The National Instruments PXI-5621 is a 14-bit, DC-coupled digitizer with a 64 MS/s maximum sample rate, one channel, 50 Ohm input impedance, and supports multi-record capturing mode with a 64
The National Instruments PXI-5621 Digitizer is a sophisticated device with a 14-bit resolution and a maximum sample rate of 64 MS/s, designed for high-speed, DC-coupled signal acquisition.
With a part number of 189182A-02, this single-channel digitizer offers a sample rate range from 1 kS/s to 64 MS/s, accommodating a variety of measurement requirements.
The input impedance is set at a 50 Ω nominal value, and the device can handle a maximum input signal level of +8 dBm (±0.794 Vp).
It supports various triggering modes, including software, digital, and immediate, providing flexibility for different experimental setups.
Requiring only one PXI slot for operation, its compact dimensions are 3.9 x 6.3 x 0.8 inches.
Moreover, it comes equipped with an external frequency reference input via an SMA female connector and an external trigger input through a PFI 1 – SMB male connector.
A generous 64 MB memory buffer aids in data handling, and the multi-record capturing mode is supported, enhancing the digitizer’s versatility for complex data acquisition tasks.
Feature
Specification
Product
National Instruments PXI-5621 Digitizer
Part Number
189182A-02
Resolution
14-bit
Maximum Sample Rate
64 MS/s
Coupling Type
DC-coupled
Number of Channels
1
Sample Rate Range
1 kS/s to 64 MS/s
Input Impedance
50 Ω nominal
Maximum Input Signal Level
+8 dBm (±0.794 Vp)
Triggering Modes
Software, Digital, and Immediate
Required PXI Slots
1
Dimensions
3.9 x 6.3 x 0.8 in
External Frequency Reference Input
SMA female connector
External Trigger
PFI 1 – SMB male
Memory Buffer
64 MB
Multi-Record Capturing Mode
Supported
Question 1: What are the specifications and features of the National Instruments PXI-5621 Digitizer, including its resolution, sample rate, input impedance, and memory buffer capacity? Answer 1: The National Instruments PXI-5621 Digitizer supports software, digital, and immediate triggering modes, has dimensions of 3.9 x 6.3 x 0.8 inches, and requires only one PXI slot for operation.
Question 2: What types of triggering modes are supported by the National Instruments PXI-5621 Digitizer, and what are its specific dimensions and slot requirements for operation? Answer 2: The National Instruments PXI-5621 Digitizer boasts a 14-bit resolution and a maximum sample rate of 64 MS/s, an input impedance of 50 Ω nominal, and a substantial 64 MB memory buffer, all of which are key features that make it well-suited for high-speed, DC-coupled signal acquisition tasks.
Question 3: What is the function of the National Instruments PXI-5621 Digitizer’s external frequency reference input feature? Answer 3: The National Instruments PXI-5621 Digitizer features a 14-bit resolution, a maximum sample rate of 64 MS/s, an input impedance of 50 Ω, and a memory buffer capacity of 64 MB, accommodating a broad range of high-speed DC-coupled signal acquisition tasks.
Question 4: What are the key features and specifications of the National Instruments PXI-5621 Digitizer, including its resolution, sample rate, input impedance, and memory buffer size? Answer 4: The external frequency reference input feature of the National Instruments PXI-5621 Digitizer allows for synchronization with an external clock source, ensuring that its sampling rate can be aligned with other instruments or systems for accurate and consistent signal acquisition.
Question 5: What is the input impedance value of the National Instruments PXI-5621 Digitizer and how does its multi-record capturing mode enhance data acquisition tasks? Answer 5: The input impedance value of the National Instruments PXI-5621 Digitizer is 50 Ω nominal, and its multi-record capturing mode enhances data acquisition tasks by allowing the device to capture multiple sequences of data using a single trigger event, which is useful for analyzing transient events and repetitive signals.
