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Frances 'Poppy' Northcutt: The first woman at NASA Mission Control
Steve Taranovich  
6/25/2019   1 comment
The first woman at NASA Mission Control
Signal Chain Basics #149: How to accurately measure electrode impedance for lead-off detection in ECG systems
Signal Chain Basics  
6/22/2019   Post a comment
How can you accurately measure this impedance to give reliable lead-off detection in ECGs?
Beware When Slowing Down Switching Transitions
Frederik Dostal  
6/21/2019   Post a comment
Fast switching transitions can yield some disadvantages. Interference in the frequency range of the switching transitions between approximately 20 MHz and 200 MHz increases dramatically.
Installing open frame and U-channel PSUs for safety and performance
Gary Bocock  
6/20/2019   Post a comment
The U-channel format consists of an open frame PSU mounted into a U-shaped aluminum chassis.
Speaking of Speakers
Steve Taranovich  
6/16/2019   1 comment
The primary difference between the speakers I designed and the micro- and mini-speakers that Eminence makes is that the diaphragm is connected directly to the voice coil as opposed to an Aluminum or cardboard 'former' to which the voice coil was connected
The e-car: Electronics technology applied to sustainable mobility, Part 16
Busy Blogger  
6/15/2019   Post a comment
Autonomous driving represents one of the most interesting fields of research in the electronics and automotive sectors. This interest is growing by means of projects like the “Roobopoli” which includes the design and testing of prototype autonomous cars having integrated microcontrollers.
Dualling Master: Swap Current and Voltage for Easier Filter Design
The Filter Wizard Remastered  
6/14/2019   Post a comment
Using optimization to design circuits (some might call it organized guesswork – for some algorithms, that’s a pretty good description) isn’t a new insight.
Smart Industries: A new era of digital transformation, Part 1
Busy Blogger  
6/14/2019   Post a comment
The future of industry is represented by the massive utilization of IoT technology in realizing a more effective and reliable chain of production while maximizing the yield of industrial processes
Convert Light Intensity Into an Electrical Quantity
Thomas Brand  
6/11/2019   Post a comment
How could I measure the light intensity of different light sources?
Input Impedance Extraction and Application for High Speed Amplifiers, Insight #9
The Signal Sped Up  
6/7/2019   Post a comment
Here, model testing steps will be shown for the VFA then external adjustments to match reported data sheet numbers will be shown
Match Point: Why Maximum Power means Minimum Sensitivity
The Filter Wizard Remastered  
6/7/2019   2 comments
Why did I want to set my source and load resistances to the same value?
How to Prevent Your USB Type-C Cables from Going Up in Smoke
Todd Phillips  
6/6/2019   1 comment
Littelfuse has developed a new series of digital temperature indicators, PolySwitch setP, that are designed to be placed inside the USB-C plug
Basics of Bench Silicon Validation - PCB Passives
Sarvesh Miyan  
6/5/2019   Post a comment
Validating an IC design comes with unique challenges and considerations. This article provides a refresher on the overlooked or forgotten fundamentals behind commonly used practices, techniques, and rituals to validate the design specifications in the lab.
Graphical Interface Considerations for Embedded Devices
Daniel Lizewski  
6/4/2019   Post a comment
In the world of smartphones and tablets, customers have high expectations when it comes to graphical user interfaces (GUIs)
The smart home: A powerful new application for electronics
Busy Blogger  
5/29/2019   3 comments
The smart home is a new trend representing a concept that is quickly developing with an enormous electronic technology content
The e-car: Electronics technology applied to sustainable mobility, Part 15
Busy Blogger  
5/29/2019   1 comment
Autonomous driving is progressively becoming an important part of the future developments of e-cars making them more intelligent and safe. The aim is to increase the comfort of e-car users and to protect and make the driver aware in case of physiological issues while driving
The e-car: Electronics technology applied to sustainable mobility, Part 14
Busy Blogger  
5/29/2019   1 comment
The e-car is progressively evolving toward autonomous driving systems which can help the driver. In many cases this may help in dangerous situations like drowsiness or distress, being able to take control of the vehicle and to handle these kinds of situations.
Signal Chain Basics #148: Understanding the impact of offsets in fully differential amplifier circuits
Signal Chain Basics  
5/29/2019   3 comments
Most voltage amplifier circuit offsets are a result of the amplifier’s input voltage offset, input bias current and input offset currents.
