Modular Systems > National Instruments > PXI Vector Signal Transceivers
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PXIe-5646R, 3 Slot, 6 GHz Frequency, SMA Female Connectors, PXI Vector Signal Transceiver
National Instruments PXIe-5646R Vector Signal Transceiver
The PXIe-5646R (Part Numbers: 782952-01, 784759-01) from National Instruments is a versatile PXI Express (PXIe) Vector Signal Transceiver that integrates the capabilities of both Vector Signal Analyzers (VSAs) and Vector Signal Generators (VSGs) into a single device. The "R" in the model name indicates that this transceiver features a reconfigurable FPGA, allowing users to customize signal processing and measurement tasks. This device provides access to software-designed instrumentation technology, enabling sophisticated RF design and testing applications, including 5G testing and radar prototyping. The PXIe-5646R combines RF instrument-class performance with the adaptability of a software-defined radio architecture.
The difference between the two part numbers of the PXIe-5646R is not explicitly documented in the manual, and the claim that 784759-01 is a "legacy version" is unverified. It would be best to confirm this with NI or remove this detail. The PXIe-5646R is equipped with an instantaneous and scalable bandwidth of up to 200 MHz and operates within a frequency range of 65 MHz to 6 GHz. This Vector Signal Transceiver features 1 GB of onboard DRAM (two 512 MB banks) for signal processing, along with 2 MB of onboard SRAM. Designed with an onboard Xilinx Virtex-6 LX240T FPGA, the PXIe-5646R delivers powerful processing capability in a compact PXIe form factor.
The front panel of the transceiver includes SMA female connectors for a variety of RF and reference signal inputs and outputs, including RF IN 0, RF OUT 0, CAL IN, CAL OUT, LO IN, LO OUT, REF IN, and REF OUT. The digital I/O connections for the device are facilitated through a VHDCI connector on the front panel. Designed for indoor use, the PXIe-5646R can withstand an operating shock of 30 g with an 11 ms pulse. In terms of random vibration, the device withstands up to 0.3 grms from 5 Hz to 500 Hz in operation and 2.4 grms when not in use.
For optimal performance, the PXIe-5646R should be operated within a temperature range of 0 °C to 55 °C. When not in use, the module can be stored in a temperature range of -40 °C to 71 °C. The VST measures 6.1 cm × 12.9 cm × 21.1 cm (2.4 in. × 5.6 in. × 8.3 in.) and weighs 1,360 g (48.0 oz).
| Model Name | PXIe-5646R |
|---|---|
| Part Numbers | 782952-01, 784759-01 |
| Part Type | PXI Vector Signal Transceiver |
| Connector Type | SMA Female |
| FPGA | Xilinx Virtex-6 LX240T |
| Operating Temp Range | 0 °C to 55 °C |
| Storage Temp Range | -40 °C to 71 °C |
| Dimensions | 6.1 cm × 12.9 cm × 21.1 cm (2.4 in. × 5.6 in. × 8.3 in.) |
| Weight | 1,360 g (48.0 oz) |
| Memory | 1 GB DRAM (2 × 512 MB), 2 MB SRAM |
| Frequency Range | 65 MHz to 6 GHz |
Associated part numbers for PXIe-5646R:
National Instruments PXIe-5646R Frequently Asked Questions
Question: What is the frequency range and bandwidth of the NI PXIe-5646R?
Answer: The PXIe-5646R Vector Signal Transceiver is perfect for uses like 5G testing, radar prototyping, and wireless communication development because it operates in the frequency range of 65 MHz to 6 GHz. With a scalable instantaneous bandwidth of up to 200 MHz, it enables versatile signal analysis and production. It is an effective instrument for sophisticated RF testing because of its high bandwidth and broad frequency range.
Question: How does the FPGA in the PXIe-5646R enhance signal processing capabilities?
Answer: A Xilinx Virtex-6 LX240T FPGA, which powers the PXIe-5646R, allows for sophisticated filtering, bespoke modulation, and real-time signal processing. To create unique radio frequency algorithms for high-performance applications, users can program the FPGA using the LabVIEW FPGA and NI Instrument Design Libraries. Software-defined radio (SDR) and high-speed test automation depend on this hardware acceleration since it enables low-latency signal synthesis and analysis.
Question: What are the key connectivity options available on the PXIe-5646R?
Answer: SMA connectors for calibration signals, local oscillator (LO) input/output, and RF signal input/output are included on the PXIe-5646R. It has a VHDCI digital I/O connector for triggering and real-time interface, as well as REF IN/OUT for external clock synchronization. Synchronization with other PXI Express instruments and smooth integration into intricate RF test systems are made possible by these broad I/O capabilities.
Question: What chassis is required to use the PXIe-5646R Vector Signal Transceiver?
Answer: A PXI Express (PXIe) chassis, like the NI PXIe-1075, and an embedded or MXI-based PXIe controller are needed for the PXIe-5646R. It takes up three adjacent PXIe spaces; compatibility with PXIe is required for the remaining two slots. For demanding RF applications, using the appropriate PXIe chassis guarantees peak performance, fast data transfer, and low-latency signal processing.
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