currents canoverwhelm high source impedances or low-bandwidth,micropower signal conditioning circuits. The LTC®2484family of delta sig ...
测试测量 低噪声电压基准的噪声测量
 
Frequently, voltage reference stability and noise defi nemeasurement limits in instrumentation systems. In particular,reference noise often sets stable resolution limits.Reference voltages have decreased with the continuingdrop in system power supply voltages, making referencenoise increa ...
接口技术 基于微处理器的5V系统接口
This application note discusses a variety of approaches for interfacing analog signals to 5V powered systems. Synthesizing a "rail-to-rail" op amp and scaling techniques for A/D converters are covered. A voltage-to-frequency converter, applicable where high resolution is required, is also presente ...
电子书籍 Manufacturers of electronic systems that require power conversion are faced with the need for highe
Manufacturers of electronic systems that require power
conversion are faced with the need for higher-density dc-to-dc
converters that perform more efficiently,
Linux/Unix编程 unicap provides an uniform access to video capture devices. Currently you can access v4l, v4l2, IIDC
unicap provides an uniform access to video capture devices. Currently you can access v4l, v4l2, IIDC 1394 ( DCAM ) cameras and video to firewire converters with a single API. New devices can be added via a plugin system
微处理器开发 A complete set of bit banged, software driven I2C routines I created for any PIC device - and they w
A complete set of bit banged, software driven I2C routines I created for any PIC device - and they work!! These functions are single master only functions, and are ideal for communicating with things like EEPROMs, LCD Drivers, ADC Converters etc