The electronic TENS (transcutaneous electrical nerve stimulation) therapy pain relief kit called Dr. Pocket uses electronic pulse stimulation via TENS to deliver Top, Mr. Pocket in use with the large flexible electrode pad. Center, a view of the read-outs on the Mr. Pocket display screen. Bottom, the unit also comes with four small electrode pads. electric … [Read More...]
FROM THE EDITORS
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Aimee Kalnoskas
Mil-spec, hermetic connectors operate up to 200 degrees C -
Bill Schweber
The basics of FR-4 Printed Circuit Boards -
Lee Teschler
Will LEDs go purple? -
Lynnette Reese
The working principle, applications and limitations of ultrasonic sensors -
Scott Thornton
8-bits and counting: 8-bit MCUs are still going strong
Sponsored Content
Common Misconceptions about USB Oscilloscopes
By Kaitlyn Franz, Test and Measurement Product Manager USB instruments are a commonly featured topic in Test and Measurement media. With new devices constantly launching, an especially heated … [Read More...]
Exploring connectors for the industrial IoT
Industrial IoT (IIoT), or Industry 4.0, is revolutionizing the way factories, suppliers and customers share their digital knowledge. From process control and automotive assembly, to robotics and the … [Read More...]
FAQ
The basics of FR-4 Printed Circuit Boards
Part 1 of this FAQ provided context and background on the PC board, and discussed its first widespread appearance as a phenolic-based board. Part 2 looks at some board issues and the widely … Read
Basic instrumentation for the electronics workbench
Engineers and technicians doing design, development, and testing have a wide range of instrumentation available for use on the test bench. So it might be useful to consider which instruments … Read
Difference between linear amplitude and decibel amplitude
In the time domain, amplitude, the dependent variable, is shown in volts relative to the Y-axis. In an oscilloscope display, for example, we may see branch circuit voltage as 325 V … Read
The first undersea transatlantic cable: An audacious project that (eventually) succeeded, Part 2
Part 1 of this feature looked at the people, project, and the vessels of the first trans-Atlantic cable project. Part 2 looks at the cable, test and repair, and implications of the final … Read
Printed Circuit Boards, Part 1: Context and phenolic boards
Despite appearances, there’s nothing simple about the materials or fabrication of the ubiquitous PC board, and the requirements of multi-GHz systems are increasing the performance demands … Read
How to design a Peltier module system
Thermoelectric cooling, using a Peltier module, gives designers flexibility to cool objects to a precisely controlled temperature, even below the ambient temperature of the application if … Read
Sensors and the future of food tech
Scientists and research engineers are developing technologies to boost food yield economically and efficiently in order to feed the world's growing population. New ideas continue to emerge as … Read
The first undersea transatlantic cable: An audacious project that (eventually) succeeded, Part 1
The conception, execution, and eventual success of the project to link North America and Europe with an undersea telegraph cable in the mid-1880s was costly, ambitious, exasperating, and … Read
Wiring for instrumentation labs
Most concerns about test instrumentation center on making accurate measurements. Engineers tend to take the underlying electrical infrastructure for granted. But it can be reassuring to know … Read
Podcasts
The Future Car: A Siemens Podcast Gernot Spiegelberg on Musk, the migration to MaaS
Episode Info Gernot Spiegelberg: “There is only one person who’s dealt with this chicken and egg problem…it’s Elon Musk.” Dr. Spiegelberg, a researcher in Siemens AG Corporate Technology, joins Ed to discuss the move from manufacturing to MaaS, a future where avatars travel instead of people, and why the shift from internal combustion engines is […]
PODCAST: Sujit Banerjee: Lab to fab to energy efficient Silicon Carbide semis
Dr. Sujit Banerjee arrived in the U.S. from India wanting to make a difference. Years later, the self-proclaimed “non-marketing guy” approached a fab with not much more than a dollar in his pocket to invest and a dream of a silicon carbide power semiconductor technology to sell. And now, this CEO of Monolith Semiconductor (part […]
PODCAST: Damon de Laszlo: a Renaissance chairMan embraces a world of interconnections
The more you learn about Harwin Plc CEO Damon de Laszlo, the more you recognize that crossing multiple disciplines with an intensity of fascination, emotion, and dedication is not only his approach to life but his approach to business. From the chairman of the Economic Research Council to chairman and co-founder of the Bradshaw Foundation […]
Analog ICs
The basics of FR-4 Printed Circuit Boards
Part 1 of this FAQ provided context and background on the PC board, and discussed its first widespread appearance as a phenolic-based board. Part 2 looks at some board issues and the widely used FR-4 … [Read More...]
