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First-Generation

智能儀表人機界面軟件自動生成的方法

智能儀表人機界面軟件自動生成的方法 The Method of Automatic Generation for HMI Software in Intelligent Inst

標簽： 智能儀表人機界面軟件自動生成

上傳時間： 2013-07-04

上傳用戶：woshini123456
如何用ST7 PWM ST7 BRM產生模擬信號輸出(50Hz正弦波)

The purpose of this note is to present how to use the ST7 PWM/BRM for the generation of a50Hz si

標簽： ST7 PWM BRM 50

上傳時間： 2013-06-01

上傳用戶：huyanju
ICL7135 A D轉換器的雙斜率原理及應用實例

Integrating A/D converters have two characteristics incommon. First, as the name implies, their

標簽： 7135 ICL D轉換斜率

上傳時間： 2013-04-24

上傳用戶：matlab
NOKIA的《WCDMA技術與系統設計》第三版

·原書名： WCDMA FOR UMTS-Radio Access for Third Generation Mobile Communication 作者：（芬）哈里.霍爾馬安提.托斯卡拉 [同作者作品] 譯者：周勝[同譯者作品] 等叢書名：其他出版社：機械工業出版社* ISBN：7111096681 上架時間：2002-1-19 出版日期：2002 年1月頁碼：266 版次：1-1

標簽： NOKIA WCDMA 系統設計

上傳時間： 2013-08-06

上傳用戶：y307115118
SystemVerilog for Design

·SystemVerilog is a rich set of extensions to the IEEE 1364-2001 Verilog Hardware Description Language (Verilog HDL). These extensions address two major aspects of HDL-based design. First, modeling ver

標簽： nbsp SystemVerilog Design for

上傳時間： 2013-07-14

上傳用戶：ainimao
D類數字輸入放大器的簡化系統設計

Abstract: This application note describes a new generation of digital-input Class D audio amplifiers that achieve high PSRRperformance, comparable to traditional analog Class D amplifiers. More importantly, these digital-input Class D amplifiersprovide additional benefits of reduced power, complexity, noise, and system cost.

標簽： 數字輸入放大器系統設計

上傳時間： 2013-12-20

上傳用戶：JIUSHICHEN
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
針對遠程系統的小型溫度傳感器 (tiny temperatu

The LM20, LM45, LM50, LM60, LM61, and LM62 are analog output temperature sensors. They have various output voltage slopes (6.25mV/°C to 17mV/°C) and power supply voltage ranges (2.4V to 10V).The LM20 is the smallest, lowest power consumption analog output temperature sensor National Semiconductor has released. The LM70 and LM74 are MICROWIRE/SPI compatible digital temperature sensors. The LM70 has a resolution of 0.125°C while the LM74 has a resolution of 0.625°C. The LM74 is the most accurate of the two with an accuracy better than ±1.25°C. The LM75 is National’s first digital output temperature sensor, released several years ago.

標簽： temperatu tiny 遠程系統溫度傳感器

上傳時間： 2014-12-23

上傳用戶：yl8908
ADC轉換器技術用語 (A/D Converter Defi

ANALOG INPUT BANDWIDTH is a measure of the frequencyat which the reconstructed output fundamental drops3 dB below its low frequency value for a full scale input. Thetest is performed with fIN equal to 100 kHz plus integer multiplesof fCLK. The input frequency at which the output is −3dB relative to the low frequency input signal is the full powerbandwidth.APERTURE JITTER is the variation in aperture delay fromsample to sample. Aperture jitter shows up as input noise.APERTURE DELAY See Sampling Delay.BOTTOM OFFSET is the difference between the input voltagethat just causes the output code to transition to the firstcode and the negative reference voltage. Bottom Offset isdefined as EOB = VZT–VRB, where VZT is the first code transitioninput voltage and VRB is the lower reference voltage.Note that this is different from the normal Zero Scale Error.CONVERSION LATENCY See PIPELINE DELAY.CONVERSION TIME is the time required for a completemeasurement by an analog-to-digital converter. Since theConversion Time does not include acquisition time, multiplexerset up time, or other elements of a complete conversioncycle, the conversion time may be less than theThroughput Time.DC COMMON-MODE ERROR is a specification which appliesto ADCs with differential inputs. It is the change in theoutput code that occurs when the analog voltages on the twoinputs are changed by an equal amount. It is usually expressed in LSBs.

標簽： Converter Defi ADC 轉換器

上傳時間： 2013-11-12

上傳用戶：pans0ul
Active Filters

Power conversion by virtue of its basic role produces harmonics due to theslicing of either voltages or currents. To a large extent the pollution in theutility supply and the deterioration of the power quality has been generatedor created by non-linear converters. It is therefore ironic that power convertersshould now be used to clean up the pollution that they helped to create inthe first place.In a utility system, it is desirable to prevent harmonic currents (which resultin EMI and resonance problems) and limit reactive power flows (whichresult in transmission losses).Traditionally, shunt passive filters, comprised of tuned LC elements andcapacitor banks, were used to filter the harmonics and to compensate forreactive current due to non-linear loads. However, in practical applicationsthese methods have many disadvantages.

標簽： Filters Active

上傳時間： 2013-11-05

上傳用戶：AISINI005