Latest Test & Measurement Technical Articles

Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by…

Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by eliminating quantization error and distortion.

Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits.…

Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits. This article covers the theory, design, and key features of analog square wave generators.

This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from…

This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from high-current power cables without cutting or disturbing the cable.

Learn about the importance of the Fourier series in circuit analysis and the Fourier series equations, while gaining…

Learn about the importance of the Fourier series in circuit analysis and the Fourier series equations, while gaining insight into how this analysis tool works.

Learn the basics of ratiometric resistance measurements in analog to digital (A/D) converters, how it's measured, and…

Learn the basics of ratiometric resistance measurements in analog to digital (A/D) converters, how it's measured, and example uses in a digital multimeter (DMM), microprocessor, and various resistive sensors.

Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine…

Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine sine waves, harmonics, and intermodulation distortion.

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.

In this article, we’ll discuss another group of thermal data, called thermal characterization parameters denoted by the…

In this article, we’ll discuss another group of thermal data, called thermal characterization parameters denoted by the Greek letter Psi (Ψ).

In this final part of the Glass Cockpit series, we look at how displays have reached their current iteration in Space X shuttles.

In this final part of the Glass Cockpit series, we look at how displays have reached their current iteration in Space X shuttles.

Learn about real-world display technology design in aerospace applications in a legendary example—the F/A-18 Super…

Learn about real-world display technology design in aerospace applications in a legendary example—the F/A-18 Super Hornet—from an engineer who's flown them.

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.

In this article, we’re going to be talking about JTAG, the ubiquitous hardware tool used for testing, programming, and…

In this article, we’re going to be talking about JTAG, the ubiquitous hardware tool used for testing, programming, and debugging.

In this article, we’ll continue our discussion of an LTspice circuit that helps us to predict how offset-voltage…

In this article, we’ll continue our discussion of an LTspice circuit that helps us to predict how offset-voltage variations will influence circuit performance.

In this article, we'll perform a worst-case analysis in LTspice, using a resistive circuit for a temperature sensor…

In this article, we'll perform a worst-case analysis in LTspice, using a resistive circuit for a temperature sensor reading as an example.

In this article, we use LTspice to analyze the precision of a current-pump circuit when all resistors are non-ideal and…

In this article, we use LTspice to analyze the precision of a current-pump circuit when all resistors are non-ideal and temperature is varied across the automotive temperature range.

In this article, we will use simulations to assess important aspects of the performance of an op-amp-based current source.

In this article, we will use simulations to assess important aspects of the performance of an op-amp-based current source.

This article discusses important aspects of t-testing with the help of the example experiment presented in the previous article.

This article discusses important aspects of t-testing with the help of the example experiment presented in the previous article.

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.