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教程资料 用fpga实现的DA转换器
用fpga实现的DA转换器，有说明和源码，VDHL文件。\\r\\nA PLD Based Delta-Sigma DAC\\r\\nDelta-Sigma modulation is the simple, yet powerful,\\r\\ntechnique responsible for the extraordinary\\r\\nperformance and low cost of today s audio CD\\r\\nplayers. The simplest Delta-Sigm
模拟电子 音频数模转换器DAC抖动的灵敏度分析
Abstract: This application note describes how sampling clock jitter (time interval error or "TIE jitter") affectsthe performance of delta-sigma digital-to-analog converters (DACs). New insights explain the importanceof separately specifying low-frequency (< 2x passband frequency) and high-frequenc ...
模拟电子 了解模数转换器的噪声、ENOB
Abstract: Specifications such as noise, effective number of bits (ENOB), effective resolution, and noise-free resolution inlarge part define how accurate an ADC really is. Consequently, understanding the performance metrics related to noise isone of the most difficult aspects of transitioning from ...
模拟电子 简化精密测量的高输入阻抗ADC
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High input impedance and a wide input range are twohighly desirable features in a precision analog-to-digitalconverter, and the LTC&reg;2449 delta-sigma ADC has both.With just a few external components, the LTC2449 formsan exceptional measurement system with very high inputimpedance and a ...
模拟电子 Delta Sigma的ADC桥测量技术
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Sensors for pressure, load, temperature, acceleration andmany other physical quantities often take the form of aWheatstone bridge. These sensors can be extremely linearand stable over time and temperature. However, mostthings in nature are only linear if you don&rsquo;t bend them toomuch. ...
传感与控制 如何选择补偿的硅压力传感器
Abstract: This reference design provides design ideas for a cost-effective, low-power liquid-level measurement dataacquisition system (DAS) using a compensated silicon pressure sensor and a high-precision delta-sigma ADC. Thisdocument discusses how to select the compensated silicon pressure sensor ...
工控技术 赛灵思电机控制开发套件简介（英文版）
The power of programmability gives industrial automation designers a highly efficient， cost-effective alternative to traditional motor control units （MCUs）。 The parallel-processing power， fast computational speeds， and connectivity versatility of Xilinx&reg; FPGAs can accelerate the impl ...
工控技术 西门子建筑电器-电气安装技术部发行的各类产品样本
西门子建筑电器-电气安装技术部发行的各类产品样本：小型断路器、剩余电流保护断路器和模数化产品(中/ 英文)Miniature Circuit-Breakers, Residual Current Operated Circuit-Breakers and Modular Devices (Chinese/English)低压熔断器系统(中/ 英文)Fuse System (Chinese/English)雷击，过电压－不再是问题(中文)Thunders ...
测试测量 高精度温度测量铂电阻温度探测器(PRTDs)和ADC
Abstract: Many modern industrial, medical, and commercial applications require temperature measurements in the extended temperature rangewith accuracies of &plusmn;0.3&deg;C or better, performed with reasonable cost and often with low power consumption. This article explains how platinumresistance ...
测试测量 ADC简化测量高阻抗传感器
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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&reg;2484family of delta sig ...