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      Stream 120 MHz I/Q Data to Your Laptop in the Field

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    • 8990B 峰值功率分析儀 [已停產]

    8990B 峰值功率分析儀

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    規格

    • 160 MHz 視訊頻寬
    • 100 MSa/sec的連續取樣率,以及每秒大於1500筆的讀值
    • 50 MHz 至 40 GHz 的頻率範圍(視感測器而定)
    • 快速的 5 ns 系統上升/下降時間

    量測類型

    • 15 種量測參數:上升時間、下降時間、脈衝寬度、信號週期、PRI、PRF、峰值、平均值、峰均比、CCDF 等。
    • 自動化延遲量測、自動化傾斜量測、脈衝間隔量測
    • 多脈衝分析(需使用選項8990B-1FP或N6903A)
    • 附加功率效率(PAE)量測

    校驗

    • 內部歸零與校驗

    加速執行準確且更加詳細的脈衝量測

    8990B 峰值功率分析儀是一台高性能的射頻峰值功率錶,專門用於射頻脈衝的量測與分析。8990B 實現了5 ns 的上升/下降時間(搭配使用 N1923A/N1924A 寬頻功率感測器),此為峰值功率量測領域中最快的總上升/下降時間,讓研發工程師和技術人員能夠在模組設計、驗證與除錯過程中,以高準確度擷取更短的脈衝並進行量測。

    8990B 具備 2 個射頻通道和 2 個視訊通道,可量測射頻與微波功率的動態或時間相關細節。有了 8990B 高達 100 MSa/s 的取樣率,研發工程師能得到他們所需的高解析度以發現信號軌跡中的異常,並可藉此改良設計。

    易於使用、易於觸發、易於量測

    8990B 峰值功率分析儀配備 15 吋 XGA 彩色觸控螢幕顯示器,可以同時顯示 4 個通道的結果,以呈現更多影像細節。8990B 提供內部與外部觸發功能,並具備 15 種脈衝參數量測與標記量測功能,包括上升時間、下降時間、脈衝傾斜(pulse droop)、脈衝寬度以及延遲時間。

    8990B 搭配使用 N1923A(50 MHz 至 18 GHz) 和 N1924A(50 MHz 至 40 GHz)寬頻功率感測器時,可實現最佳的峰值功率量測效能。

    提供更快的量測速度和更高的量測準確度

    多脈衝量測
    查看、量測並分析功率放大器模組或發射器所送出的連續脈衝序列。多脈衝量測功能可連續觸發並擷取多達512個脈衝。此功能使得 8990B 具備了脈衝對脈衝量測和直方分佈圖等功能,對於測試功率放大器和發射器之 RF 和脈衝對脈衝穩定性有極大的幫助。此外,使用者還可利用多脈衝量測功能,分析整個脈衝串列中,斷開時間較長或振幅較傾斜的短脈衝,或是透過直方圖功能監視脈衝形狀的穩定性。

    附加功率效率數學運算功能
    您可使用 8990B 計算功率放大器的附加功率效率(PAE),並立即在螢幕中顯示 PAE 軌跡。附加功率效率是典型的功率分析儀量測功能,可測試其功率轉換效率,即功率放大器從直流電轉成射頻電的百分比。8990B 峰值功率分析儀讓您只用一套單機式解決方案,就能量測射頻功率、電壓和電流,有助於降低測試成本並減少測試設備的數量。8990B 的兩個 RF 輸入通道方便使用者量測功率放大器的 RF 功率增益;藉由使用直流電流探棒、示波器探棒或差動探棒,他們還可量測通過類比視訊輸入通道的功率放大器的電壓和電流。接著,8890B PAE 數學函數使用射頻和類比視訊輸入通道的量測結果,輕鬆確認功率放大器的 PAE 。

    用於寬頻量測的可調整 ETS 臨界值
    透過 8990B 的 160 MHz 視訊頻寬功能,您可準確量測 802.11ac 寬頻信號的峰值和峰均值。此峰值功率分析儀可根據突波長度調整ETS臨界值,以便對80 MHz或160 MHz 802.11ac信號執行功率與時間(PVT)量測。用戶還可使用縮放功能來分析並量測802.11ac突波信號的前導功率。

    如需功率錶與功率感測器的更多資訊,請瀏覽功率錶與功率感測器

    前 50 大測試與量測產品 -  2011 年

    Test & Measurement World 雜誌前 50 大最佳產品獎 - 2011 年
     

    T&M World 雜誌最佳測試產品獎,進入決選 – 射頻/微波測試

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