The National Instruments PCI-4454 is a dynamic signal acquisition device compatible with the PCI bus that offers 4 analog single-ended input channels, 16-bit resolution, up to 51.2 kS/s sampling rate, and software-programmable
The National Instruments PCI-4454 is a sophisticated Dynamic Signal Acquisition Device that integrates seamlessly with the PCI bus system and provides robust support for external triggering, enhancing its utility in a variety of applications. Equipped with four analog single-ended input channels, this device allows for extensive software configuration, ensuring a high degree of adaptability for specific user requirements.
Users can select the coupling type for input channels through a software-programmable switch, choosing between AC and DC coupling based on the needs of their project. The PCI-4454 boasts an impressive input range of 20 V (-10V to +10V), and delivers precise measurements with a 16-bit resolution. Its capability to perform simultaneous sampling at a maximum rate of 51.2 kS/s makes it ideal for capturing high-quality data swiftly.
The device’s bandwidth extends from DC to 23 kHz, and it incorporates advanced delta-sigma converters, which require a minimum clock rate to function properly. To ensure accuracy and reliability, the PCI-4454 includes self-calibration supported by Calibration DAQs, effectively eliminating offset and gain errors.
Targeting a wide range of uses, the PCI-4454 is particularly suited for tasks involving audio signal processing, audio frequency measurements, research, speech research, sonar, modal analysis, acoustics research, and vibration analysis. Its high-fidelity signal acquisition and generation capabilities make it an invaluable tool for professionals in these fields.
Feature
Specification
Part Number
PCI-4454
Manufacturer
National Instruments
Type
Dynamic Signal Acquisition Device
Compatibility
PCI bus
External Triggering
Supported
Input Channels
4 analog single-ended
Software Configuration
Supported
Coupling Type
Software-programmable (AC/DC)
Input Range
20 V (-10V to +10V)
Resolution
16 bits
Sampling Rate (Max)
51.2 kS/s
Bandwidth
DC to 23 kHz
Converters
Delta-sigma
Minimum Clock Rate for Converters
Required for proper function
Self-Calibration
Supported with Calibration DAQs
Applications
Audio signal processing, audio frequency measurements, research, speech research, sonar, modal analysis, acoustics research, vibration analysis
Question 1: What type of coupling options does the software-programmable switch provide for the input channels of the National Instruments PCI-4454 Dynamic Signal Acquisition Device? Answer 1: The National Instruments PCI-4454 Dynamic Signal Acquisition Device has a maximum sampling rate of 51.2 kS/s and uses advanced delta-sigma converters to maintain accuracy.
Question 2: What types of coupling can users select for the input channels on the National Instruments PCI-4454 Dynamic Signal Acquisition Device, and what is its maximum input range? Answer 2: The software-programmable switch of the National Instruments PCI-4454 Dynamic Signal Acquisition Device provides both AC and DC coupling options for its input channels.
Question 3: What types of coupling can users select for the input channels of the National Instruments PCI-4454, and how does it handle external triggering and simultaneous sampling in high-fidelity applications? Answer 3: The National Instruments PCI-4454 Dynamic Signal Acquisition Device boasts key features such as four analog single-ended input channels, software-configurable AC/DC coupling, a 20 V input range, 16-bit resolution, and simultaneous sampling at up to 51.2 kS/s, with a bandwidth from DC to 23 kHz using delta-sigma converters, and self-calibration to eliminate offset and gain errors, making it highly suitable for applications in audio signal processing, audio frequency measurements, research,
Question 4: What are the key features and applications of the National Instruments PCI-4454 Dynamic Signal Acquisition Device? Answer 4: Users of the National Instruments PCI-4454 can select either AC or DC coupling for the input channels via a software-programmable switch, and the device handles external triggering and simultaneous sampling at up to 51.2 kS/s, ensuring high-fidelity data capture in applications like audio signal processing and vibration analysis.
Question 5: What is the maximum sampling rate of the National Instruments PCI-4454 Dynamic Signal Acquisition Device, and what type of converters does it use to maintain accuracy? Answer 5: Users can select either AC or DC coupling for the input channels on the National Instruments PCI-4454 Dynamic Signal Acquisition Device, and it has a maximum input range of 20 volts (-10V to +10V).