Goodbye, Erlang; Hello, Gbps/km2/MHz
Analog Angle  
5/28/2019   Post a comment
As technology evolves and advances, long-established parameters may no longer be relevant or useful, and new ones take their place.
What to do about analog inaccuracies?
Analog Angle  
5/25/2019   Post a comment
Analog circuits inherently have some inaccuracies; if these exceed the allowable specification, there are three general strategies to dealing with them.
Buenos Notches! The Filter Wizard versus the vuvuzela
The Filter Wizard Remastered  
5/24/2019   Post a comment
Removing the vuvuzela narrow-band noise was presenting challenges to broadcast engineers
How to Regulate a Power Supply from a Wide Voltage Range
Xiuge Yang  
5/24/2019   Post a comment
This article discusses how using a single synchronous buck controller can output the most common voltage rails, and accommodate a wide range of operating input voltages from 3V to 40V, and at a reasonable BOM cost.
SiC switches in electric vehicles - will they dominate the drivetrain?
Dr. Anup Bhalla  
5/22/2019   Post a comment
This article explains how the latest-generation SiC FETs are ideally suited to new inverter designs with lower losses than IGBTs and proven robustness against short circuits, even at high temperatures and under repetitive stress
Filter Design using the "Million Monkeys Method"
The Filter Wizard Remastered  
5/18/2019   Post a comment
There’s a further cool thing you can do with a spreadsheet that most SPICEs can’t. That’s to use the spreadsheet ‘solver’ functionality to adjust component values in the search for a better-fitting circuit – or even to find a set of component values for a circuit you can’t otherwise design.
MOSFETs embedded into PC boards
Steve Taranovich  
5/18/2019   2 comments
Infineon MOSFETs have been embedded into PC boards by Schweizer Electronic AG
Simulate Circuits in a Spreadsheet with some 'Ladderal Thinking'
The Filter Wizard Remastered  
5/18/2019   1 comment
You now need to adjust component values to achieve some system goal, such as predefined frequency response or time behaviour, and there’s no closed method for working out those values.
Aircraft: Angle of Attack (A0A) Sensor design
Steve Taranovich  
5/15/2019   16 comments
As a member of the electronics design community, I am angry and disappointed with the recent deaths of 346 people due to the Boeing MAX 8 design
GaN transistors address data center and telecom server power requirements
Dr. Gerald Deboy  
5/12/2019   Post a comment
The theoretical advantages of GaN-based power transistors are now being realized in mainstream system designs. Power supplies for data centers and telecom switching racks are two application areas where GaN transistors show significant improvement in comparison to systems using best-in-class Silicon-based Superjunction devices.
Flyback Converters Without Optocouplers: Existing Options
Frederik Dostal  
5/10/2019   Post a comment
There is a great deal written about isolation, but Frederik Dostal gives us a look at power supply isolation. Do you know which side of the galvanic isolation to put the controller? Should you use optocouplers or some other method? Find out here
Excel Tunes Up your Schematic Files
The Filter Wizard Remastered  
5/9/2019   2 comments
In previous posts I’ve talked about transferring spreadsheet-based circuit design “directly” to the lovely LTspice simulator, and a reader of The Filter Wizard was keen to understand exactly what “directly” actually meant, and to get some practical information on how to do it.
Discrete Difference Amplifier vs. an Integrated Solution
Steve Taranovich  
5/9/2019   Post a comment
Why Pay More for Less?
Automating Analog Layout
Keith Sabine  
5/8/2019   Post a comment
There has been vast progress over the last 30 years or so in digital layout automation, which has made it possible to develop complex digital ICs relatively quickly. However, for analog layout, techniques are still much the same as they were years ago.
Robots re-charge their own batteries
Steve Taranovich  
5/7/2019   Post a comment
Wireless robot or drone charging, when battery power is low, becomes a critical function, especially in an autonomous system
Improving a robot controller: Replacing tanh(x) with sin(arctan(x))
Steve Taranovich  
5/6/2019   2 comments
Most of us probably have never used the hyperbolic tangent function tanh(x) or the sin(arctan(x)) reference function since our university days. But these functions enable a kinematic controller. Kinematics determines the position and orientation movement of an end-effector on a robotic arm as a function of the joint coordinates.
