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  • this pdf introducing the gsm technology , types of modulation ang its network parts

    this pdf introducing the gsm technology , types of modulation ang its network parts

    標簽: introducing modulation technology network

    上傳時間: 2013-12-27

    上傳用戶:fredguo

  • source and benchmark test for the registery parts of a RISC processor

    source and benchmark test for the registery parts of a RISC processor

    標簽: benchmark registery processor source

    上傳時間: 2014-01-18

    上傳用戶:bruce

  • it s a code for calculator the price of a machine which have a lot of parts.

    it s a code for calculator the price of a machine which have a lot of parts.

    標簽: calculator machine price parts

    上傳時間: 2014-01-20

    上傳用戶:13188549192

  • A Solar sun tracker, diagram electronic and parts

    A Solar sun tracker, diagram electronic and parts

    標簽: electronic diagram tracker Solar

    上傳時間: 2013-12-21

    上傳用戶:ccclll

  • MEMS麥克風有助于提高系統設計效率

    A MEMS microphone IC is unique among Analog Devices, Inc., products in that its input is an acoustic pressure wave. For this reason, some specifications included in the data sheets for these parts may not be familiar, or familiar specifications may be applied in unfamiliar ways. This application note explains the specifica-tions and terms found in MEMS microphone data sheets so that the microphone can be appropriately designed into a system.

    標簽: MEMS 麥克風 系統設計 效率

    上傳時間: 2013-10-31

    上傳用戶:masochism

  • 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

  • DAC技術用語 (D/A Converters Defini

    Differential Nonlinearity: Ideally, any two adjacent digitalcodes correspond to output analog voltages that are exactlyone LSB apart. Differential non-linearity is a measure of theworst case deviation from the ideal 1 LSB step. For example,a DAC with a 1.5 LSB output change for a 1 LSB digital codechange exhibits 1⁄2 LSB differential non-linearity. Differentialnon-linearity may be expressed in fractional bits or as a percentageof full scale. A differential non-linearity greater than1 LSB will lead to a non-monotonic transfer function in aDAC.Gain Error (Full Scale Error): The difference between theoutput voltage (or current) with full scale input code and theideal voltage (or current) that should exist with a full scale inputcode.Gain Temperature Coefficient (Full Scale TemperatureCoefficient): Change in gain error divided by change in temperature.Usually expressed in parts per million per degreeCelsius (ppm/°C).Integral Nonlinearity (Linearity Error): Worst case deviationfrom the line between the endpoints (zero and full scale).Can be expressed as a percentage of full scale or in fractionof an LSB.LSB (Lease-Significant Bit): In a binary coded system thisis the bit that carries the smallest value or weight. Its value isthe full scale voltage (or current) divided by 2n, where n is theresolution of the converter.Monotonicity: A monotonic function has a slope whose signdoes not change. A monotonic DAC has an output thatchanges in the same direction (or remains constant) for eachincrease in the input code. the converse is true for decreasing codes.

    標簽: Converters Defini DAC

    上傳時間: 2013-10-30

    上傳用戶:stvnash

  • pspice使用教程

    第一單 PSPICE使用初步第二章 文本文件描述第三章 電路原理圖程序第四章 模擬計算程序PSPICE及圖形后第五章 信號源模型編輯STMED第六章 模型參數提取parts第七章 常見問題處理第八章 PSPICE應用。

    標簽: pspice 使用教程

    上傳時間: 2013-12-23

    上傳用戶:wendy15

  • 高性能DCDC控制器

    We provide complete power solutions with a full lineup of power managementproducts. This brochure provides an overview of our high performance DC/DC switching regulatorcontrollers for applications including datacom, telecom, industrial, automotive, medical, avionicsand control systems. We make power design easier with our industry-leading field applicationengineering support; a broad selection of demonstration boards with schematics, layout filesand parts lists; SwitcherCAD® software for simulation, application notes and comprehensivetechnical documentation.

    標簽: DCDC 性能 控制器

    上傳時間: 2013-10-15

    上傳用戶:lz4v4

  • DN1011 簡單高效率隔離型反激式電源

      While simplicity and high effi ciency (for cool running) areno longer optional features in isolated power supplies, itis traditionally diffi cult to achieve both. Achieving higheffi ciency often requires the use of advanced topologiesand home-brewed secondary synchronous rectifi cationschemes once reserved only for higher power applications.This only adds to the parts count and to the designcomplexity associated with the reference and optocouplercircuits typically used to maintain isolation. Fortunately, abreakthrough IC makes it possible to achieve both high efficiency and simplicity in a synchronous fl yback topology.The LT®3825 simplifi es and improves the performance oflow voltage, high current fl yback supplies by providingprecise synchronous rectifi er timing and eliminating theneed for optocoupler feedback while maintaining excellentregulation and superior loop response.

    標簽: 1011 DN 高效率 隔離型

    上傳時間: 2013-10-16

    上傳用戶:wayne595

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