• The Four Ws of Spurious Emissions

      Refining your design and creating happy customers   Note from Ben Zarlingo: I invite you to read this guest post by Nick Ben, a Keysight engineer. He discusses the what, why, when and where of spurious em...
    benz
    last modified by benz
  • Yesterday’s Resolution Bandwidth is not the Best One Today

      Good news about RBW, noise floor, measurement speed, and finding hidden signals Some things never change, and others evolve while you’re busy with something else. In recent years, RF measurements provide ...
    benz
    last modified by benz
  • Spurious Emissions and Spectrum Emission Mask: Improving Difficult Measurements

      Wrestling information from a hostile universe I can’t make a serious case that the universe is actively hostile, but when you’re making spurious and related measurements, it can seem that way. In te...
    benz
    last modified by benz
  • Reducing Noise Power and Pushing it Around

      Jet engines, furry hoods, and a nod to four years of the Better Measurements blog This blog gives me occasional freedom to explore technology and phenomena that have only a peripheral relationship to RF design ...
    benz
    last modified by benz
  • Adding Information, Part 2: Taming Noise with your Secret Knowledge

      Taking advantage of knowledge your signal analyzer doesn’t have To respect the value of your time and the limits of your patience, I try to keep these posts relatively short and tightly focused. Inevitabl...
    benz
    last modified by benz
  • Your Signal Analyzer, Unleashed

      Signal analyzers are flexible, upgradable measurement platforms. This infographic has suggestions and reminders of how to maximize the value of yours. Click to enlarge. Learn how to maximize the power and per...
    benz
    last modified by benz
  • Exchanging Information You’ve Got for Time You Need, part 1

    Make better measurements by using all the information you can get Some of the things we do as part of good measurement practice are part of a larger context, and understanding this context can help you save time and m...
    benz
    last modified by benz
  • Signal Analysis Choices for Millimeter Frequencies

      A single analyzer can cover 3 Hz to 110 GHz. Is that the best choice for you? I haven’t made many measurements at millimeter frequencies, and I suspect that’s true of most who read this blog. All th...
    benz
    last modified by benz
  • Importance of the Basics or “Why Don’t Microwave Connectors Last?”

      Are lifetime and performance ratings wrong, or is it measurement practice? A guest post to the RF Test Blog from Keysight’s Michael Lux A while back, Ben discussed the potential for one type of connector ...
    benz
    last modified by benz
  • Real-Time Spectrum: Spotting Signals and Next Steps

    Originally posted Oct 4, 2016 Sometimes the answer is not in the first place you look Real-time spectrum analyzer (RTSA) capability has gradually moved from a specialized measurement made by specialized instruments to...
    benz
    last modified by benz
  • Exploring “Near-Far” Problems—and Opportunities

    Originally posted Aug 24, 2016   Sometimes a common understanding is not common   It’s always an interesting experience when I find that one of my assumptions is wrong, or at least not very right. Y...
    benz
    last modified by benz
  • Baseband and IF Sampling

    Originally posted Aug 9, 2016   Different ways to get your signal bits   There’s a long history of synergy and a kind of mutual bootstrapping in the technology of test equipment and the devices it...
    benz
    last modified by benz
  • Insidious Measurement Errors

    Originally posted Jun 23, 2016   How to avoid fooling yourself   Some years ago I bought an old building lot for a house, and hired a surveyor because the original lot markers were all gone. It was a tough...
    benz
    last modified by benz
  • RTSA: How “Real” is Real Enough?

    Originally posted May 18, 2016   Improving your chances of finding the signals you want   Real-time spectrum analyzers (RTSAs) are very useful tools when you’re working with time-varying or agile sig...
    benz
    last modified by benz
  • Competition and the Semiconductor Triple-Play

    Originally posted Apr 18, 2016   Get all the signal analyzer performance you pay for   After perusing a pair of new application briefs, I was impressed by the improvements in signal analyzers driven by the...
    benz
    last modified by benz
  • Signal Capture and Playback: A DVR for RF/Microwave Engineers

    Originally posted Mar 18, 2016   “OK, Jamie, let’s go to the high-speed”   There are times when understanding an event or phenomenon—or simply finding a problem—demands a view...
    benz
    last modified by benz
  • Fans of a Touch Interface for Signal Analyzers, Please Extend Your Hands

    Originally posted Feb 19, 2016   Borrowing stuff from phones and tablets that we helped make possible   Gary Glitter asked it first, but people my age probably remember Joan Jett’s version: “Do...
    benz
    last modified by benz
  • Vexing Connections

    Originally posted Feb 1, 2016   RF sins that may not be your fault   Many years ago, I knew an engineer who used to chuckle when he used the term “compromising emanations” to describe unintenti...
    benz
    last modified by benz
  • All of our RF Sins Exposed

    Originally posted Jan 15, 2016   Trespassing is harder to miss in  a densely occupied country   The 802.11ah wireless standard mentioned in my last post is promising, but it highlights a challenge tha...
    benz
    last modified by benz
  • Turning Back RF Technology to Take a Step Forward

    Originally posted Dec 28, 2015   New activity on familiar terrain High-profile developments in wireless networking usually involve ever-wider bandwidths and ever-higher operating frequencies. These support the i...
    benz
    last modified by benz