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Highlights

High-Performance Multifunction Switch / Measure Units On A Cost Saving, Flexible Platform

The Keysight 34980A multifunction switch / measure mainframe and modules provide functionality that is easy to set up and use. The 34980A helps you lower your cost of test and accelerate your test system integration and development.

  • accommodates up to eight plug-in modules
  • built-in DMM with 6½ digits (22 bits) of resolution
  • integrates into test and data acquisition systems with standard connectors and software drivers
  • standard LAN, USB, and GPIB connectivity to PC, LXI compliant
  • scan rates of up to 1000 channels/second
  • controls external devices such as microwave switches, attenuators, solenoids, and power relays
  • up to 560 2-wire mux or 4096 matrix cross-points in one mainframe

Download BenchVue Basic app for free to control your instruments.

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Mix And Match Modules To Customize Your Configuration

The 34980A switch / measure unit mainframe holds up to eight plug-in modules. This allows you to customize the system configuration to your application requirements. Buy the modules you need now and easily add or replace modules as your needs change.

Choose from 21 different modules. The 34980A system offers high-density multiplexers for scanning multiple channels, matrices for connecting multiple points at one time, and general-purpose switches for simple control and high power needs.

34980A benefit image

Key Specifications

Slots / Modules

8 / 21

Max Volts

± 300 V

Max BW

45 MHz

Max Scanning Speed

1,000 ch/sec

Max Switch / Carry Current

5 A / 8 A

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Find The Model That's Right For You

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34980A
Multifunction Switch / Measure Unit 
Starting from  
8-slot modular mainframe with built-in DMM and 21 plug-in modules in switching to 50GHz, digital I/O, D/A converter, counter/totalizer functionality.
34921A
40-Channel Armature Multiplexer for 34980A 
Starting from  
Dense, multi-function switching up to 300 V, 1 A with built-in thermocouple reference junction and 4 current channels routed directly to the internal DMM.
34922A
70-Channel Armature Multiplexer for 34980A 
Starting from  
High density, multi-function switching up to 300 V, 1 A with 100 channel/second scan rates to an internal DMM.
34923A
40/80 Channel Reed Multiplexer for 34980A 
Starting from  
High-speed, 1- or 2-wire multiplexer can switch up to 150 V peak, 0.5 A with 500 channel/second scan rates to an internal DMM.
34924A
70-Channel Reed Multiplexer for 34980A 
Starting from  
High-density, high-speed multiplexer can switch up to 15 0V peak, .5 A with 500 channel/second scan rates to an internal DMM.
34925A
40/80 Channel Optically Isolated FET Multiplexer for 34980A 
Starting from  
High-speed, 1- or 2-wire multiplexer can switch up to +/-80V peak, 50mA with over 1000 channel/second scan rates to an internal DMM.
34931A
Dual 4x8 Armature Matrix for 34980A 
Starting from  
Connect 64 2-wire cross-points in dual 4x8, 8x8, or 4x16 configurations.
34932A
Dual 4x16 Armature Matrix for 34980A 
Starting from  
Connect 128 2-wire cross-points in dual 4x16, 8x16, or 4x32 configurations.
34933A
Dual/Quad 4x8 Reed Matrix for 34980A 
Starting from  
Connect 64 2-wire or 128 1-wire cross-points with high speed reed relays.
34934A
Quad 4x32 Reed Matrix for 34980A 
Starting from  
Connect 512 cross-points in selectable 1- or 2-wire configurations.
34937A
32-Channel FormC/Form A General Purpose Switch for 34980A 
Starting from  
Most flexible general purpose module with 28 1A Form C relays and 4 high power relays for switching up to 5 A, 150 W.
34938A
20-Channel 5A Form A Switch for 34980A 
Starting from  
Twenty high power general purpose Form A relays can switch up to 5 A, 150 W.
34939A
64-Channel Form A General Purpose Switch for 34980A 
Starting from  
Highest density general purpose switch module with 64 Form A relays with 1 A switch/ 2 A carry current.
34941A
Quad 1x4 50 Ohm 3 GHz Multiplexer Module for 34980A 
Starting from  
Route signals up to 3 GHz through any of four independent 1x4 multiplexers.
34942A
Quad 1x4 75 Ohm 1.5 GHz Multiplexer Module for 34980A 
Starting from  
Route high frequency signals through any of four independent 1x4 multiplexers.
34945A
Switch/Attenuator Driver for 34980A 
Starting from  
Control switches or attenuators external to the 34980A Mainframe.
34946A
Dual 1x2 SPDT Terminated Microwave Switch Module for 34980A 
Starting from  
Route signals up to 26.5 GHz through two independent SPDT 1x2 terminated switches.
34947A
Triple 1x2 SPDT Unterminated Microwave Switch Module for 34980A 
Starting from  
Route signals up to 26.5 GHz through three independent SPDT 1x2 unterminated switches.
34950A
64-bit Digital I/O with Memory and Counter for 34980A 
Starting from  
64 bits of bidirectional lines with memory for pattern simulation and capture.
34951A
4-Channel D/A Converter with Waveform Memory for 34980A 
Starting from  
Four analog channels that can output up to +/-16 V DC or +/-20 mA DC with 1Mbye of memory for creating waveforms.
34952A
Multifunction Module with 32-bit DIO, 2-ch D/A and Totalizer for 34980A 
Starting from  
Combines 32-bits of digital I/O, a 100 kHz gated totalizer, and two +/- 12V analog outputs in one module.
34959A
Breadboard Module for 34980A 
Starting from  
Allows for custom designs to be integrated in the 34980A mainframe.
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Featured Resources

Brochures 2024.12.10

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Data Sheets 2024.03.25

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Product Fact Sheets 2019.09.02

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Product fact sheet describing key features of the Keysight 34980A.

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Brochures 2017.11.30

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This brochure describes Keysight's RF and Microwave Switching Solutions and includes the product groups and key specifications.

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Brochures 2020.09.03

PXI and AXIe Instruments, Software, Reference Solutions and Services

PXI and AXIe Instruments, Software, Reference Solutions and Services

This brochure provides an overview of Keysight's PXI and AXIe instrument, software, solutions, and services offering.

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Application Notes 2014.08.01

Comparing the PXI and 34980A Switch Measurement Applications

Comparing the PXI and 34980A Switch Measurement Applications

Compare PXI card cage solutions and the 34980A switch / measure unit to determine which platform meets your needs for electronic functional test and data acquisition.

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Application Notes 2019.10.03

Modular Products 34980A Measurements Made Easy

Modular Products 34980A Measurements Made Easy

This document includes examples with detailed steps needed to make measurements using the modular product 34980A multifunction switch / measure unit.

2019.10.03

Application Notes 2017.12.04

Achieve Accurate Resistance Measurements

Achieve Accurate Resistance Measurements

Read an overview of how to make accurate 2-wire, 3-wire and 4-wire resistance measurements with the Keysight 34980A Multifunction Switch Measure Unit.

2017.12.04

Application Notes 2014.08.02

Burn-In Test with the 34980A Multifunction Switch / Measure Unit

Burn-In Test with the 34980A Multifunction Switch / Measure Unit

Learn how LXinstruments, a Keysight solutions partner, solved the complexities of burn-in test using the 34980A switch / measure unit.

2014.08.02

View All Resources

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