Description
The Part Number 779687-01 identifies a specific PXI Dynamic Signal Analyzer (DSA), model PXI-4461. This device is specialized for two-channel dynamic signal generation and acquisition, making it suitable for a variety of applications such as audio testing, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring.
The PXI-4461 offers flexibility in signal capturing through its input range design, which allows users to choose from one of six gain settings. Additionally, it provides versatility in signal analysis with both AC and DC coupling, which can be programmatically set according to the requirements of the test scenario. The device also includes IEPE (Integrated Electronics Piezo-Electric) conditioning, enabling direct connection to IEPE sensors.
For precise data acquisition, the PXI-4461 features differential and pseudo-differential terminal arrangements for analog inputs (AI). It ensures a reliable connection with a specified resistance of 50 Ω between the BNC shell and the chassis frame. To protect against signal distortion, digital filters are incorporated for aliasing prevention.
The device supports robust synchronization capabilities, allowing for acquisition clock synchronization with other devices for coherent data collection across multiple channels. It also offers flexible triggering options, including both digital and analog triggers, to suit various testing scenarios.
With its 24-bit Analog-to-Digital Converter (ADC), the PXI-4461 achieves high-resolution data acquisition. It allows for software-programmable sampling rates, including common rates like 44.1 kS/s and 48.0 kS/s, facilitating its application in a wide range of audio and signal processing tasks.
| Specification | Detail |
|---|---|
| Part Number | 779687-01 |
| Category | PXI DSA |
| Model | PXI-4461 |
| Channels | Two-channel dynamic signal generation and acquisition |
| Input Range Design | One of six gain settings |
| Coupling | AC/DC, programmable |
| IEPE Conditioning | Incorporated |
| Applications | Audio test, automotive NVH, machine condition monitoring |
| Terminal Arrangements for AI | Differential, pseudo-differential |
| Resistance | 50 Ω between the BNC shell and chassis frame |
| Digital Filters | For aliasing prevention |
| Synchronization | Supports acquisition clock synchronization with other devices |
| Triggering | Digital and analog |
| Resolution | 24-bit ADC |
| Sampling Rates | Software-programmable, including 44.1 kS/s and 48.0 kS/s |
| Calibration |
Question 1: What is the part number for the PXI-4461? Question 2: What applications is the PXI-4461 used for? Question 3: Can the PXI-4461’s coupling be programmed? Question 4: How many channels does the PXI-4461 have? Question 5: What type of ADC does the PXI-4461 use? |




