PXIe-4468 Overview

The PXIe-4468 is a sound and vibration module designed for making precision measurements with microphones, accelerometers, and other transducers that feature large dynamic ranges. Use the PXIe-4468 for sound and vibration applications such as audio test; automotive noise, vibration, and harshness (NVH); and machine condition monitoring.

Note In this document, the PXIe-4468 with Mini-XLR and PXIe-4468 with BNC are referred to inclusively as the PXIe-4468. The information in this document applies to all versions of the PXIe-4468 unless otherwise specified.

Device Capabilities

The PXIe-4468 is a sound and vibration module that has the following features and capabilities.

  • Pure Tone generator
  • 2 differential analog input channels and 2 analog output channels
  • 24-bit resolution
  • 250 kS/s maximum sample rate
  • AC/DC input coupling
  • .8 Hz highpass filter cutoff frequency
  • 6 gain settings
  • Mini-XLR front connections
  • 121 dB DSA dynamic range

Driver Support

NI recommends that you use the newest version of the driver for your module.

Table 1. Earliest Driver Version Support
Driver Name Earliest Supported Version
NI-DAQmx 22.8