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What Is the Difference Between the 4 Hz Filters on the SCXI-1100, SCXI-1120, and SCXI-1121 Modules?

Hardware: SCXI>>Modules>>SCXI-1100

Problem:
What is the difference between the 4 Hz filter on the SCXI-1100 module and the SCXI-1120 and SCXI-1121 modules?

Solution:
On the SCXI-1100 module, the 4 Hz filter is placed after the multiplexer. This lengthens the settling time of the gain amplifier, hence restricting maximum sampling rate to be approximately 2 Hz. On the SCXI-1120 and SCXI-1121, there is a separate 4 Hz filter for each of the input channels, so you can acquire data at a sample rate of 142 kHz.

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Report Date: 01/17/1996
Last Updated: 09/12/2007
Document ID: 0HG6BMRP

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