• What Time Synchronization Means for Your Multi-Channel RF Measurements

    In a rock band, the drummer keeps the beat steady and the other musicians follow the rhythm. The drummer keeps the entire band in synch. The same concept is true when you integrate multiple instruments into a test sys...
    EricHsu
    last modified by EricHsu
  • EMC Compliance Process & Regulatory Standards

    Electromagnetic compatibility (EMC) is the branch of electronics that concerns the unintentional generation, propagation, and reception of electromagnetic energy.  The formal process of compliance testing ensures...
    Vandana Duff
    last modified by Vandana Duff
  • Complete your EMC conducted emissions testing in just 7 steps

    There are two kinds of EMC Pre-Compliance tests you can perform – radiated and conducted.  Today, we will review conducted emissions testing – what it is and why it’s important.  For a simi...
    Vandana Duff
    last modified by Vandana Duff
  • Get It Right Every Time with Pre-Compliance Testing

    A big question that you might have is, what is the difference between Pre-Compliance and Compliance testing?  What makes Pre-Compliance important?  Pre-Compliance is a low risk, cost effective method to ensu...
    Vandana Duff
    last modified by Vandana Duff
  • EMC Basics: What is Radiated Emissions & Immunity Testing?

    After reading my last blog you’ve been given a brief intro on What are EMC & EMI Measurements and why it is important to measure for to ensure your device is pre-compliant.   In this blog we’...
    nickben
    last modified by nickben
  • EMC Basics: What are EMC & EMI Measurements and Why We Care

    Introduction: Conceptualizing your next product, designing it, and then releasing it to market are more or less the main phases encountered during a product development cycle. But what if you had gotten as far as fin...
    nickben
    last modified by nickben
  • The Four Ws of Harmonic Distortion

    In the previous edition of The Four Ws, I reviewed the fundamentals of adjacent channel power (ACP). This time I’m discussing the WHAT, WHY, WHEN and WHERE of harmonic distortion measurements. Measuring harmonic...
    nickben
    last modified by nickben
  • Low SNR Measurements: How Close to Noise is Too Close?

    Originally posted Sept 25, 2013   Understanding when the errors will become a problem In this space, we’ve already talked about how the universe may be noisier than you think and described how noise a...
    benz
    last modified by benz
  • Why Measuring in the Time Domain and Frequency Domain Is the Same, but Not

    Like any RF engineer, there comes a time in your product’s design cycle that you need to test your device to make sure it’s behaving as you expect. There are different ways you can view your device’s...
    nickben
    last modified by nickben
  • Sadly, Aging is Happening to Me, to You and to Your Signal Analyzer

      Fortunately, we can make things better—for your signal analyzer   Note from Ben Zarlingo: This guest post comes to us from Bill Scharf, a Keysight engineer with long experience in microwave sig...
    benz
    last modified by benz
  • More Cost-Effective RF Power Measurements

      In praise of the humble power sensor It’s always nice to get a reality check from a fellow RF engineer, and Keysight’s Eric Breakenridge recently delivered one in the form of an explanation of the c...
    benz
    last modified by benz
  • Making Sense of Battery Power and RF Power

      Understand, anticipate, and respect your power limitations Are IoT and other smart/connected devices the biggest wireless opportunity right now, or the biggest source of hype? I suppose they can be both at the ...
    benz
    last modified by benz
  • The Four Ws of Adjacent Channel Power

      Are you a good spectral citizen?   Note from Ben Zarlingo: This is the third in our series of guest posts by Nick Ben, a Keysight engineer. In this post he provides an overview of adjacent channel power, a...
    benz
    last modified by benz
  • RF Interference Will Hobble Us Before the Spectrum Apocalypse Arrives

      Spectrum crowding is bad, but I think interference is worse He’s guilty of some degree of hyperbole, but Lou Frenzel highlights a fundamental issue in his recent column Spectrum Apocalypse: The Coming Dea...
    benz
    last modified by benz
  • Keeping up with Measurement “Fundamentals”

      While some are timeless, others evolve This post will be brief, partly a consequence of the wildfires that have affected the Santa Rosa headquarters of Keysight and modified all our schedules, at least a littl...
    benz
    last modified by benz
  • Dawn of the Vector Signal Analyzer

      A new RF tool leveraged two evolving technologies These days, vector signal analyzers (VSAs) are in broad use, especially in wireless, aerospace, and defense applications. They’re essential for designing ...
    benz
    last modified by benz
  • Unintended Oscillations and Interference Problems

      Avoiding extra functionality in your circuits A common saying among electrical engineers is that if you want an oscillator, try building an amplifier. This is all too often accurate, and unwanted oscillations i...
    benz
    last modified by benz
  • One Solution to Complexity: Focus on the Most Common Measurement Errors

      A pre-filter to manage an excess of information In the first two decades of the modern spectrum analyzer—say from the 1960s to the 1980s—it was arguably possible for an RF engineer to know almost ev...
    benz
    last modified by benz
  • Better Millimeter-wave Measurements with New Preselection Technology

      When gems turn to coal, engineers get creative Despite their flaws, I have described YIG preselector filters as the gems in microwave signal analyzers. These preselectors solve a problem created when mixers are...
    benz
    last modified by benz
  • Measurement Techniques and Strategies for the Interference of Things

      Bring your best engineering game, and use all the measurement tools available The term Internet of Things (IoT) has been around a few years, and sometimes it feels over-hyped. When some folks start musing breat...
    benz
    last modified by benz