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NI PXI-2590

1.3 GHz Multiplexer Switch

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  • Excellent insertion loss, VSWR, and isolation specifications
  • 4x1 bidirectional multiplexer
  • High-bandwidth nonterminated relays
  • 50 Ω characteristic impedance
  • Note: The PXI-2590 is going EOL and being replaced by the PXI-2594 2.5 GHz RF multiplexer
  • Last buy date is April 15, 2008


The National Instruments PXI-2590 is a general-purpose, four-channel RF multiplexing switch module for use in automated measurements. The NI PXI-2590 uses single-pole double-throw high-bandwidth relays capable of switching signals from DC to 1.3 GHz. The characteristic impedance of the channels is 50 Ω. The maximum rated voltage of the switch is 24 VDC, and the maximum rated current is 1 ADC.

Note: The PXI-2590 is being replaced by the NI PXI-2594 2.5 GHz 4x1 RF multiplexer. The PXI-2594 provides improved bandwidth peformance at a similar price and serves as a form, fit, and function replacement for the PXI-2590.

Part Number Description Est Ship  US Dollars Qty
NI PXI-2590
778546-35NI Switch Executive Development System, Include 1 Year SSP5 - 10$ 1,245.00

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  • Installation and integration test of all individual hardware
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  • Extended warranty and calibration coverage for up to five years
  • Custom documentation plus a custom restore and startup utility

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

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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
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