board under test 中文意思是什麼

board under test 解釋
在測電路板
  • board : n 1 板〈通常指寬4英寸半以上厚2英寸半以下者〉，木板；紙板。2 （廣告）牌；（棋）盤；〈口語〉配電盤...
  • under : adv 1 在下，從屬著，服從著。 bring under get under keep under 等〈參看各該動詞條〉。 The ship wen...
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. A technician places the board under test on the fixture and activates the vacuum, which pulls the board down onto the pins

    技術人員將受測設備放到固定裝置上並啟動真空裝置，這樣，電路板就被固定了。
  2. To perform an in - circuit test, you need a test fixture that connects the circuit nodes on the board under test to the tester

    為了完成在線測試，你需要一個測試固定裝置，它可以將被測電路板上的節點連接到測試設備上。
  3. Shorts may cause a pcb to fail other tests and may damage the tester or the board under test if you must apply power to the board

    短路可能導致印刷電路板不能通過其它測試，在對電路板上電后，會損壞測試設備或電路板。
  4. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。
  5. A private car e - channel pilot scheme is launched at man kam to control point with effect from 15 february 2007 to test the self - service clearance of drivers and passengers on board private cars. the pilot scheme was completed on 18 may 2007 and is now under review

    為測試私家車司機及乘客利用容貌辨認技術同步辦理自助出入境手續的效果，本處由二零零七年二月十五日起，于文錦渡管制站實施私家車e -道試驗計劃。
  6. Particular wires, can be used for long time under the condition of - 65 200 anti strong acid and alkali, durable usage range : be used with intercoms and access control systems. can be installed onto wooden door, metal door, glass door, fireproof door function : working voltage : 12vdc working current : 0. 53a working condition : 40 50 holding force : 280kgs working mode : cut off power to open when the door is being locked, the led turn green, and when the door is open, the led turn red. with network signal output insulated test : dc500v absolutely insulated in 1 minute dimension of the magnet board : 80x24x3mm dimension : 230x40x25mm weight : 1780g

    Jdy - 280埋入式磁力鎖產品特性:安裝方便噪音低壽命長吸力強無剩磁特製導線，可長期使用在65200溫度范圍內，抗強酸堿和有機溶劑，耐老化適用於90開門適用范圍：可與樓宇對講門禁系統配套使用適用門型：木門金屬門玻璃門防火門電氣性能：工作電壓： 12vdc工作電流： 0 . 53a工作環境： 40 50工作方式：斷電開鎖絕緣電阻測試： dc500v 1分鐘無擊穿鐵板尺寸： 184 x 36 x 11mm外形尺寸： 230 x 40 x 25mm重量： 1780g
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