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| 12 bit A/D-D/A card is a high precision
data conversion system for PC/XT,PC/AT, or compatible computer. It contains one 12 bits
digital to analog channel(setting jumper 2 for selecting unipolar or bipolar) and sixteen
12 bits analog to digital channels (setting jumper 3 for selecting unipolar or bipolar). |
| Features of 12
bit A/D-D/A Card: |
D/A:
- Support one 12 bits channel.
- Output voltage. (adjust by VR)
unipolar: 0V to 9V.
bipolar: -9V to 9V.
- Unipolar or bipolar selectable,
- Current setting time 500nsec.
- Nonlinearity 0.2%.
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A/D:
- Support sixteen 12 bits channels.
- Input voltage. (adjust by VR)
unipolar: 0V to 9V.
bipolar: -9V to 9V.
- Unipolar or bipolar selectable.
- Successive approximation method.
- Conversion time 60usec. (each channel)
- I/O port address: &H278-27F or &H2F8-2FF
selectable..
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