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NI 5781

Baseband Transceiver for NI FlexRIO

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  • Dual 100 MS/s, 14-bit inputs
  • Dual 100 MS/s, 16-bit outputs
  • 2 Vpp differential I/O (1 Vpp single-ended capable)
  • 40 MHz bandwidth (-3 dB)
  • External clock input and output
  • 8 general-purpose digital I/O lines


The NI 5781 is an analog two-input, two-output NI FlexRIO adapter module. The two 100 MS/s, 14-bit, differential, DC-coupled inputs and two 100 MS/s, 16-bit, differential, DC-coupled outputs are optimized for interfacing with baseband to RF upconverters and downconverters. With 40 MHz bandwidth (-3 dB) on the antialias (input) and reconstruction (output) filters, equivalent RF bandwidths up to 80 MHz are possible.

On the NI FlexRIO field-programmable gate array (FPGA) module, you can implement custom RF modulation and demodulation, channel emulation, bit error rate testing, or spectral monitoring and jamming. In addition, with the appropriate 50 Ω termination on the negative (-) inputs and outputs, the module can be used as a single-ended device in ultrahigh-speed control applications.

Specifications Documents

View Data Sheet

Specifications Summary

General
Product Family RF
Form Factor PXI Platform
PXI Bus Type PXI Hybrid Compatible
Part Number 781267-01
Operating System/Target Real-Time , FPGA , Windows
Length 12.9 cm
Width 2 cm
Height 12.1 cm
I/O Connector MCX
Product Name NI 5781
RF
RF Product Type Transceiver
Minimum Frequency 0 Hz
Maximum Frequency 40 MHz
Analog Input
Channels 2
Resolution 14 bits
Simultaneous Sampling Yes
Sample Rate 100 MS/s
Bandwidth 40 MHz
Frequency Range 0 Hz , 40 MHz
Analog Output
Channels 2
Resolution 16 bits
Timing Hardware
Update Rate 100 MS/s
Bandwidth 40 MHz
Frequency Range 0 Hz , 40 MHz
Digital I/O
Channels 8
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Select one of the following options for product configuration and pricing:

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Module Accessories   Chassis, Controllers, Modules Software & Services
Step 1: Verify Device and Quantity Selection
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
781267-01 NI 5781 Baseband Transceiver Adapter Module for NI FlexRIO 12 - 20 $ 2,999

Each NI 5781 Baseband Transceiver Adapter Module for NI FlexRIO requires:

NI 5781 Baseband Transceiver Adapter Module for NI FlexRIO
Step 2: Select Cable
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
Shielded
188375-0R3 MCX Plug to BNC Plug, RG 316 (0.3m) 12 - 20 $ 61
188375-01 MCX Plug to BNC Plug, RG 316 (1m) 10 - 15 $ 61
188374-0R3 MCX Plug to MCX Plug, RG 316 (0.3m) 12 - 20 $ 61
188374-01 MCX Plug to MCX Plug, RG 316 (1m) 10 - 15 $ 61
188377-0R3 MCX Plug to SMA Plug, RG 316 (0.3m) 12 - 20 $ 61
188377-01 MCX Plug to SMA Plug, RG 316 (1m) 10 - 15 $ 61
188376-0R3 MCX Plug to SMB Plug, RG 316 (0.3m) Call $ 61
188376-01 MCX Plug to SMB Plug, RG 316 (1m) 12 - 20 $ 61
778831-01 MCX 50 OhmTermination Plug 12 - 20 $ 30
185258-01 SH9MD-AUX Cable (1m) - Required to control the signal conditioning section of your system via the AUX connector 12 - 20 $ 71
185258-02 SH9MD-AUX Cable (2m) - Required to control the signal conditioning section of your system via the AUX connector 12 - 20 $ 81
Step 3: Select Optional Accessories
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
FlexRIO FPGA Modules
780560-01 NI PXI-7951R FlexRIO Module (Virtex-5 LX30) 12 - 20 $ 2,999
780561-01 NI PXI-7952R FlexRIO Module (Virtex-5 LX50) Call $ 4,199
780562-01 NI PXI-7953R FlexRIO Module (Virtex-5 LX85) Call $ 5,699
780563-01 NI PXI-7954R FlexRIO Module (Virtex-5 LX110) Call $ 6,999
781205-01 NI PXIe-7961R NI FlexRIO Module (Virtex-5 SX50T) 12 - 20 $ 4,499
781206-01 NI PXIe-7962R NI FlexRIO Module (Virtex-5 SX50T, 512MB RAM) 5 - 10 $ 6,199
781207-01 NI PXIe-7965R NI FlexRIO Module (Virtex-5 SX95T, 512MB RAM) 5 - 10 $ 8,799
Step 4: Add to Cart or Get a Quote

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System Assurance Programs

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This service is only available for PXI, NI CompactRIO, and NI Compact FieldPoint systems.

Extended Warranties

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  • Significant cost savings compared to individual repair incidents
  • Fault location, diagnostics, and repair by NI any time the system product fails
  • All parts and labor costs covered as well as any adjustments needed to restore the hardware to manufacturing specifications

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