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abstract-In

提高在噪聲環境下的磁卡讀寫器(MCR)系統

Abstract: Most magnetic read head data sheets do not fully specify the frequency-dependent components andare often vague when specifying other key parameters. In some cases, the specifications of two very similarheads from two different manufacturers might be quite different in terms of parameters specified and omitted.The limitations in the data sheets make designing an optimum card reading system unnecessarily difficult andtime consuming. This document outlines a strategy to overcome the above shortcomings and offers guidelinesto overcome the noise issues.

標簽： MCR 噪聲環境磁卡讀寫器

上傳時間： 2013-11-13

上傳用戶：dysyase
什么時候校準是重要的

Abstract: Perfection is relative and application specific. The perfect race car is not the car we use to commute to work. We need products for everyday use that are high quality, affordable, and solidly reliable. There will be times when we must use components that are not perfect, and this is when calibration becomes important. Calibration techniques reduce tolerances in imperfect manufacturing equipment while maintaining affordability.

標簽： 校準

上傳時間： 2013-10-09

上傳用戶：哈哈hah
雙絞線和低通濾波器降低EMI_RFI

Abstract: Alexander Graham Bell patented twisted pair wires in 1881. We still use them today because they work so well. In addition we have the advantage ofincredible computer power within our world. Circuit simulators and filter design programs are available for little or no cost. We combine the twisted pair and lowpassfilters to produce spectacular rejection of radio frequency interference (RFI) and electromagnetic interference (EMI). We also illustrate use of a precision resistorarray to produce a customizable differential amplifier. The precision resistors set the gain and common mode rejection ratios, while we choose the frequencyresponse.

標簽： EMI_RFI 雙絞線低通濾波器

上傳時間： 2014-11-26

上傳用戶：Vici
如何選擇合適的Logger按鈕

Abstract: For many first-time users, finding the right logger that meets their needs can be a challenging task. In simple

標簽： Logger 如何選擇按鈕

上傳時間： 2014-01-19

上傳用戶：縹緲
MAX9930在有線電視中的功能應用

Abstract: The MAX9930–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 note shows how the MAX9930 (RF controller) can be used as either theRF controller or detector.

標簽： 9930 MAX 有線電視

上傳時間： 2013-10-11

上傳用戶：Pzj
Programming Baud Rates of the MAX3108 UART

Abstract: The MAX3108 is a complete high-performance universal asynchronous receiver-transmitter (UART) in a tiny 2.1mm ×

標簽： Programming Rates Baud 3108

上傳時間： 2014-12-23

上傳用戶：清風冷雨
信號鏈和PLC是如何影響我們的生活

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 component parts using the parametric tools on the Maxim's website.A similar version of this article was published February 29, 2012 in John Day's Automotive Electronic News.

標簽： PLC 信號鏈

上傳時間： 2013-11-10

上傳用戶：liaocs77
校準ADC內部偏移的光學微控制器DS4830

Abstract: The DS4830 optical microcontroller's analog-to-digital converter (ADC) offset can change with temperature and gainselection. However, the DS4830 allows users to measure the ADC internal offset. The measured ADC offset is added to the ADCoffset register to nullify the offset error. This application note demonstrates the DS4830's ADC internal offset calibration in theapplication program.

標簽： 4830 ADC DS 校準

上傳時間： 2014-12-23

上傳用戶：萍水相逢
校準復用器簡化系統校準設計

Abstract: IC switches and multiplexers are proliferating, thanks to near-continual progress in lowering the supply voltage,incorporating fault-protected inputs, clamping the output voltage, and reducing the switch resistances. The latest of these advancesis the inclusion of precision resistors to allow two-point calibration of gain and offset in precision data-acquisition systems.

標簽： 校準復用器校準

上傳時間： 2013-11-12

上傳用戶：acwme
精密DAC和看門狗提高模擬輸出安全

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 failure, or undervoltage condition occurs. A simple application is shown on how to implement thisfunction.

標簽： DAC 精密看門狗模擬

上傳時間： 2013-10-17

上傳用戶：sjb555

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