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Understanding Radiated Electromagnetic Compatibility Tests

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.

October 13, 2020 by Ignacio de Mendizábal

Applying the t-Test to Engineered Systems

This article provides an example of how we can use t-testing to determine if an experiment has produced a statistically significant change in system performance.

October 12, 2020 by Robert Keim

Understanding Electromagnetic Compatibility Tests: Conducted EMC

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.

October 07, 2020 by Ignacio de Mendizábal

Understanding the t-Distribution in Tests for Statistical Significance

This article introduces a statistical distribution used in significance testing. We’ll discuss its importance and its relation with the normal distribution.

October 05, 2020 by Robert Keim

Statistical Significance in Experimentation and Data Analysis

What exactly do scientists and researchers mean when they state that something is or is not statistically significant? How do we establish statistical significance, and how do we interpret it?

October 02, 2020 by Robert Keim

A Brief Review of the Tools and Parameters of EMC Testing

While most electromagnetic compatibility (EMC) tests are conducted in specialized laboratories, electrical engineers can still benefit from knowing the basics of EMC testing.

October 01, 2020 by Ignacio de Mendizábal

Finding Statistical Relationships with Correlation Coefficients

The Pearson and Spearman correlation coefficients are standard techniques for inferring causation by calculating the strength of a linear or monotonic relationship between two variables.

September 30, 2020 by Robert Keim

New and Upgraded Oscilloscopes May Be Useful Options in Lab and at Home

New oscilloscopes with larger bandwidths, faster sampling rates, and quicker rise times prove that T&M doesn't have to slow down amidst the pandemic.

September 28, 2020 by Antonio Anzaldua Jr.

GaN HEMT Reliability: Why the Industry Can’t Agree on One Testing Standard

If standardized testing methodology for GaN-based HEMT reliability is far on the horizon, what are manufacturers doing to help deliver quality GaN devices in the meantime? 

September 22, 2020 by Antonio Anzaldua Jr.

Smart Contact Lens With Embedded Microelectronics Promises Bright Future for Vision Correction

Researchers at Imec and Ghent University have embedded microelectronics into a biocompatible "smart contact lens" to remedy a host of vision problems, from keratoconus to general light sensitivity.

September 15, 2020 by Tyler Charboneau

Understanding Parametric Tests, Skewness, and Kurtosis

This article introduces important subcategories of inferential statistical tests and discusses descriptive statistical measures related to the normal distribution.

August 24, 2020 by Robert Keim

How to Obtain the Temperature Value from a Thermistor Measurement

This article explains how to use an NTC or a PTC thermistor with an ADC, along with the various process techniques to convert ADC measured results into a usable temperature value.

August 18, 2020 by Gordon Varney, Texas Instruments

A New RF Upconverter Can Test Satellites Operating in the Q/V Band

This week, Rohde & Schwarz released news of its new Q/V band upconverter meant to test satellite payloads. But what is the Q/V band?

August 12, 2020 by Jake Hertz

From Laser to Workbench: New Tech Speeds Up PCB Solder Mask Production

A new laser direct imaging technology may significantly increase the speed of solder mask production at a low cost.

August 10, 2020 by Jake Hertz

Swapping Thin-Film Transistors for Source-Gated Transistors Yields Simpler Display Circuits

By using source-gated transistors in place of TFTs, researchers have created a new circuit design that promises great improvements in large-area electronics.

August 04, 2020 by Jake Hertz

Introduction to Normal Distribution in Electrical Engineering

This article covers important characteristics of a foundational statistical distribution and explains the significance of a probability density function.

August 03, 2020 by Robert Keim

Reed Relays Can Be the Best Solution for Signal Switching in T&M

Signal switching is vital in test systems, and there are many options to accomplish the task. Here's why reed relay-based switching systems may be your best bet.

July 29, 2020 by Steve Arar

Sample-Size Compensation in Standard Deviation Calculations

This article discusses Bessel’s correction, which helps us to more accurately estimate the standard deviation of certain parameters and of long-duration signals.

July 21, 2020 by Robert Keim

Analog Devices Inc. Miniature MEMS IMU | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.

June 25, 2020 by Mouser Electronics

A Brief Sweep of the Current Measurement Landscape

There are many ways to do the job, each with its own set of advantages, disadvantages, and best use cases.

June 11, 2020 by Gary Elinoff