是數字時代的核心問題
具有“工程師的眼睛”美稱的示波器,是如今數字時代設計、制造、維修電子設備時不可或缺的工具。
它能幫助工程師查看時域和射頻域中的各種模擬信號和數字信號、觀察高速數字總線的信號完整性或檢查電源的電壓和電流、與多種不同類型的傳感器結合、以及測量大量非電氣現象,如聲音、機械應力、壓力、光、振動和熱。
一直居于數字時代前沿的泰克(Tektronix),成立70多年來,通過為行業提供創新、精準、易用的測試測量與監測解決方案,在科研用示波器領域一直居于業界領先地位。
近年來,泰克希望升級其面向學校、小型實驗室和制造商客戶的入門級TBS1000示波器系列產品。此次升級方案要求高度靈活,以低成本價格快速升級,并能夠在現場進行更新,從而方便靈活地滿足不斷變換的客戶需求。
然而,由于產品復雜度和設計挑戰的不斷增長,原有示波器的落后以及現有技術的提升緩慢讓工程師們“不已”,示波器升級勢在必行。
在對多種升級方案進行評估后,由于優異的性能和豐富的功能集,泰克最終在其設計中選用了賽靈思的Zynq-7000S SoC。
強力成本優化,助力產品高速迭代
賽靈思通過SoC 方法,幫助泰克以適配入門級示波器的價格和性能水平,在縮短上市時間的同時,實現先進的軟件功能和采集功能。
Zynq-7000S 器件采用單核 Arm Cortex-A9 處理器,并集成了基于 28nm Artix-7 的可編程邏輯,是可擴展 Zynq-7000 平臺成本的入門器件。這兩者的集成在可編程邏輯和處理系統之間提供了高吞吐量,并通過共享外部存儲器 (DRAM) 實現了顯著的性能優勢和成本優勢。
賽靈思Zynq-7000原理圖
DSP48 塊用于濾除數據轉換器造成的頻譜異常,同時補償探頭造成的劣化
高性能邏輯可以實現對數字化數據的觸發,以自動化的方式準確捕獲感興趣的數據,提升生產力和精度
高速 IO 提供轉換速率控制,實現該示波器提供的“欠幅觸發模式”這一最新功能
事實證明,泰克為 TBS1000C選用賽靈思Zynq-7000S,實為明智之舉:
能夠切換到新的用戶界面,以便 TBS1000C 與其他泰克示波器匹配
記錄長度(完成完整波形記錄所需的樣本數)從 2,500 個點增加到 20,000 個點
波形捕獲速率從每秒 500 個波形增加到每秒 5,000 個波形
新增了有助于數字信號分析的欠幅觸發模式
專業團隊支持,保障運行無憂
除了的性能,賽靈思也為泰克的工程團隊提供了有力的技術支持。
泰克技術解決方案部系統架構師Joshua O’Brien表示:“我們本地的現場應用工程師會前往現場,負責初始上電和調試。賽靈思則根據與我們的合作,提供工具培訓、邏輯和 PCB 設計審核。任何超出我們本地現場應用工程師知識范圍的問題,都由賽靈思負責解決!
憑借強勁的性能、優秀的成本控制和廣泛的適應性,賽靈思幫助泰克順利完成了產品的升級。泰克解決方案組合部負責入門級示波器的產品營銷經理Andrew Tedd說道:“賽靈思提供的器件具備強大的功能,同時與工具、培訓和支持結合在一起,為我們的使用提供了便利。此外,賽靈思產品的耐久度是泰克產品贏得成功的關鍵。”
W7622A-1011-17
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