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achieve

  • Abtract - We propose a new family of fi lter banks, named NDFB, that can achieve the direction

    Abtract - We propose a new family of fi lter banks, named NDFB, that can achieve the directional decomposition of arbitrary N-dimensional (N ≥ 2) signals with a simple and effi cient tree-structured construction.

    標簽: direction Abtract propose achieve

    上傳時間: 2014-01-15

    上傳用戶:鳳臨西北

  • 遺傳算法經典例子matlab來實現-Matlab genetic algorithm to achieve a classic example of

    遺傳算法經典例子matlab來實現-Matlab genetic algorithm to achieve a classic example of

    標簽: algorithm genetic achieve classic

    上傳時間: 2013-12-26

    上傳用戶:ztj182002

  • face-opencv-test

    對圖片中的人臉進行檢測和標注,是用MATLAB來實現的-pictures of the human face detection and tagging is used to achieve the

    標簽: face-opencv-test

    上傳時間: 2013-04-24

    上傳用戶:hxy200501

  • C#音樂播放器源代碼

    用c#編寫的 音樂播放器播放源碼 能實現基本本地音樂的播放功能-Written with c# music player, the local source to achieve basic music playback

    標簽: 音樂播放器 源代碼

    上傳時間: 2013-07-22

    上傳用戶:6546544

  • 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

  • 二極管導通開關穩壓器引發的故障時間

      Most circuit designers are familiar with diode dynamiccharacteristics such as charge storage, voltage dependentcapacitance and reverse recovery time. Less commonlyacknowledged and manufacturer specifi ed is diode forwardturn-on time. This parameter describes the timerequired for a diode to turn on and clamp at its forwardvoltage drop. Historically, this extremely short time, unitsof nanoseconds, has been so small that user and vendoralike have essentially ignored it. It is rarely discussed andalmost never specifi ed. Recently, switching regulator clockrate and transition time have become faster, making diodeturn-on time a critical issue. Increased clock rates aremandated to achieve smaller magnetics size; decreasedtransition times somewhat aid overall effi ciency but areprincipally needed to minimize IC heat rise. At clock speedsbeyond about 1MHz, transition time losses are the primarysource of die heating.

    標簽: 二極管 導通 開關穩壓器

    上傳時間: 2013-10-10

    上傳用戶:誰偷了我的麥兜

  • Analog Circuit Design in Porta

    •Founded in Jan. 08, 2001 in Shanghai, China.•Fabless IDH focused on Analog & Mixed Signal Chip design & marketing •Over 100 IC introduced.•Over 200 OEM Customer worldwide•ISO-9000 Certified•Distribution Channel in Taiwan, China & Japan To achieve 100% customer satisfactionby producing the technically advanced product with the best quality, on-time delivery and service. Leverages on proprietary process and world-class engineering team to develop innovative & high quality analog solutions that add value to electronics equipment.

    標簽: Circuit Analog Design Porta

    上傳時間: 2013-10-24

    上傳用戶:songnanhua

  • 光電轉換電路設計

    OPTOELECTRONICS CIRCUIT COLLECTION AVALANCHE PHOTODIODE BIAS SUPPLY 1Provides an output voltage of 0V to +80V for reverse biasingan avalanche photodiode to control its gain. This circuit canalso be reconfigured to supply a 0V to –80V output.LINEAR TEC DRIVER–1This is a bridge-tied load (BTL) linear amplifier for drivinga thermoelectric cooler (TEC). It operates on a single +5Vsupply and can drive ±2A into a common TEC.LINEAR TEC DRIVER–2This is very similar to DRIVER–1 but its power output stagewas modified to operate from a single +3.3V supply in orderto increase its efficiency. Driving this amplifier from astandard +2.5V referenced signal causes the output transistorsto have unequal power dissipation.LINEAR TEC DRIVER–3This BTL TEC driver power output stage achieves very highefficiency by swinging very close to its supply rails, ±2.5V.This driver can also drive ±2A into a common TEC. Operationis shown with the power output stage operating on±1.5V supplies. Under these conditions, this linear amplifiercan achieve very high efficiency. Application ReportThe following collection of analog circuits may be useful in electro-optics applications such as optical networkingsystems. This page summarizes their salient characteristics.

    標簽: 光電轉換 電路設計

    上傳時間: 2013-10-27

    上傳用戶:落花無痕

  • 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

  • 高電壓,低噪音,DCDC轉換器

      Photomultipliers (PMT), avalanche photodiodes (APD),ultrasonic transducers, capacitance microphones, radiationdetectors and similar devices require high voltage,low current bias. Additionally, the high voltage must bepristinely free of noise; well under a millivolt is a commonrequirement with a few hundred microvolts sometimesnecessary. Normally, switching regulator confi gurationscannot achieve this performance level without employingspecial techniques. One aid to achieving low noise is thatload currents rarely exceed 5mA. This freedom permitsoutput fi ltering methods that are usually impractical

    標簽: DCDC 高電壓 低噪音 轉換器

    上傳時間: 2013-10-28

    上傳用戶:lhw888

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