Learn about the working principles of near-field probes and their applications in troubleshooting EMI issues.
Learn about the working principles of near-field probes and their applications in troubleshooting EMI issues.
In this article, we conclude our discussion of VNAs by walking through the steps of a SOLT calibration and examining the…
In this article, we conclude our discussion of VNAs by walking through the steps of a SOLT calibration and examining the potential non-idealities of its reference standards.
The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA)…
The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA) measurements. Learn about this model and an associated error correction technique in this article.
In this article, we compare the scope of factory and user calibration for vector network analyzers (VNAs). We then learn…
In this article, we compare the scope of factory and user calibration for vector network analyzers (VNAs). We then learn about the types of errors that calibration techniques can't correct.
Learn the basics of how vector network analyzer (VNA) calibration techniques correct measurement errors.
Learn the basics of how vector network analyzer (VNA) calibration techniques correct measurement errors.
This article explains how to estimate the dynamic range a vector network analyzer (VNA) needs for a given measurement,…
This article explains how to estimate the dynamic range a vector network analyzer (VNA) needs for a given measurement, then discusses four techniques for boosting the dynamic range to the required level.
In this article, we explore how the signal source and receivers of a VNA enable its function.
In this article, we explore how the signal source and receivers of a VNA enable its function.
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by…
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to learn more about this important piece of equipment.
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their…
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods by which they synthesize impedance.
This article explains how to use a histogram test with a sinusoidal input to determine analog-to-digital converter (ADC)…
This article explains how to use a histogram test with a sinusoidal input to determine analog-to-digital converter (ADC) parameters, along with the advantages of doing so.
Histogram testing is the most popular method for determining analog-to-digital converter (ADC) static parameters. In this…
Histogram testing is the most popular method for determining analog-to-digital converter (ADC) static parameters. In this article, learn the basics of histogram testing and the specifics of how to use a linear ramp histogram test.
Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in…
Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in analog-to-digital converters (ADCs).
Learn how dithering can suppress both harmonic and non-harmonic spurs and two different types of dithering systems:…
Learn how dithering can suppress both harmonic and non-harmonic spurs and two different types of dithering systems: subtractive and non-subtractive topologies.
Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an…
Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an Arduino-generated square wave oscillator.
Learn why the drive level of your quartz crystal oscillator is important and several methods for how to measure it.
Learn why the drive level of your quartz crystal oscillator is important and several methods for how to measure it.
For some of us, at-home work may be an extended reality beyond 2020. You’ll need the proper tools to accomplish your goals.
For some of us, at-home work may be an extended reality beyond 2020. You’ll need the proper tools to accomplish your goals.
Learn about some of the most important fundamentals for understanding how interface technologies have evolved.
Learn about some of the most important fundamentals for understanding how interface technologies have evolved.
This article is the second in a two-part series that reviews the basics of electromagnetic compatibility tests. We'll now…
This article is the second in a two-part series that reviews the basics of electromagnetic compatibility tests. We'll now turn our attention to radiated EMC tests.
This article is the first in a two-part series that reviews the basics of electromagnetic compatibility tests. First,…
This article is the first in a two-part series that reviews the basics of electromagnetic compatibility tests. First, we'll focus on a main category of EMC tests—conducted EMC—and the relevant test setup.
In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.
In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.