Stability Issues and Resolutions for High Speed Fully Differential Amplifiers (FDAs), Insight #8
The Signal Sped Up  
5/1/2019   2 comments
The most recent VFA FDAs focus on lower power, precision, solutions more aimed at Successive Approximation Register (SAR) and delta sigma ADC support. Those will be focus in this FDA stability discussion - but the concepts are backward compatible to the earliest VFA FDAs.
Optimizing your overcurrent detection to meet system requirements
Dan Harmon  
4/30/2019   Post a comment
In this article, I will discuss how to translate system accuracy requirements into implementation parameters
The e-health program: A new approach to health care, by utilizing electronic technology, Part 8
Busy Blogger  
4/29/2019   5 comments
By utilizing the progress of electronics technology, we might deeply enhance the potential benefits of a type of interactive and smart approach, especially in the case of large companies in the field of microelectronics investing in the creation a portfolio of wearable/implantable devices for medical applications
When Your Project Ends Up on the Scrap Heap
Analog Angle  
4/29/2019   3 comments
It has to hurt when your released product is cancelled and goes into the dumpster, but should it?
Can Analog's Reality Chill Today's Mega-Hype?
Analog Angle  
4/29/2019   Post a comment
The “down to earth” world of analog components and functions is a reality-based counterweight to the relentless. overhyped views of the direction and impact of technology advances.
11 things you need to know about resistors in pulse load applications
Annika Elsen  
4/24/2019   2 comments
It’s an unfortunate fact that a resistor can fail under pulse loads. When pulse power is dissipated to the device’s resistive element, it generates heat and increases the resistor’s temperature.
Surgical revolution: Robotics
Steve Taranovich  
4/24/2019   Post a comment
Surgical Robotic Systems are no longer a science fiction idea. These kind of systems, although still in their infancy, are able to enhance a human surgeon’s talent with more accurate and less invasive techniques.
Circuits for RF Energy Harvesting
Addressing the future of power supplies by Energy Harvesting  
4/23/2019   1 comment
The ever-increasing use of wireless devices, such as mobile phones, computing, and remote sensing systems, have led to increased demand and dependence on the use of batteries.
PCB design for EMI in three easy steps
Martin Rowe  
4/22/2019   Post a comment
A three-part series of articles explains how to minimize interference through proper PCB design and layout.
Preventing voltage fluctuations due to power supply lines
Frederik Dostal  
4/22/2019   Post a comment
In such things as laboratory power supplies or electronic systems, in which various components are connected to longer cables, the regulated voltage is not always particularly accurate at the point where it is needed due to various voltage drops across the interconnection lines.
How to Shrink Your USB Type-C Battery Charger
Nazzareno (Reno) Rossetti  
4/18/2019   Post a comment
There area plethora of USB Type-C articles out there, but this is the first one I have seen with a really neat design architecture to shrink the board footprint with a high level of integration.
Fainting in Coils
The Filter Wizard Remastered  
4/18/2019   Post a comment
The required selectivity of a customer design implied four-pole filters with about 10% bandwidth (passband width about 10% of the centre frequency). There was a catch---a tight power budget
The e-health program: A new approach to health care, by utilizing electronic technology, Part 6
Busy Blogger  
4/18/2019   Post a comment
Monitoring the heart rate or blood pressure in order to enhance the quality of their life, this is known as Remote Patient Monitoring (RPM)
Wishful Thinking
Aubrey Kagan  
4/17/2019   1 comment

As we deal with the vagaries of life and work, occasionally we come up with an idea to improve the process. If the idea is big enough or the inventor has entrepreneurial leanings there may be an attempt to commercialise the product/process. Sometimes pie-in-the-sky ideas seem too small and are left in a corner of the mind, only to reappear as someone else’s brilliant idea.

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How can you accurately measure this impedance to give reliable lead-off detection in ECGs?
Fast switching transitions can yield some disadvantages. Interference in the frequency range of the switching transitions between approximately 20 MHz and 200 MHz increases dramatically.
The U-channel format consists of an open frame PSU mounted into a U-shaped aluminum chassis.
The primary difference between the speakers I designed and the micro- and mini-speakers that Eminence makes is that the diaphragm is connected directly to the voice coil as opposed to an Aluminum or cardboard 'former' to which the voice coil was connected
flash poll
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