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DC Power Supply

Power to Advance your Test

Our broad selection of both bench-friendly and system-ready instruments can meet your testing challenges - from basic to complex - with a wealth of available capabilities.

  • Test confidently with clean, precise DC power that's fully specified and guaranteed
  • Safeguard loads from potential harm with robust output protection and fault detection capabilities
  • Enhance system flexibility with built-in, DMM-quality measurement functions

Now Even More Power! Over 50 new models from 1 to 15 kW

BenchVue software enabled: Do more with your PC and instrument together, no programming required. Easily control your power supplies to set parameters and quickly build automated tests on your PC.

Compare and select the best power supply for your application: View all power supplies

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4 Ways to Build Your Power Supply Skill Set
Get four quick tips to help you get more from your power supply and build your power supply skill set.

Brochure 2018-04-17

PDF PDF 4.24 MB
Faster and easier 14-bit ADC evaluation - Application Brief
This 2-page introduces the Keysight B2962A Power Source, 6.5 digit resolution, low noise performance and great linearity of which speed up and simplify ADC testing.

Application Note 2018-03-15

PDF PDF 425 KB
Improve debug efficiency and avoid errors - Application Brief
This 2-page introduces the Keysight B2961A/62A Power Source and how its functions help prevent errors and device damage and improve debug efficiency. B2961A/B2962A 6.5 digit Low Noise Power Source.

Application Note 2018-03-15

PDF PDF 502 KB
Low-Cost Power Sources Meet Advanced ADC and VCO Characterization Requirements – Application Note
This application note shows how the low-cost Keysight B2961A/B2962A 6.5 digit power sources can characterize 14-bit ADC circuits and VCOs requiring a 10 microvolt RMS noise floor.

Application Note 2018-03-15

PDF PDF 3.08 MB
Network analyzer evaluation of RF amplifier using 2961A/62A - Application Brief
This 2-page introduces the Keysight B2961A/62A Power Source and how to perform MMIC RF amplifier S-parameter measurements using it as the DC bias source.

Application Note 2018-03-15

PDF PDF 1.19 MB
Making Low Resistance Measurements Using the B2961A and 34420A - Application Brief
This Application Brief introduces the B2961A/ B2962A Power Source combined with the 34420A which satisfies the requirement on the precise low resistance measurements.

Application Note 2018-03-15

PDF PDF 960 KB
E36300 Series Triple Output Bench Power Supply - Data Sheet
This data sheet describes the features and specifications of the new E36300 series power supply family which includes the E36311A, E36312A and E36313A.

Data Sheet 2018-03-14

E36100B Series DC Power Supplies 3D Model, STEP Format
This is a STEP format 3D Model of the E36102B, E36103B, E36104B, E36105B and E36106B Power Supply.

Application Note 2018-03-13

ZIP ZIP 1.01 MB
E36311A Power Supply 3D Model, STEP Format
This is a STEP format 3D Model of the E36311A Power Supply.

Application Note 2018-03-13

ZIP ZIP 1.67 MB
E36312A and E36313A Power Supplies 3D Model, STEP Format
This is a STEP format 3D Model of the E36312A and E36313A Power Supplies.

Application Note 2018-03-13

ZIP ZIP 2.41 MB
Precise Low Resistance Measurements Using the B2961A and 34420A - Application Note
This application note describes how to find the optimal test current for precise low resistance measurement using the Keysight B2961A in conjunction with the Keysight 34420A.

Application Note 2018-03-12

Measuring Battery Life on Battery-Powered Medical Devices - Application Note
This application notes is to describe how to measure battery life on battery-powered medical devices, consideration for battery run-down test and burden voltage impacts towards current measurement.

Application Note 2018-03-12

Precise VCO Characterization using the B2962A Low Noise Power Source - Application Brief
This 1-pager introduces the Keysight B2962A Power Source which satisfies the phase noise requirements for testing most VCOs.

Application Note 2018-03-09

PDF PDF 1.04 MB
GPIO-BNC Trigger Adapter Simplifies Triggering Connections - Application Brief
This 2-pager introduces the GPIO-BNC Trigger Adapter which makes it easy to send and receive trigger signals between Keysight B2900A Series products and other instruments with BNC triggering connection.

Application Note 2018-03-09

PDF PDF 1.68 MB
Device Evaluation using the B2961/B2962A Ultra Low Noise DC Source - Application Brief
This short document summarizes the B2961A/B2962A power sources which allows ultra-clean voltage sourcing required for the development of noise sensitive devices such as VCO, ADC, etc.

Application Note 2018-03-08

Using the U8030 Series Power Supply Output Sequencing Feature - Application Note
This document presents three test applications that demonstrate the output sequencing capability of the U8030 Series power supply.

Application Note 2018-03-01

PDF PDF 1.13 MB
N2820/1A High-Sensitivity Current Probes User's Guide
Describes how to use, and the characteristics of the N2820A/N2821A high-sensitivity current probes.

User Manual 2018-02-13

PDF PDF 4.83 MB
A New Standard in Precision Current Stability and Programming Accuracy - BiRa Systems
An Integrated DC Power Solution from Keysight Technologies and BiRa Systems Inc.

Solution Brief 2018-02-12

E36100B Series Programmable DC Power Supplies - Data Sheet
This datasheet describes the features and specifications of the E36100B series power supply family which includes the e36100B series, specifically models: e36102B, e36103B, e36104B, e36105B, e36106B.

Data Sheet 2018-02-03

PDF PDF 2.40 MB
Quarterly Basic Instruments Flyer
Keysight’s essential instruments for every engineer. Are you building a general purpose bench? Start here to see our solution set for fundamental measurements and device characterization. Flyer spotlights a new tip or technology each quarter.

Brochure 2018-02-01

PDF PDF 983 KB
Keysight E36100B Series DC Power Supplies - Product Fact Sheet
The Keysight E36100B Series Bench Power Supplies save space on your bench or in a rack with the compact, ¼-rack form factor, easily connects with full LXI LAN and USB, and powers your DUT with confidence through excellent accuracy in programming and readback.

Brochure 2018-01-26

PDF PDF 1.20 MB
[ECU Testing] Instantly Automate the Tests You Need Now

Brochure 2018-01-16

PDF PDF 535 KB
Paving the Way for Research and Innovations - Brochure
This is a selection guide for engineering researchers. It highlights the key research areas that Keysight is involved in, and solutions that can help to meet the research & development objectives.

Brochure 2018-01-11

PDF PDF 5.72 MB
5 Tips for Optimizing Battery Drain on IoT Devices - Application Note
Optimizing battery run time usually requires the design team to use several different test methods to gain insights that go well beyond just validating battery run time.

Application Note 2018-01-09

PDF PDF 1.52 MB
The parametric Measurement Handbook, Rev 4
This 2018, Rev 4 handbook describes how to evaluate accurate current, voltage, or capacitance measurement by explaining parametric measurement basic

Brochure 2018-01-08

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