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Blog: #RF SIGNALS

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5G NR Demodulation Software on a MS068B Oscilloscope
Beamformer Frontends and Up-Down Converter ICs for mmWave 5G Infrastructure Wednesday, October 27, 2021
Why Beamforming Lies at The Heart of 5G & 6G Radio Design Momentum behind 5G continues to grow, with the vast spectrum available at 5G millimeter wave (mmWave) frequency bands supporting extreme capacity, high throughput and low latency and an increasing number of 5G mmWave devices, from smartphones to laptops and more. The testing and characterizing demands of new 5G networks, however, are …
Radar emitting ships interact with each other
3 Radiation Hazards (RADHAZ) and How to Mitigate Risk Wednesday, September 8, 2021
If you are involved in military, aerospace or defense and have been around radar and communication systems, with high-power RF transmitters and high-gain antennas, you are probably aware of the many risks associated with Radio Frequency Radiation (RFR) Hazards. RF emissions from these systems have the potential to cause catastrophic damage to operations and maintenance personnel, ordnance and …
Monitoring the wireless spectrum for interference
3 System Design Challenges with Spectrum Monitoring Tuesday, September 7, 2021
The wireless spectrum is a finite commodity that is tightly regulated, managed and shared by all nations, manufacturers and citizens, who risk being fined if they are caught operating outside of what's regulated or licensed. The presence of interference or other signals of interest creeping into one's band of wireless spectrum is a daily occurrence to some and is of great concern to many who may …
Military electronic warfare jet
Real-time Digital Signal Processing for Electronic Warfare Systems Monday, August 2, 2021
Evaluating and characterizing wideband communications, radar and electronic warfare systems in real time is challenging. Lacking a commercial off-the-shelf (COTS) alternative, some radar test teams stream test data to an inherently non-deterministic computing device such as a PC or laptop, inevitably leading to lost or missing data with no ability to verify that data is being recorded as expected …
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 …
AWG5200 Series 16-channel configuration
Optimizing Quantum Research with an Efficient Test and Measurement Topology Monday, May 17, 2021
This article is adapted from a presentation at the March 2021 Meeting of the American Physical Society by Brad Odhner, Technical Marketing Manager, Keithley Instruments, Inc., a Tektronix company. Quantum Basics To understand how to create an efficient test & measurement topology for quantum research applications, let’s begin with a 10,000-foot overview of some of the basics of quantum …
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 …