The National Instruments PXI-7841 Multifunction Reconfigurable I/O Module, with part number 780337-01, features a Virtex-5 LX30 FPGA, 8 analog input and output channels, a maximum sampling rate of
The National Instruments PXI-7841 Multifunction Reconfigurable I/O Module, part number 780337-01, incorporates a high-performance Virtex-5 LX30 FPGA module and provides a substantial number of interfaces with 8 analog input channels and 8 analog output channels. Each channel is capable of a maximum sampling rate of 200 kS/s, and users can select between DIFF, RSE, and NRSE input modes through software configuration. Precision is ensured with a 16-bit resolution and a swift conversion time of approximately 4µs.
The module’s input impedance is rated at 10 GΩ, in parallel with 100pF, and operates with DC coupling. It safely handles a maximum working voltage of ±12 V for both single and common modes, and it exhibits a bandwidth of 1 MHz for small signals and 500 kHz for large signals, catering to a wide range of signal sizes. Additionally, the module boasts an extensive array of 96 digital I/O lines for comprehensive digital interfacing capabilities.
Feature
Specification
Manufacturer
National Instruments
Product Name
PXI-7841 Multifunction Reconfigurable I/O Module
Part Number
780337-01
FPGA Module
Virtex-5 LX30
Analog Input Channels
8
Analog Output Channels
8
Max Sampling Rate
200 kS/s per channel
Input Modes
DIFF, RSE, NRSE (Software-selectable)
Resolution
16-bit
Conversion Time
Approximately 4µs
Input Impedance
10 GΩ parallel with 100pF
Coupling
DC
Maximum Working Voltage
±12 V (single and common modes)
Bandwidth for Small Signals
1 MHz
Bandwidth for Large Signals
500 kHz
Digital I/O Lines
96
Question 1: What are the input mode options that can be configured through software for the National Instruments PXI-7841 Multifunction Reconfigurable I/O Module? Answer 1: The National Instruments PXI-7841 Multifunction Reconfigurable I/O Module allows users to configure DIFF, RSE, and NRSE input modes, and offers a maximum sampling rate of 200 kS/s per channel.
Question 2: What input impedance and capacitor value are present in parallel on the National Instruments PXI-7841 Multifunction Reconfigurable I/O Module and what are its digital interfacing capabilities in terms of the number of I/O lines? Answer 2: The input mode options that can be configured through software for the National Instruments PXI-7841 Multifunction Reconfigurable I/O Module are differential (DIFF), referenced single-ended (RSE), and non-referenced single-ended (NRSE).
Question 3: What are the input modes available for configuring the National Instruments PXI-7841 module, and what is the rated input impedance of the device? Answer 3: The National Instruments PXI-7841 Multifunction Reconfigurable I/O Module features an input impedance of 10 GΩ in parallel with a 100pF capacitor and offers extensive digital interfacing capabilities with 96 digital I/O lines.
Question 4: What types of input modes can be configured on the National Instruments PXI-7841 Multifunction Reconfigurable I/O Module, and what is its maximum sampling rate per channel? Answer 4: The input modes available for configuring the National Instruments PXI-7841 module are DIFF, RSE, and NRSE, and the rated input impedance of the device is 10 GΩ in parallel with 100pF.
Question 5: What is the input impedance parallel capacitance specification of the National Instruments PXI-7841 Multifunction Reconfigurable I/O Module, and how does it contribute to its performance with DC coupling? Answer 5: The input impedance parallel capacitance specification of the National Instruments PXI-7841 Multifunction Reconfigurable I/O Module is rated at 10 GΩ in parallel with 100pF, which contributes to its performance with DC coupling by ensuring high input resistance and low capacitance, thus minimizing the loading effect on the signal source and preserving signal integrity across a range of frequencies.
