Discrete Signal
共 19 篇文章
Discrete Signal 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 19 篇文章,持续更新中。
视频差分放大器带来低电压应用的多功能性
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The LT®6552 is a specialized dual-differencing 75MHzoperational amplifier ideal for rejecting common modenoise as a video line receiver. The input pairs are designedto opera
XAPP854-数字锁相环(DPLL)参考设计
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Many applications require a clock signal to be synchronous, phase-locked, or derived fromanother signal, such as a data signal or another clock. This type of clock circuit is important in
RF至数字接收器的信号链噪声分析
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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 t
在单端应用中采用差分I/O放大器
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Recent advances in low voltage silicon germaniumand BiCMOS processes have allowed the design andproduction of very high speed amplifi ers. Because theprocesses are low voltage,
相敏检波电路鉴相特性的仿真研究
<P>分析了调幅信号和载波信号之间的相位差与调制信号的极性的对应关系,得出了相敏检波电路输出电压的极性与调制信号的极性有对应关系的结论。为了验证相敏检波电路的这一特性,给出3 个电路方案,分别选用理想元件和实际元件,采用Multisim 对其进行仿真实验,直观形象地演示了相敏检波电路的鉴相特性,是传统的实际操作实验所不可比拟的。<BR>关键词:相敏检波;鉴相特性;Multisim;电路仿真</P>
水声信号功率放大器的设计与实现
设计了水声信号发生系统中的功率放大电路,可将前级电路产生的方波信号转换为正弦信号,同时进行滤波、功率放大,使其满足换能器对输入信号的要求。该电路以单片机AT89C52,集成6阶巴特沃思低通滤波芯片MF6以及大功率运算放大器LM12为核心,通过标准RS232接口与PC进行通信,实现信号增益的程控调节,对干扰信号具有良好的抑制作用。经调试该电路工作稳定正常,输出波形无失真,在输出功率以及放大增益、波纹
模拟信号链笔记
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In a world experiencing challenging transitions in multiple arenas—energy, healthcare, industry,finance, and security, to name a few—Maxim Integrated’s Industrial and Medical
ADC转换器技术用语 (A/D Converter Defi
ANALOG INPUT BANDWIDTH is a measure of the frequency<BR>at which the reconstructed output fundamental drops<BR>3 dB below its low frequency value for a full scale input. The<BR>test is performed with
DN454 单端至差分放大器设计技巧
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A fully differential amplifi er is often used to converta single-ended signal to a differential signal, a designwhich requires three signifi cant considerations: theimpedance of
2012TI电子设计大赛——微弱信号检测装置
微弱信号检测装置<br />
四川理工学院 刘鹏飞、梁天德、曾学明<br />
摘要:<br />
本设计以TI的Launch Pad为核心板,采用锁相放大技术设计并制作了一套微弱信号检测装置,用以检测在强噪声背景下已知频率微弱正弦波信号的幅度值,并在液晶屏上数字显示出所测信号相应的幅度值。实验结果显示其抗干扰能力强,测量精度高。<br />
关键词:强噪声;微弱信号;锁相放大
正确的混合信号设计印刷电路板(PCB)的接地
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Abstract: This tutorial discusses proper printed-circuit board (PCB) grounding for mixed-signal designs. Formost applications a simple method without cuts in the ground plane allows for success
光电转换电路设计
<P>OPTOELECTRONICS CIRCUIT COLLECTION</P>
<P>AVALANCHE PHOTODIODE BIAS SUPPLY 1<BR>Provides an output voltage of 0V to +80V for reverse biasing<BR>an avalanche photodiode to control its gain. This cir
Analog Circuit Design in Porta
<P>•Founded in Jan. 08, 2001 in Shanghai, China.•Fabless IDH focused on Analog & Mixed Signal Chip design & marketing •Over 100 IC introduced.•Over 200 OEM Customer wor
用于信号调理的微电路
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Low power operation of electronic apparatus has becomeincreasingly desirable. Medical, remote data acquisition,power monitoring and other applications are good candidatesfor bat
新型精密运算放大器应用
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<span style="color: rgb(26, 24, 24); font-family: Arial, Helvetica, sans-serif; line-height: 15px; ">Application considerations and circuits for the LT1001 and LT1002 single and dual precision am
基于GT-800的贴片机控制系统
摘要:介绍了基于数字信号处理(Digital Signal Processor,DSP)的运动控制器GT-800在贴片机控制系统中的应用。该系统采用以PC机为上位机、GT-800运动控制器为下位机的硬件结构,上下位机之间的通讯采用基于ISA总线的双端口RAM的模式,系统的软件设计采用基于VisualC++6.0的软件设计模式。<BR>关键词:GT-800运动控制器;贴片机;运动控制;机器视觉
了解模数转换器的噪声、ENOB
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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, underst
真有效值转换器的自动调节
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The LTC®1966 is a true RMS-to-DC converter that uses aDS computational technique to make it dramatically simplerto use, significantly more accurate, lower in powerconsumptio
MAX4968,MAX4968A数据手册
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The MAX4968/MAX4968A are 16-channel, high-linearity,high-voltage, bidirectional SPST analog switches with18I (typ) on-resistance. The devices are ideal for use inapplications requiring high-vol