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Category: Electrical Engineering

Joint Effort to Develop T&M Capabilities for UWB Technologies

This article appeared in Evaluation Engineering and has been published here with permission. Curve tracers are electronic test devices that are similar to oscilloscopes in many ways. Fundamentally, these instruments operate by varying a parameter, then measuring a separate one to produce data for analysis referencing the characteristics of semiconductors such as diodes, transistors, and thyristors. They’re particularly useful for semiconductor failure analysis and parametric characterization. By 1955, when Tektronix introduced the industry’s first curve tracer, the company had already…

Offshore wind farms could power much of coastal China — ScienceDaily

Under the Paris Climate Agreement, China committed to rely on renewable resources for 20 percent of its energy needs by 2030. Currently, the country is on track to double that commitment, aiming to hit 40 percent by the next decade. Wind power is critical to achieving that goal. Over the past 20 years, China’s wind power capacity has exploded from 0.3 gigawatts to 161 gigawatts. But, in recent years, that growth has slowed and the hopes for China’s wind-powered future…

Women in Engineering Week: Shining a Light on Diversity

Lisa Crader and Peyton Flewelling at the Coffee with RSVP (Relationship & Sexual Violence Prevention) Center Advocates, one of the WIE Week events that the College hosted on Wednesday. The MU College of Engineering is a welcoming, inclusive college, and that message was the theme and the focus of Women in Engineering (WIE) Week, Feb. 17 – 21. Events got underway Feb. 17 with a kick-off social in Lafferre Hall, where Mizzou Engineering students had an opportunity to meet with…

5 Current-Sensing Resistors | Electronic Design

Although there are several ways to sense current flowing from a source such as a battery, or to a load such as a motor, the current-sense resistor is among the most widely used approaches. There are several reasons for this: reasonable cost, electrical compatibility with the rest of the circuit, and the ease of scaling and adjusting the sensing arrangement. The basic principle is simple and based on Ohm’s Law: Insert a resistor of known value in series with the…

Next-generation integrated transformer technology | Electronic Design

Noise is a constant problem in power-supply design. While there are FCC limits on the electromagnetic interference (EMI) radiating out into the air as well as the conducted noise that your design injects back into its input, your first noise problem is getting the noise low enough in your outputs. Ripple and Noise Some engineers make a distinction between output ripple and output noise. Both phenomena are an unwanted signal superimposed on the pure perfect dc output you want (Fig.…

Easy, Cost-Effective Pre-Booster for Automotive Cold-Crank Conditions

Start-stop functionality is expected to be featured in more and more new car models from most manufacturers. However, this presents a challenge in automotive electronics design because starting the motor in cold weather can make the battery’s voltage drop as low as 3 V. This is called a “cold crank.” The power stage for most 12 V automotive systems consists of a single buck converter that typically regulates the output voltage to 5 V or 3.3 V. Even if the…

Take the Proper Steps to Flight-Test-Instrumentation Design

In Part 1, we reviewed the process of designing a modern hardware emulation platform. Here, we’ll look at the skills and training that are necessary to become a simulation expert and an emulation expert. A good starting point is to briefly review differences between a simulator and an emulator. Simulators As the electronic design approach evolved over time, and in turn drove design engineers’ creativity up the abstraction hierarchy, the industry invented simulators targeting a range of design-under-test (DUT) design…

RFID Tag Tracks Tools in Real Time

Download this article in PDF format. As a part of the Industry 4.0 movement, factory engineers are increasingly adopting some form of industrial Ethernet to interconnect the machines and other equipment implementing their production processes. Ethernet has been around in multiple forms for over 40 years. Most of it serves the IT community by interconnecting PCs and other equipment to a company LAN. Because of its flexibility, Ethernet has been adapted to many industrial uses. There’s even an automotive version.…

How to Become an RTL Simulation Expert vs. Hardware Emulation Expert

In Part 1, we reviewed the process of designing a modern hardware emulation platform. Here, we’ll look at the skills and training that are necessary to become a simulation expert and an emulation expert. A good starting point is to briefly review differences between a simulator and an emulator. Simulators As the electronic design approach evolved over time, and in turn drove design engineers’ creativity up the abstraction hierarchy, the industry invented simulators targeting a range of design-under-test (DUT) design…