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测试测量  智能照明控制器测量环境光线

Abstract: This application note explains how to design an intelligent lighting controller that senses and measures the ambient lightlevel with an ambient light sensor (ALS). Equipped with a real-time clock (RTC), the controller also knows when to turn lighting on oroff at specified times. The syst ...

https://www.eeworm.com/dl/544/41783.html

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测试测量  能量收集系统的设计挑战

Modern electronic systems solve so many difficult problems that they often seem like magic. Nonetheless, these systems all have thesame basic limitation: they need a source of electrical power! Most of the time this is a straightforward challenge for the electronicdesigner, because there are many ...

https://www.eeworm.com/dl/544/41801.html

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测试测量  确定任务参数的温度记录仪

Logger iButton devices have gained a lot of popularity with researchers. Although free evaluation software is easy to use and welldocumented, the choices and inputs that need to be made can sometimes be challenging. This application note explains technicalterms that are common with temperature log ...

https://www.eeworm.com/dl/544/41804.html

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测试测量  XAPP713 -Virtex-4 RocketIO误码率测试器

&nbsp; The data plane of the reference design consists of a configurable multi-channel XBERT modulethat generates and checks high-speed serial data transmitted and received by the MGTs. Eachchannel in the XBERT module consists of two MGTs (MGTA and MGTB), which physicallyoccupy one MGT tile in t ...

https://www.eeworm.com/dl/544/41859.html

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测试测量  LT5514三阶互调的精确测量

&nbsp; Accurate measurement of the third order intercept pointfor low distortion IC products such as the LT5514 requirescertain precautions to be observed in the test setup andtesting procedure. The LT5514 linearity performance ishigh enough to push the test equipment and test set-up totheir lim ...

https://www.eeworm.com/dl/544/41890.html

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测试测量  电池组电压测量的研究

&nbsp; Automobiles, aircraft, marine vehicles, uninterruptiblepower supplies and telecom hardware represent areasutilizing series connected battery stacks. These stacksof individual cells may contain many units, reaching potentialsof hundreds of volts. In such systems it is oftendesirable to acc ...

https://www.eeworm.com/dl/544/41899.html

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测试测量  基于MASON公式的多功能二阶通用滤波器设计

基于通用集成运算放大器，利用MASON公式设计了一个多功能二阶通用滤波器，能同时或分别实现低通、高通和带通滤波，也能设计成一个正交振荡器。电路的极点频率和品质因数能够独立、精确地调节。电路使用4个集成运放、2个电容和11个电阻，所有集成运放的反相端虚地。利用计算机仿真电路的通用滤波功能、极点频率和品质因数的 ...

https://www.eeworm.com/dl/544/41908.html

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测试测量  基于Multisim 10的矩形波信号发生器仿真与实现

在Multisim 10软件环境下，设计一种由运算放大器构成的精确可控矩形波信号发生器，结合系统电路原理图重点阐述了各参数指标的实现与测试方法。通过改变RC电路的电容充、放电路径和时间常数实现了占空比和频率的调节，通过多路开关投入不同数值的电容实现了频段的调节，通过电压取样和同相放大电路实现了输出电压幅值的调节 ...

https://www.eeworm.com/dl/544/41912.html

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测试测量  BGP测试工具集的设计与实现

协议是互联网络的灵魂，而协议测试是确保网络交互畅通无阻的守护神。尤其是当人们进入一个新的纪元，网络通信成为信息流通的首选手段，与协议不符合的产品必将被淘汰，因而协议测试也越来越受到人们的重视。Protocols are the soul of the Internet, and Protocol Testing isa guarding deamon for the network transaction ...

https://www.eeworm.com/dl/544/41974.html

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接口技术  谈集成电路的通用接口

Abstract: How can an interface change a happy face to a sad face? Engineers have happy faces when an interface works properly.Sad faces indicate failure somewhere. Because interfaces between microprocessors and ICs are simple&mdash;even easy&mdash;they are oftenignored until interface failure caus ...

https://www.eeworm.com/dl/511/42396.html

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