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在 03-28-2010 09:01 PM
請問工程師:
我看DataSheet上寫的PCI-Card的輸出最高為阻抗0.1ohm, 電流5mA
那這種狀況下去推4ohm的電子元件推的動嗎?
還是說我還要在另外接OP放大當BUFFER??
已解決！ 轉到解決方案。
在 03-28-2010 10:38 PM
請問是哪個 PCI card ? 請提供型號。
哪個部份的輸出阻抗?
AO, DO, or counter ?
建議先接個 OP 當buffer.
Thanks
在 03-28-2010 10:48 PM
PCI-6052E and PCI-6221
會使用到AO跟AI
另外請問關於AI的部分有保護電路嗎?
如果沒有我就得再找電路資訊了..@@
在 03-28-2010 10:53 PM
AI 建議使用 differential input ( 輸入阻抗大約 10G Ohm )
AI 範圍 10V~-10V 可，電流 0~20mA
超過會燒毀 AI 部分
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