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National Instruments · SCXI

SCXI-1143

The National Instruments SCXI-1143 is an 8-channel Butterworth low-pass filter module for SCXI signal-conditioning systems. NI documents its use as a filtering stage in selected cascaded data acquisition configurations.

ManufacturerNational Instruments

ModelSCXI-1143

Part Number776572-43

Product Type8-channel Butterworth low-pass filter module

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Channels8

Filter responseButterworth low-pass

PlatformSCXI signal conditioning

Manufacturer part number776572-43

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Overview

Product overview

Key product information and technical features.

The SCXI-1143 provides eight channels of Butterworth low-pass filtering. Its filter response distinguishes it from the SCXI-1142 Bessel filter module and the SCXI-1141 elliptic filter module.

In NI's documented cascaded systems, the SCXI-1143 can serve as a programmable filtering stage following selected isolation modules. Supported combinations depend on the upstream module, connected DAQ device, and driver; the module name alone does not establish complete system compatibility.

Eight low-pass filter channels in an SCXI module.
Butterworth filter response, distinct from the Bessel response of the SCXI-1142.
Documented programmable-filter stage for selected cascaded SCXI measurement systems.

Verified specifications

Technical data

Verified product specifications.

Number of channels	8 channels
Filter type	Low-pass Butterworth
Manufacturer part number	776572-43

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Compatibility

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National Instruments

Manufacturer

SCXI

Signal-conditioning platform

SCXI-1143

8-channel Butterworth low-pass filter module

Software reference

NI-DAQmx 18.6 lists the SCXI-1143 among supported SCXI modules; this is version-specific evidence, not a claim of support in every driver release.

Select an SCXI system configuration; verify the chassis, DAQ device, cabling, and driver together before integration.

Manuals & software

Technical resources

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Cascading SCXI ModulesApplication And Configuration Guide · ni.com

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NI-DAQmx 18.6 ReadmeDriver Support Reference · ni.com

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SCXI-1304 AC/DC Coupling Terminal Block Installation Guide and SpecificationsAccessory Installation Guide · download.ni.com

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SCXI Cascading Configurations and Driver RestrictionsTechnical resource

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FAQ

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Product-specific answers based on available technical information.

What filter response does the SCXI-1143 provide?

The SCXI-1143 provides Butterworth low-pass filtering across eight channels. It is not the Bessel variant; that model is the SCXI-1142.

Does NI-DAQmx support the SCXI-1143?

NI-DAQmx 18.6 explicitly lists the SCXI-1143 as supported hardware. Check the readme for the exact driver release and operating system intended for your system rather than assuming support across all versions.

Can the SCXI-1143 be cascaded with an SCXI-1140?

NI documents that combination for simultaneous filtering with E Series DAQ devices under Traditional DAQ only. It is listed as partially supported, with measurement-accuracy limitations described in NI's cascading guide.