搜索：Digital - 虫虫下载站

模拟电子  应用笔记-校准激光驱动器POT和DAC

Abstract: A laser module designer can use a fixed resistor, mechanical pot, digital pot, or a digital-to-analogconverter (DAC) to control the laser driver&#39;s modulation and bias currents. The advantages of a programmablemethod (POT or DAC) are that the manufacturing process can be automated and ...

https://www.eeworm.com/dl/571/21185.html

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模拟电子  数控DCDC转换器在便携产品中的应用

Abstract: This tutorial discusses methods for digitally adjusting the output voltage of a DC-DC converter. The digital adjustmentmethods are with a digital-to-analog converter (DAC), a trim pot (digital potentiometer), and PWM output of a microprocessor.Each method is assessed and several DACs and ...

https://www.eeworm.com/dl/571/21187.html

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模拟电子  利用数字电位器调整并校准升压型DC-DC转换器

The purpose of this application note is to show an example of how a digital potentiometer can be used in thefeedback loop of a step-up DC-DC converter to provide calibration and/or adjustment of the output voltage.The example circuit uses a MAX5025 step-up DC-DC converter (capable of generating up ...

https://www.eeworm.com/dl/571/21189.html

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模拟电子  加载,感应DAC应用

Abstract: This article discusses application circuits for Maxim force/sense digital-to-analog converters (DACs). Applications include:selectable fixed-gain DAC, programmable gain DAC, photodiode bias control, amperometric sensor control, digitally programmablecurrent source, Kelvin load sensing, t ...

https://www.eeworm.com/dl/571/21192.html

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模拟电子  哈达玛变换光谱仪压缩系统研究

&nbsp;基于数字微镜器件（Digital Micro-mirror Device，DMD）的哈达玛变换光谱技术是一种新型的光谱成像技术，在国内很少有专门的文献介绍[1-3]。文中先介绍了本实验采用的哈达玛光谱仪样机的原理以及哈达玛成像光谱仪优于传统模板的独特之处，即获得多通道高能量高信噪比的光谱数据，然后描述对采集到的数据做高信噪比， ...

https://www.eeworm.com/dl/571/21208.html

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模拟电子  远程信息处理数字融合--如何应对新兴标准和协议

Digital convergence, in recent history, has been prevalentin the consumer equipment domain and the designengineers in this area have been struggling with a plethoraof emerging standards and protocols. What lessons can welearn from their struggle? The same dilemmas now existin in-vehicle telematics ...

https://www.eeworm.com/dl/571/21255.html

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模拟电子  数字预失真(DPD)算法研发工具和验证方案

在无线通信系统全面进入3G并开始迈向 4G的过程中，使用数字预失真技术（Digital Pre-distortion，以下简称DPD）对发射机的功放进行线性化是一门关键技术。功率放大器是通信系统中影响系统性能和覆盖范围的关键部件，非线性是功放的固有特性。非线性会引起频谱增长(spectral re-growth)，从而造成邻道干扰，使带外杂散达不到 ...

https://www.eeworm.com/dl/571/21265.html

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模拟电子  5 Gsps高速数据采集系统的设计与实现

以某高速实时频谱仪为应用背景，论述了5 Gsps采样率的高速数据采集系统的构成和设计要点，着重分析了采集系统的关键部分高速ADC（analog to digital，模数转换器）的设计、系统采样时钟设计、模数混合信号完整性设计、电磁兼容性设计和基于总线和接口标准（PCI Express）的数据传输和处理软件设计。在实现了系统硬件的基 ...

https://www.eeworm.com/dl/571/21287.html

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模拟电子  高集成四通道工业控制应用的电压输出DAC

&nbsp; Digital-to-analog converters (DACs) are prevalent inindustrial control and automated test applications.General-purpose automated test equipment often requiresmany channels of precisely controlled voltagesthat span several voltage ranges. The LTC2704 is ahighly integrated 16-bit, 4-channel ...

https://www.eeworm.com/dl/571/21321.html

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模拟电子  RF至数字接收器的信号链噪声分析

&nbsp; Designers of signal receiver systems often need to performcascaded chain analysis of system performancefrom the antenna all the way to the ADC. Noise is a criticalparameter in the chain analysis because it limits theoverall sensitivity of the receiver. An application&rsquo;s noiserequirem ...

https://www.eeworm.com/dl/571/21323.html

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