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NI (National Instruments) · PXI

PXIe-2748

The NI PXIe-2748, part number 780587-48, is a 16x1 RF multiplexer switch module with a PXI Express interface. It provides 3 GHz switch bandwidth and 50 Ω characteristic impedance.

ManufacturerNI (National Instruments)

ModelPXIe-2748

Part Number780587-48

Product TypePXIe, 3 GHz, 16x1 PXI RF Multiplexer Switch Module

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Bus ConnectionPXI Express

Maximum Switching Voltage AC30 V

Relay TypeElectromechanical

Switch Bandwidth3 GHz

Characteristic Impedence50 Ohm

Max Insertion Loss3 dB

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Overview

Product overview

Key product information and technical features.

The PXIe-2748 is an RF multiplexer for the PXI ecosystem, using a PXI Express bus connection. Its 16 channels are arranged in one bank with a 16x1 switching configuration, supporting RF switching up to 3 GHz.

The module uses electromechanical relays and has a 50 Ω characteristic impedance. Its listed maximum insertion loss is 3 dB. Consult the NI specifications and user manual for operating conditions and routing details before integrating it into a test system.

16 channels arranged in one bank, with 16 rows and one column.
3 GHz switch bandwidth with 50 Ω characteristic impedance.
Electromechanical relay switching.
Maximum switching voltage of 30 V AC and 30 V DC.
1-wire operation with row access and no termination.
Listed scan rate of 102 cycles/s.

Verified specifications

Technical data

Verified product specifications.

Bus Connection	PXI Express
Maximum Switching Voltage AC	30 V
Relay Type	Electromechanical
Switch Bandwidth	3 GHz
Characteristic Impedence	50 Ohm
Max Insertion Loss	3 dB
Number of Channels	16
Number of Banks	1
Termination	No
Supported Hardware Platform	PXI
Maximum Carry Current AC	0.5 A
Maximum Switching Current DC	0.5 A
Maximum Switching Voltage DC	30 V
Mode (n-wire)	1-wire
Number of Columns	1
Number of Rows	16
Row Access	Yes
Scan Rate	102 cycles/s
NI part numbers	780587-48

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NI

Manufacturer

PXI

Supported Hardware Platform

PXIe-2748

This product

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Getting Started (NI)Getting Started · ni.com

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

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Specifications (NI)Specifications · ni.com

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User Manual (NI)User Manual · 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 switching configuration of the PXIe-2748?

It is a 16x1 RF multiplexer with 16 channels in one bank, arranged as 16 rows and one column.

What bandwidth and impedance does the PXIe-2748 provide?

The listed switch bandwidth is 3 GHz, and the characteristic impedance is 50 Ω.

Does the PXIe-2748 use PXI Express?

Yes. It belongs to the PXI platform and uses a PXI Express bus connection. Confirm the intended chassis slot and system software support before integration.

What are its voltage and current ratings?

The listed maximum switching voltage is 30 V AC and 30 V DC. Maximum AC carry current is 0.5 A, and maximum DC switching current is 0.5 A. Carry-current and switching-current ratings describe different operating conditions; consult the NI specifications before use.

What is the NI part number for this model?

The supplied verified catalog data identifies part number 780587-48 for the PXIe-2748.