• What is a floating power supply output?

    What is a floating power supply output? First let me tell you that a floating power supply output is NOT what is shown below in Figure 1 (haha).  Now some background: "earth ground" is the voltage potentia...
    StevenLee
    created by StevenLee
  • Get ±25 volts from a DC bench power supply and easily set up symmetrical voltages

    Typically, power supply users require only positive voltage for their testing as opposed to negative voltage. However, there are instances where you may need negative voltage from a power supply. Driving devices such ...
    StevenLee
    last modified by StevenLee
  • DC power supply output impedance characteristics

    In a previous posting; “How Does a Power Supply regulate It’s Output Voltage and Current?” I showed how feedback loops are used to control a DC power supply’s output voltage and curre...
    StevenLee
    last modified by StevenLee
  • The difference between constant current and current limit in DC power supplies

    Constant Voltage/Constant Current (CC/CV) Power Supplies In most of our discussions in “Watt’s Up?” on current limiting we have primarily talked about power supplies as having a constant current (CC)...
    StevenLee
    last modified by StevenLee
  • What can cause a power supply output voltage to exceed its setting?

    Today I want to talk about what causes an overvoltage condition. An overvoltage condition is a condition that causes the power supply output voltage to exceed its setting. Let’s take a look at some of the things...
    StevenLee
    last modified by StevenLee
  • Power supply current source-to-sink crossover characteristics

    A two-quadrant power supply is traditionally one that outputs unipolar voltage but is able to both source as well as sink current. For a positive polarity power source, when sourcing current it is operating in quadran...
    StevenLee
    last modified by StevenLee
  • "Power Up Your Bench Contest" Week #6 Winner!

    Our "Power Up Your Bench Contest" Week #6 winner is Jon Snowman.   Here is Jon's story:   Background I’m an engineer who was inspired at high school to learn electronics, and I have continued it as ...
    StevenLee
    last modified by StevenLee
  • "Power Up Your Bench Contest" Week #5 Winner!

    Our "Power Up Your Bench Contest" Week #5 winner is Rafael Souza. See a video of his story here Congratulations Rafael.  We are sending you our branding new E36312A!   Don't miss out.  Submit your ent...
    StevenLee
    last modified by StevenLee
  • "Power Up Your Bench Contest" Week #4 Winner!

    Our "Power Up Your Bench Contest" Week #4 winner is Martin Glunz from Germany   Here is Martin's story...   1. Purpose of this document Entry to Keysight "Power Up Your Bench” contest   ...
    StevenLee
    last modified by StevenLee
  • "Power Up Your Bench Contest" Week #3 Winner!

    Our "Power Up Your Bench Contest" Week #3 winner is John Hubert.   Here is John's story: I work for a RF transmitter company called Nautel Ltd., my time is spent doing customer service testing and repairing ...
    StevenLee
    last modified by StevenLee
  • How Auto-Parallel Capability Extends the Range of Your Bench Power Supply

    There may be times when you need when more current than your DC bench power supply can provide. In these situations, there are traditionally two ways to go. You could add another similar power supply and parallel the ...
    StevenLee
    last modified by StevenLee
  • Keysight Technologies Introduces Next-Generation Triple-Output Power Supplies

    New 80-W and 160-W programmable DC bench power supplies provide best-in-class ease of use, modern connections and multi-channel display Simultaneously displays all three color-coded channels on a 4.3” color LC...
    StevenLee
    last modified by StevenLee
  • "Power Up Your Bench Contest" Week #2 Winner!

    our "Power Up Your Bench Contest" Week #2 winner is Basanta Bhattarai from Helsinki, Finland!  Basanta's story is about how the E36312A will be able to provide safe and reliable power for his drone project.&...
    titbin
    last modified by titbin
  • "Power Up Your Bench Contest" Week #1 Winner!

    Our "Power Up Your Bench Contest" Week #1 winner is Rushiraj Jawale from University of Mumbai, India!  His story is about how the E36300's dual and triple output will be able to power his differential amplifiers ...
    titbin
    last modified by titbin
  • Want to win a brand new Keysight E36312A Triple Output DC Power Supply?

    Just tell us how a new Keysight power supply will help you “Power Up Your Bench”. Go to the website: www.keysight.com/find/PowerUpYourBench and upload a story, picture or video today! There will be 22 ne...
    StevenLee
    last modified by StevenLee
  • How can I get more power from my power supplies?

    How can I get more power from my power supplies? If you need more voltage than one of your power supply outputs can provide, you can put power supply outputs in series to increase the total voltage. If you need more c...
    StevenLee
    last modified by StevenLee
  • Tips to Protect Your DUT Against Overvoltage

    StevenLee
    last modified by StevenLee
  • Why do I measure voltage to earth ground on a power supply with a floating output?

    Occasionally, one of our power supply users contacts us with a question about voltages measured from one of the power supply output terminals to earth ground (same as chassis ground). All of our power supply outputs a...
    StevenLee
    last modified by StevenLee
  • Watts and volt-amperes ratings – what’s the difference and how do I choose an inverter based on them?

    Previously I posted about hurricane Irene and inverters. In that post (click here to read), I talked about the power ratings for inverters and just skimmed the surface about the differences between ratings in wat...
    StevenLee
    last modified by StevenLee
  • Types of current limits for over-current protection on DC power supplies

    On a previous posting “The difference between constant current and current limit in DC power supplies”, I discussed what differentiates a DC power supply having a constant current operation in compari...
    StevenLee
    last modified by StevenLee