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        3D Interconnect Designer provides a flexible modeling and optimization environment for any advanced interconnect structure, including chiplets, stacked die, packages, and PCBs.

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        Comprehensive design for advanced packages and 3DIC in any workflow
      • Oscilloscopes right arrow Sampling Oscilloscopes right arrow Digital Multimeters right arrow BERTS, Digitizers, and DAQs right arrow Digital Protocol Analyzers right arrow Waveform and Function Generators right arrow
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        AC Power Supplies right arrow DC Power Supplies right arrow DC Electronic Loads right arrow Power Analyzers right arrow Source Measure Units right arrow
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        Save up to 50% on an XR8 Oscilloscope

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      • Ethernet Traffic Emulation right arrow Network Emulators right arrow Interconnect Test right arrow
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        Discover Keysight AI Data Center Builder

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        Keysight PathWave VSA software running on a laptop
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        Accelerate Signal Analysis with X-Series Measurement Applications

        Use 25+ X-Series applications to analyze, demodulate, and troubleshoot signals across wireless, aerospace/defense, EMI, and phase noise.

        Explore Now
        Keysight X-Series Measurement software running on a laptop
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        Introducing AI-Enhanced Packet Brokers

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        Vision 400 Network Packet Broker
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        Precision In-Circuit Testing for Production

        Achieve fast, accurate board-level testing with robust inline and offline ICT designed for modern manufacturing.    

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        Keysight's i3070 Series Equipment
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      Stream 120 MHz I/Q Data to Your Laptop in the Field

      Pinpoint interference with post-processing spectrum management software in the lab.

      Meet the New FieldFox
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      Find the Right ATE Power Solution

      Use this selector tool to quickly identify the best power supply for your aerospace and defense ATE requirements.

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      Aerospace and Defense ATE Power Selector
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    • W8542EP IC-CAP VBIC BJT 模型萃取 [已停產]

    W8542EP IC-CAP VBIC BJT 模型萃取

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    W8542EP IC-CAP VBIC BJT 模型萃取軟體包含 VBIC(vertical bipolar inter-company)雙極模型萃取軟體套件。

    VBIC 垂直 BJT 模型由 IC 和 CAD 業界代表合作開發,專為取代 SPICE Gummel-Poon 模型而設計。

    對之前推出的元件而言,它提供直覺且實體結構一致的模型,一般而言可滿足 BJT 元件對於建模的要求。但由於現代元件技術不斷進步,BJT 建模技術也需隨之進化。其中一些技術變更包括:

    • 基極寬度減少
    • 元件尺寸縮小,元件結構也有所改變
    • 摻雜剖面改變
    • 寄生基板電晶體

    基極寬度減少代表高階效應會更顯著。Gummel-Poon 模型的厄利效應近似法(Early effect approximation)無法準確地呈現這些效應。

    裝置尺寸縮小則使得 Gummel-Poon 模型未考慮到的寄生重疊電容變得更加重要。當基底寬度變小,響應也會更趨非線性。

    摻雜剖面的改變,會增加集極電阻的準飽和效應,同樣的,Gummel-Poon 模型並未考慮這一點。

    寄生基板電晶體則未包含在 Gummel-Poon 模型中。因此直流與交流建模的準確度都會低於目前元件的要求。

    為了克服這些問題,IC 與 CAD 業界代表共同合作,提出半導體產業所需的改良後標準 BJT 模型。最後得到的結果便是 VBIC 模型,這種模型目前已可供使用,也會隨未來技術改進而繼續發展。

    VBIC 包括考慮了厄利效應(輸出電導)、基板電流、準飽和,以及不同溫度下特性的改良建模。利用這些重要資訊可以建立目前最先進元件的精確模型。但 VBIC 模型的定義過於複雜,如果使用預設參數,模型會簡化成與 Gummel-Poon 模型盡可能相似。

    與 Gummel-Poon 模型相比,VBIC 的優點如下:

    • 厄利效應模型以接面空乏電荷為基礎
    • 經過修正的準飽和效應 Kull 模型可應用於 Kirk 機制 (集極的高注入效應)
    • 包含寄生基板電晶體
    • 改良後的單一接面電容模型適合所有三種接面電容
    • 改良的靜態溫標
    • 對分散式基極與發射器交流直流聚集進行一階建模
    • 整體提升的高位準電荷擴散電容建模(包含準飽和電荷)
    • 包含寄生重疊電容
    • 考量基極集接面出現微弱雪崩電流的情況
    • 方程式高階連續性(無限)
    • 與 Gummel-Poon 模型類似的雜訊模型,包含散射成分、熱成分與 1/f 成分
    • 程式碼中包含經過定義的自熱模型(具有掛鉤),自熱模型將於未來的 VBIC 版本中提供

    8542EP IC-CAP VBIC BJT 模型萃取套件假設待測物為使用 P 型基板製造的垂直雙極 NPN 電晶體。
     

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