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模拟电子  校准触摸屏系统研究

Abstract: Mechanical misalignment and scaling factors lead to a mismatch between the values coming from a touchscreen panel (as translated by a touch screen controller) and the display (typically an LCD) on which the touch screenpanel is mounted. This tutorial discusses how to calibrate the touch ...

https://www.eeworm.com/dl/571/21050.html

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模拟电子  基准电压的温度漂移研究应用笔记

Abstract: A perfect voltage reference produces a stable voltage independent of any external factors. Real-world voltagereferences, of course, are subject to errors caused by many external factors. One causeof these major errors istemperature. Without care, it is easy to operate a voltage reference ...

https://www.eeworm.com/dl/571/21052.html

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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 ...

https://www.eeworm.com/dl/571/21053.html

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模拟电子  MAX9930在有线电视中的功能应用

Abstract: The MAX9930&ndash;MAX9933 family of RF controllers and detector can be used in a wide variety of applications. Anideal application is cable television (CATV) over fiber, where either a RF controller or a RF detector controls the gain of atransimpedance amplifier (TIA). This application n ...

https://www.eeworm.com/dl/571/21055.html

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模拟电子  信号链和PLC是如何影响我们的生活

Abstract: It is incredible how many programmable logic controls (PLCs) around us make our modern life possible and pleasant.Machines in our homes heat and cool our air and water, as well as preserve and cook our food. This tutorial explains the importanceof PLCs, and describes how to choose compon ...

https://www.eeworm.com/dl/571/21134.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  精密DAC和看门狗提高模拟输出安全

Abstract: Using a DAC and a microprocessor supervisor, the system safety can be improved in industrial controllers, programmablelogiccontrollers (PLC), and data-acquisition systems. The analog output is set to zero-scale (or pin-programmable midscale) when amicroprocessor failure, optocoupler fail ...

https://www.eeworm.com/dl/571/21258.html

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模拟电子  Stabilize Your Transimpedance Amplifier

&nbsp; Abstract: Transimpedance amplifiers (TIAs) are widely used to translate the current output of sensors like photodiode-to-voltagesignals, since several circuits and instruments can only accept voltage input. An operational amplifier with a feedback resistor fromoutput to the inverting inpu ...

https://www.eeworm.com/dl/571/21297.html

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模拟电子  在单端应用中采用差分I/O放大器

&nbsp; 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, most of the amplifi er designshave incorporated differential inputs and outputs to regainand maximize total outp ...

https://www.eeworm.com/dl/571/21329.html

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模拟电子  LTC1062的低通滤波器应用

Highlights the LTC1062 as a lowpass filter in a phase lock loop. Describes how the loop&#39;s bandwidth can be increased and the VCO output jitter reduced when the LTC1062 is the loop filter. Compares it with a passive RC loop filter. Also discussed is the use of LTC1062 as simple bandpass and ban ...

https://www.eeworm.com/dl/571/21357.html

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