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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 …
RF Power Triggering on Tektronix USB-RSAs Friday, January 15, 2021
All Tektronix Real-Time Spectrum Analyzers can be triggered based on a RF power threshold to help acquire specific signal bursts into memory for analysis. The family of USB-based RSAs include this capability. This blog will review some of the details of the RF Power trigger characteristics and settings to help you most effectively apply triggering to your application. This applies to the RSA306B …
Well defined pulses like these are a rarity in the real world.
Never Miss a Pulse Wednesday, December 2, 2020
The RF pulse characteristics of a radar reveal a great deal about a its capability. Electronic Warfare (EW) and Electronic lntelligence (ELINT) experts specialize in the study of these pulsed signals. Pulse characteristics provide valuable information about the type of radar producing a signal and what its source might be; sailboat, battleship, passenger plane, bomber, missile, etc. But how do you …
Individual interference hunting
What is Probability of Intercept (POI) and Why it Matters Thursday, September 10, 2020
One term we see quite often when breaking down spectrum analyzers is probability of intercept (POI). So, what is the definition of probability of intercept and why does it matter? When we see “probability of intercept” we should know that this term is almost always a contraction of the phrase “minimum event duration for 100% probability of intercept”. POI is the amount of time equal to “the …
Captured RF Signal Playback on the TSG4100A Using the AFG31000 Thursday, April 23, 2020
Introduction: Radio Frequency (RF) signals are used widely in today’s world. RF transmitters have become so pervasive that they can be found in almost any location imaginable: consumer electronics in homes, medical devices in hospitals, industrial control systems in factories, and even tracking devices implanted underneath the skin of livestock, pets, and people. This presents a challenge with RF …
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 …
Using a Tektronix Real-Time Spectrum Analyzers as a Software-Defined Radio with Open-Source Tools
Using a Tektronix Real-Time Spectrum Analyzers as a Software-Defined Radio with Open-Source Tools Saturday, March 2, 2019
By Tektronix Experts Software-defined radios (SDR) offer several advantages over traditional, hardware-based measuring instruments and radio receivers including flexibility, reconfigurability and the ability to use open source processing tools. In this post, we’ll cover how to export data from a Tektronix real time spectrum analyzer (RTSA) and import it into a variety of tools.  We will start with …