The NI PXI-5661 is a modular 2.7 GHz RF vector signal analyzer with digital downconversion. It combines a PXI-5600 RF downconverter and a PXI-5142 IF digitizer.
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Key product information and technical features.
The PXI-5661 provides RF signal acquisition and analysis in a compact 3U PXI system. Its onboard quadrature digital downconversion reduces the data payload transferred to the host.
This model identifies a multi-module instrument, not a single standalone card. NI's getting-started guide describes installation, configuration, and testing of the downconverter and IF digitizer using NI-RFSA.
Verified product specifications.
| RF analyzer frequency range | 9 kHz to 2.7 GHz |
|---|---|
| Instantaneous bandwidth | 20 MHz |
| Instrument width | 4 slots |
| Bus connection listed by NI | PXI Hybrid |
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Manufacturer
Modular instrumentation platform
RF vector signal analyzer
RF downconverter
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Product-specific answers based on available technical information.
No. NI identifies the PXI-5661 as an RF vector signal analyzer.
The instrument comprises the PXI-5600 RF downconverter and PXI-5142 IF digitizer. Confirm the supplied hardware separately.
NI specifies NI-RFSA as the instrument driver used to program the PXI-5661.