Solving the end-of-life headache
by Edel Griffith, Adesto Technologies The technology business rarely stays still as new technologies emerge, and newer versions supersede older products. Semiconductor devices have been around for … [Read More...]
Printed Circuit Boards, Part 1: Context and phenolic boards
Despite appearances, there’s nothing simple about the materials or fabrication of the ubiquitous PC board, and the requirements of multi-GHz systems are increasing the performance demands placed on … [Read More...]
Focus on Microcontrollers
First 8-Pin STM32 MCUs target simple embedded projects
STM32 microcontrollers (MCU) from STMicroelectronics are now available in an 8-pin package, enabling simple embedded projects to leverage 32-bit performance and flexibility in a compact and … [Read More...]
Development board speeds designs for AI at the Edge
The BeagleBoard.org Foundation announces general availability of the BeagleBoard.org BeagleBone low-cost development board enabling new AI applications. Built on our proven open source Linux approach, … [Read More...]
Ultrasonic sensor disks offer serial resonance frequency of 2000 kHz
TDK Corporation presents a new series of ceramic-based EPCOS ultrasonic sensor disks, comprising two standard types. The B59050Z0206A030 sensor disk has a diameter of 5.0 mm and thickness of 1.02 mm. … [Read More...]
Focus on Power Electronics
Will LEDs go purple?
Examine an LED bulb and you are likely to find the LEDs on board are phosphor-converted white LEDs (PC-LEDs). These are created either from blue- or near-ultraviolet-emitting chips emitting light at about 450 nm that are coated with a yellow … [Read More...]
Sub-PMICs with 4MHz switching frequency reduce inductor size and height
Dialog Semiconductor plc introduced a new power management product family of four new sub-PMICs that offer best-in-class transient response and in-circuit digital programmability, in a smaller form factor than current market solutions. The new … [Read More...]
Dual-channel flash LED driver support advanced camera flash and torch functionality
Diodes Incorporated announced the AL3644, a high-speed, dual-channel flash LED driver designed to support advanced camera flash and torch functionality, as offered by the latest smartphones and other portable consumer devices. Key features include … [Read More...]
Wireless
Economical vector signal generator features 40 MHz bandwidth
The VSG60A vector signal generator offers the performance and agility of a serious vector signal generator at a fraction of the cost. A low phase noise, agile local oscillator with a 200 μsec switch time enables frequency hopping spread spectrum … [Read More...]
e-Book: Wireless and Wearables
by David Somo, ON Semiconductor It may seem far-fetched to suggest that “Star Trek fashion” will be in style with people walking around wearing amped-up watches, eyeglasses, rings and bracelets. But then again, years ago it seemed futuristic to … [Read More...]
MEMS chip combines accelerometer with high-accuracy temperature sensor
The STMicroelectronics LIS2DTW12 combines a MEMS 3-axis accelerometer and a temperature sensor on a single die for use in space-constrained and battery-sensitive detectors such as shipping trackers, wearables, and IoT endpoints. The sensing accuracy … [Read More...]
Automotive Applications
Autonomous vehicle sees with LiDAR eyes
Automakers are struggling to deliver the first commercially available fully autonomous car (SAE Level 5). There are a lot of vision technologies and sensors available, but fine-tuning them has proved to be challenging. Cars need to “see” objects, … [Read More...]
What makes a winning sensor?
At Sensor Expo 2019 in San Jose, CA, Travis Taylor, an Associate MTS at Maxim Integrated, demonstrates the Health Sensor Platform 2.0 that won the Sensors Expo 2019 Innovative Product of the Year Award. It can measure electrocardiogram (ECG), optical … [Read More...]
Data injection — Testing autonomous sensors through realistic simulation
Proof that autonomous vehicles are safe to put on the road begins with rigorous models of the sensors that guide them. Holger Krumm | dSPACE GmbH Onboard sensors are critical for autonomous vehicles to navigate the open road, but the real … [Read More...]
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