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Sensing & Measurement

Intermediate frequency transceivers

National Instruments

National Instruments has announced the NI PXIe-5641R RIO IF transceiver, the company's most recent device for RF test. The NI PXIe-5641R is a dual-input, dual-output module that combines an intermediate frequency (IF) transceiver with reconfigurable I/O (RIO) capability using a Xilinx Virtex-5 SX95T field-programmable gate array (FPGA) and PXI Express technology.

With this new module, engineers can take advantage of the applications such as RF test, software-defined radio, signal intelligence and communication system design. With the NI PXIe-5641R IF transceiver, engineers have the ability to incorporate customized, real-time RF stimulus and response into their test, measurement and communication systems through user-programmable FPGAs on RIO hardware. The test hardware then becomes protocol-aware. Protocol-aware or real-time test is beneficial in applications such as RFID tag testing, cellular base station emulation or any hardware-in-the-loop RF testing. For communications applications such as software-defined radio and signal intelligence, engineers can use FPGAs to prototype and implement new communication standards and perform real-time signal analysis and event detection.

The NI PXIe-5641R has two 14-bit, 100 MS/s analog-to-digital converters (ADCs) with built-in 20 MHz bandwidth digital downconverters (DDCs), and two 14-bit, 200 MS/s digital-to-analog converters (DACs) with built-in 20 MHz bandwidth digital upconverters (DUCs). Because of these NI RF upconverters and downconverters, the NI PXIe-5641R can support RF frequencies up to 2.7 GHz, making the module ideal for spectral monitoring and signal intelligence as well as real-time RF test.

www.ni.com/transceivers