Description
The PXIe-4468 sound and vibration module, manufactured by National Instruments, stands as a notable component in the realm of precision measurement equipment. This module is specifically designed to cater to a wide range of sound and vibration analysis applications, making it a versatile tool for engineers and technicians alike.
The model PXIe-4468 is available with two distinct part numbers, each corresponding to a different type of connector to suit various application needs. The part number 788512-01 is equipped with a Mini-XLR connector, whereas the part number 788511-01 comes with a BNC connector, offering flexibility in connectivity options.
As a PXI Sound and Vibration Module, this device is engineered to perform dynamic signal generation and acquisition across two channels. This dual-channel capability enhances its functionality, allowing for simultaneous operations that can significantly streamline testing and analysis processes.
The module boasts a versatile input range configuration with six gain settings, enabling users to adjust the input sensitivity according to the specific requirements of their applications. Furthermore, it supports both AC and DC coupling, providing additional flexibility in handling various signal types.
One of the key features of the PXIe-4468 is its IEPE conditioning capability, which is essential for powering and measuring from IEPE sensors, such as accelerometers and microphones. This feature, along with a built-in tone generator, makes the module exceptionally well-suited for conducting comprehensive sound and vibration analysis.
The output stage of the module is a differential amplifier, which can be configured to operate in pseudodifferential mode. This configuration is noteworthy for its ability to reduce the gain difference, which is specified as -22.0 mdB in pseudodifferential mode, thereby enhancing the accuracy of measurements.
Lastly, to optimize the performance of the PXIe-4468, it is recommended to establish a connection between the chassis ground and the input device ground. This practice helps
| Specification | Details |
|---|---|
| Manufacturer | National Instruments |
| Model | PXIe-4468 |
| Part Numbers | 788512-01 (Mini-XLR connector), 788511-01 (BNC connector) |
| Category | PXI Sound and Vibration Module |
| Channels | Two-channel dynamic signal generation and acquisition |
| Connector Type | Mini-XLR (788512-01), BNC (788511-01) |
| Input Range Configuration | Six gain settings |
| Coupling | AC/DC |
| IEPE Conditioning | Yes |
| Tone Generator | Built-in |
| Output Stage Configuration | Differential amplifier, configurable to pseudodifferential mode |
| Gain Difference in Pseudodifferential Mode | -22.0 mdB |
| Common-Mode Noise Rejection | Connection between chassis ground and input device ground recommended |
Question 1: What are the connector types for PXIe-4468?
Answer 1: Mini-XLR and BNC.
Question 2: How many channels does PXIe-4468 have?
Answer 2: Two channels.
Question 3: Does PXIe-4468 support IEPE conditioning?
Answer 3: Yes, it supports IEPE conditioning.
Question 4: Can the PXIe-4468’s amplifier operate in pseudodifferential mode?
Answer 4: Yes, it can operate in pseudodifferential mode.
Question 5: What is the gain difference in pseudodifferential mode for PXIe-4468?
Answer 5: -22.0 mdB.
