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NI (National Instruments) · PXI

PXIe-2541

The NI PXIe-2541 is a 300 MHz, 8×12 RF matrix switch module for PXI Express systems. It provides 96 crosspoints using reed relays and has a 50 Ω characteristic impedance.

ManufacturerNI (National Instruments)

ModelPXIe-2541

Part Number780587-41

Product TypePXIe, 300 MHz, 8x12 PXI RF Matrix Switch Module

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Switch Bandwidth300 MHz

Crosspoints96

Scan Rate100 cycles/s

Bus ConnectorPXI Express

Maximum Carry Current AC0.5 A

Maximum Switching Voltage AC42.4 Vpk

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Overview

Product overview

Key product information and technical features.

The PXIe-2541 is an RF signal switching matrix with a non-blocking design that supports simultaneous connections between rows or columns within the matrix. Its 8×12 architecture provides 96 crosspoints in a single bank.

Isolation relays disconnect unused portions of the switching matrix to support RF performance and isolation. The module combines a PXI Express interface with 300 MHz switch bandwidth and 50 Ω characteristic impedance.

8×12 matrix architecture with 96 crosspoints and row access.
300 MHz switch bandwidth with 50 Ω characteristic impedance.
Reed-relay switching in 1-wire mode.
Scan rate of 100 cycles/s.
Isolation relays disconnect unused matrix sections.

Verified specifications

Technical data

Verified product specifications.

Switch Bandwidth	300 MHz
Crosspoints	96
Scan Rate	100 cycles/s
Bus Connector	PXI Express
Maximum Carry Current AC	0.5 A
Maximum Switching Voltage AC	42.4 Vpk
Relay Type	Reed
Characteristic Impedence	50 Ohm
Number of Rows	8
Number of Columns	12
Supported Hardware Platform	PXI
Bus Connection	PXI Express
Max Insertion Loss	-2.1 dB
Maximum Switching Current DC	0.5 A
Maximum Switching Voltage DC	60 V
Mode (n-wire)	1-wire
Number of Banks	1
Number of Channels	96
Number of Relays	96
Row Access	Yes
NI part numbers	780587-41

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NI

Manufacturer

PXI

Supported Hardware Platform

PXIe-2541

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Letter Of Volatility (NI)Letter Of Volatility · ni.com

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Getting Started (NI)Getting Started · ni.com

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Specifications (NI)Specifications · ni.com

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Dimensional Drawings (NI)Dimensional Drawings · ni.com

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Product Page (NI)Product Page · ni.com

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FAQ

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Product-specific answers based on available technical information.

What is the PXIe-2541 matrix configuration?

It has 8 rows and 12 columns, providing 96 crosspoints in one bank.

What bandwidth and impedance does the module provide?

The PXIe-2541 has a switch bandwidth of 300 MHz and a characteristic impedance of 50 Ω.

What relay technology does the PXIe-2541 use?

It uses reed relays and operates in 1-wire mode.

What are its voltage and current limits?

The recorded maximum switching voltages are 42.4 Vpk AC and 60 V DC. Maximum DC switching current is 0.5 A; the recorded AC carry-current limit is 0.5 A. Carry current and switching current are distinct ratings; consult the NI specifications for operating conditions.

What is the scan rate?

The specified scan rate is 100 cycles/s.