Description

I. Product overview
Brand & Manufacturer: National Instruments (NI)
Product Type: Low-pass filter input module
Model: SCXI-1143
Main use: As part of the SCXI system, it is used for signal conditioning and data acquisition, especially for scenarios requiring anti-aliasing applications.
Second, product characteristics
Programmable filter:
The SCXI-1143 is a programmable filter module that allows the user to set the cut-off frequency of the filter as required.
Although all channels must be set to the same cutoff frequency, users can be programmed to bypass the low-pass filter for a particular channel individually.
Flexibility and performance:
The module combines an analog filter and a switched capacitor filter to provide 10,000 discrete, software-programmable cutoff frequencies for user flexibility.
High flexibility is achieved while maintaining the low noise performance of traditional continuous time active filters.
External clock input and output:
External clock input and output functions are provided to allow users to use an external clock to set the cut-off frequency of the filter in tracking filter applications.
High channel count:
As an 8-channel low-pass filter input module, SCXI-1143 can process multiple signals simultaneously, improving the efficiency and accuracy of data acquisition.
System compatibility:
Suitable for SCXI systems, compatible with NI’s PXI systems and other data acquisition devices, enabling users to build complete measurement and automation systems.
Iii. Technical Specifications (part)
Number of channels: 8 channels
Filter type: Butterworth low-pass filter
Cut-off frequency setting: Programmable, all channels must be the same
Noise performance: Maintain the low noise performance of traditional continuous time active filters
External clock: Supports external clock input and output
4. Application field
Industrial automation: In the process of industrial automation, it is used for signal conditioning and data acquisition to improve production efficiency and product quality.
Research experiments: In the field of research and experiments, used for signal analysis and processing, to support the conduct of various research projects.
Environmental monitoring: In the environmental monitoring system, used to collect and process environmental parameter signals, such as temperature, humidity, etc.

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