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Military Drone Detection
Setting up an Automated Drone Detection System Using Spectrum Analyzers Tuesday, May 25, 2021
In a few short years, the number of drones, or unmanned aerial vehicles (UAVs), purchased has soared. In the US alone, the FAA projects the small model hobbyist UAV fleet will more than double from an estimated 1.1 million vehicles in 2017 to 2.4 million units by 2022. Worldwide, Teal Group’s World Civil UAS Market Profile and Forecast projected in 2018 that non-military UAS production (Commercial …
Tektronix 5 Series MSO next to a Keysight MXR
4 Things I Noticed about Keysight’s New MXR Oscilloscope Tuesday, April 6, 2021
The Tektronix 5 Series MSO really changed the professional oscilloscope playing field with its large high-definition display, 6 and 8 channel models paired with an intuitive user interface that was designed from the ground up to incorporate touch interactions (pinch zoom, double tap, etc). The 6 Series incorporated these same features with higher bandwidth and improved performance. Keysight …
This image shows the time (top) and frequency (bottom) domain view of the same signal simultaneously. Unlike an FFT, the views are completely independent.
3 Important Insights from Simultaneous Frequency and Time Analysis Thursday, January 28, 2021
Debugging embedded systems often involves looking for clues that are hard to discover just by looking at one domain at a time. The ability to look at time and frequency domains simultaneously can offer important insights. Mixed-domain analysis is especially useful for answering questions such as: What’s going on with my power rail voltage when I’m transmitting wireless data? Where are …
A Better Method for Analyzing Ripple on Power Rails Friday, July 17, 2020
How Spectrum View Outperforms Traditional Oscilloscope FFTs with Tighter Frequency Resolution Over Wider Ranges Debugging embedded systems often involves looking for clues that are hard to discover just by looking at one domain at a time. The ability to view time and frequency domains simultaneously can enable you to measure a power rail’s voltage during wireless transmissions or observe nearfield …
New RF vs. Time waveforms in Spectrum View – What are they and what can they do for you? Part 3 Wednesday, August 28, 2019
Several months back, we added a new kind of frequency analysis capability called “Spectrum View” to our 5 and 6 Series Mixed Signal Oscilloscopes.  I posted a two-part article called “A New Approach to Frequency Analysis on Oscilloscopes”  Part 1 and Part 2, explaining the differences between this approach and run-of-the-mill oscilloscope FFTs.  Since then a couple of things have happened.  Tek …
A New Approach to Frequency Analysis on Oscilloscopes, Part 2 Wednesday, July 31, 2019
As discussed in Part 1 of this blog series, the ability to perform spectral analysis on an oscilloscope is limited due to the inherent tradeoffs of FFTs. Overcoming these tradeoffs was a key design goal for Spectrum View. This new capability was made available on 5 and 6 Series MSOs with a recently released firmware upgrade. To understand how Spectrum View works, it is important to note that …
A New Approach to Frequency Analysis on Oscilloscopes, Part 1
A New Approach to Frequency Analysis on Oscilloscopes, Part 1 Friday, April 12, 2019

As you may have noticed if you’re regular reader of Evaluation Engineering or other electronics engineering news outlets, we recently released a firmware upgrade for the 5 and 6 Series MSOs that unlocks a new analysis tool called Spectrum View. You can read more about how it gives you a frequency domain display for each of your analog channels with independent time- and frequency domain controls here.

Mixed Domain Analysis Hits the Big Screen with Firmware Release
Mixed Domain Analysis Hits the Big Screen with Firmware Release Tuesday, March 26, 2019
By David Pereles   Tektronix today released new firmware for the 5 and 6 Series MSO mixed signal oscilloscopes that unlocks a new analysis tool called Spectrum View.  A free download for the 5 and 6 Series MSOs,  Spectrum View allows you to perform mixed domain analysis on the big, high-resolution displays.  This mixed domain capability can be added to any 5 or 6 Series MSO just by installing the …