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模拟电子 高增益跨导型运算放大器设计
运算放大器作为模拟集成电路设计的基础，同时作为DAC校准电路的一部分，本次设计一个高增益全差分跨导型运算放大器。
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 ...
模拟电子 简单的多输出范围16位DAC设计
 
Precision 16-bit analog outputs with softwareconfigurableoutput ranges are often needed in industrialprocess control equipment, analytical and scientificinstruments and automatic test equipment. In the past,designing a universal output module was a daunting taskand the cost and PCB real e ...
模拟电子 RF至数字接收器的信号链噪声分析
 
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’s noiserequirem ...
模拟电子 DA转换接口的射频IQ调制
 
Linear Technology’s High Frequency Product lineupincludes a variety of RF I/Q modulators. The purpose ofthis application note is to illustrate the circuits requiredto interface these modulators with several popular D/Aconverters. Such circuits typically are required to maximizethe v ...
模拟电子 Delta Sigma的ADC桥测量技术
 
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’t bend them toomuch. ...
模拟电子 ADC噪声系数_一个经常被误解的参数
 
噪声系数(NF)是RF系统设计师常用的一个参数，它用于表征RF放大器、混频器等器件的噪声，并且被广泛用作无线电接收机设计的一个工具。许多优秀的通信和接收机设计教材都对噪声系数进行了详细的说明(例如参考文献1)，本文重点讨论该参数在数据转换器中的应用。 ...
模拟电子 ADC转换器技术用语 (A/D Converter Defi
ANALOG INPUT BANDWIDTH is a measure of the frequencyat which the reconstructed output fundamental drops3 dB below its low frequency value for a full scale input. Thetest is performed with fIN equal to 100 kHz plus integer multiplesof fCLK. The input frequency at which the output is −3dB relati ...
模拟电子 一种增益增强型套筒式运算放大器的设计
设计了一种用于高速ADC中的全差分套筒式运算放大器.从ADC的应用指标出发,确定了设计目标,利用开关电容共模反馈、增益增强等技术实现了一个可用于12 bit精度、100 MHz采样频率的高速流水线(Pipelined)ADC中的运算放大器.基于SMIC 0.13 μm,3.3 V工艺,Spectre仿真结果表明,该运放可以达到105.8 dB的增益,单位增益带宽达到983. ...