Description
The 779687-02 is a high-performance PXI Dynamic Signal Analyzer (DSA) known by its model number PXI-4461. This device is uniquely designed to cater to dynamic signal generation and acquisition with its 2-channel configuration. This versatile unit is capable of both generating and acquiring signals, making it an essential tool for a wide range of applications.
One of the standout features of the PXI-4461 is its input range design, which allows users to choose from one of six gain settings. This flexibility ensures that the device can be tailored to specific signal requirements. Moreover, it supports programmable AC/DC coupling and IEPE conditioning, enhancing its utility in various testing and monitoring scenarios.
The PXI-4461 is particularly suited for applications such as audio testing, addressing automotive noise, vibration, and harshness (NVH), and machine condition monitoring. These applications benefit from the device’s robust design and versatile feature set, making it a go-to solution for engineers and technicians in these fields.
It offers both differential and pseudo-differential AI terminal arrangements, ensuring compatibility with a range of sensor types and configurations. The device also boasts a resistance of 50 Ω between the BNC shell and chassis frame, ensuring signal integrity and reducing the potential for interference.
Another key feature is its digital filters, which are crucial for preventing aliasing and ensuring the accuracy and clarity of signal acquisition. Users can configure channels on a per-channel basis for differential and pseudo-differential modes, providing additional flexibility. The PXI-4461’s acquisition clock can be synchronized with other devices, facilitating integrated system solutions. It supports both digital and analog triggering, allowing for precise control over signal acquisition.
With 24-bit resolution analog-to-digital converters, the PXI-4461 ensures high-fidelity data capture, making it ideal for applications requiring precise and accurate signal analysis. It supports software-programmable sampling rates, including 44.1 kS/s and 48.0 kS/s, giving users the ability to adjust
| Specification | Description |
|---|---|
| Part Number | 779687-02 |
| Category | PXI DSA |
| Model | PXI-4461 |
| Channels | 2-channel dynamic signal generation, 2-channel acquisition |
| Input Range Design | One of six gain settings |
| Coupling and IEPE Conditioning | Programmable AC/DC coupling and IEPE conditioning |
| Applications | Audio test, automotive noise, vibration, and harshness (NVH), machine condition monitoring |
| AI Terminal Arrangements | Differential and pseudo-differential |
| Resistance | 50 Ω between the BNC shell and chassis frame |
| Digital Filters | Yes, for preventing aliasing |
| Channel Configuration | Per channel basis for differential and pseudo-differential modes |
| Synchronization | Acquisition clock can be synchronized with other devices |
| Triggering | Digital and analog |
| Resolution | 24-bit resolution analog-to-digital converters |
| Sampling Rates | Software-programmable, including 44.1 kS/s and 48.0 kS/s |
| Calibration | Available, with NIST accredited options through a 3rd party |


