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NI 6703/6704 類比輸出卡片中,數位訊號線的pull-up 電阻阻值是多少?



硬體: Signal Sources (AWG/FG/AO)>>Analog Output Devices>>PCI-6703, Signal Sources (AWG/FG/AO)>>Analog Output Devices>>PXI-6703, Signal Sources (AWG/FG/AO)>>Analog Output Devices>>PXI-6704, Signal Sources (AWG/FG/AO)>>Analog Output Devices>>PCI-6704

問題: NI 6703/6704 類比輸出卡片中,pull-up 電阻阻值是多少?

解答: NI 6703/6704 卡並沒有pull-up 或pull-down 電阻。它用FPGA取代STC晶片組去推動數位訊號線,STC晶片用pull-up電阻,但NI 6703/6704 卡並沒有。
然而,都會將訊號線拉至高阻抗的狀態,所以若想加pull-up 或pull-down 電阻,您可用外加的模式。

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報告日期: 06/05/2004
最後更新: 06/16/2004
文件偏號: 3A4E36IO