PXIe-9817 4 simultaneous channels with 125MS/s sample rate 16 bit resolution Selectable ranges: ±0.5V, ±1V, ±5V, or ±10V support external reference clock (10MHz) Selectable 50Ω or 1MΩ input impedance用戶手冊驅動程式範例配件資訊User Manual