用SoundCheck®进行高精度测量的数据采集卡
对于大多数的传感器测试应用来说,声卡提供了充分的准确性。 但是,对于一些音频电子测试来说,最好选用National Instruments公司的低噪音数据采集卡。
用于台式电脑: PCI 插槽接口
National Instruments公司 PCI-4461数据采集卡
24-Bit, 204.8 kS/s, 2 Inputs/2 Outputs
- 2 simultaneously sampled analog inputs
- 2 simultaneously updated analog outputs
- BNC connections with selectable terminations
- 118 dB dynamic range, 24-bit resolution
- 204.8 kS/s maximum sampling rate
- 92 kHz alias-free bandwidth
- Input range from ±316 mV to 42.4 V
- 6 gain settings
- AC/DC coupling
- Antialiasing and anti-imaging protection
- IEPE conditioning – Can be enabled in SoundCheck
PXI 接口 (需要一个PXI 底座)
National Instruments PXI-4461
24-Bit, 204.8 kS/s, 2 Inputs/2 Outputs
- 2 simultaneously sampled analog inputs
- 2 simultaneously updated analog outputs
- BNC connections with selectable terminations
- 118 dB dynamic range, 24-bit resolution
- 204.8 kS/s maximum sampling rate
- 92 kHz alias-free bandwidth
- Input range from ±316 mV to 42.4 V
- 6 gain settings
- AC/DC coupling
- Antialiasing and anti-imaging protection
- IEPE conditioning – Can be enabled in SoundCheck
数字I/O卡
PCI Cards
National Instruments PCI-6503
- 24 lines (5 V/TTL) static I/O in 8-bit ports, 2.4 mA
- 3 ports
- Each port is 8 bits wide
- Can be used for setting or reading external relays (PLC’s)
- Bi-directional
- 5V, TTL 2.4mA
