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為什么我的CMOS邏輯電路燒起來了

Abstract: What can be simpler than designing with CMOS and BiCMOS? These technologies are very easy to use butthey still require careful design. This tutorial discusses the odd case of circuits that seem to work but exhibit somepeculiar behaviors—including burning the designer's fingers!

標簽： CMOS 邏輯電路

上傳時間： 2013-11-03

上傳用戶：dick_sh
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
ISM射頻產(chǎn)品的晶體頻率計算

Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) products use crystal oscillators to generate areference for the phase-locked loop (PLL)-based local oscillator (LO). This tutorial provides a basic description of theISM-RF Crystal Calculator, which can be used to calculate various impacts on crystal frequency accuracy and startupmargin for such an LO.

標簽： ISM 射頻晶體頻率計算

上傳時間： 2013-11-15

上傳用戶：JasonC
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
如何提高模冪運算速度應(yīng)用筆記

Abstract: This application note describes how to improve the speed of modular exponentiation by more than 50% whenusing MAXQ® microcontrollers that have a modular arithmetic accelerator (MAA).

標簽： 如何提高模冪運算應(yīng)用筆記速度

上傳時間： 2013-11-17

上傳用戶：s363994250
消除電源旁路濾波噪聲

Abstract: If sensitive analog systems are run from one supply without the sufficient bypassing to eliminate noise,

標簽： 電源旁路濾波噪聲

上傳時間： 2013-11-23

上傳用戶：qiulin1010
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
校準觸摸屏系統(tǒng)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 screen panel to match the display.

標簽： 校準觸摸屏系統(tǒng)研究

上傳時間： 2013-10-21

上傳用戶：euroford
了解模數(shù)轉(zhuǎn)換器的噪聲、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 a SAR to a delta-sigma ADC. With the current demand for higherresolution, designers must develop a better understanding of ADC noise, ENOB, effective resolution, and signal-to-noiseratio (SNR). This application note helps that understanding.

標簽： ENOB 模數(shù)轉(zhuǎn)換器

上傳時間： 2013-10-16

上傳用戶：x18010875091
高精度I2C實時時鐘的設(shè)計

Abstract: This application note presents an overview of the operational characteristics of accurate I²C real-time clocks (RTCs),including the DS3231, DS3231M, and DS3232. It focuses on general application guidelines that facilitate use of device resources forpower management, I²C communication circuit configurations, and I²C characteristics relative to device power-up sequences andinitializations. Additional discussions on decoupling are provided to support developing strategies for mitigating power-supply pushingof device frequency.

標簽： I2C 高精度實時時鐘

上傳時間： 2013-11-23

上傳用戶：WMC_geophy