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Resistor-Capacitor (RC) Snubber Design for Power Switches
Richard Chung  
7/31/2014   4 comments
The Power Switches are the heart of every power converter. Their operation will directly determine the product's reliability and efficiency.
Measuring an Alien World
Steve Taranovich  
7/30/2014   9 comments
How do you measure and analyze a planet one-and-a-half times the size of Earth and 300 light years away? How can we know its composition? With the incredible technology of a cryogenic telescope like the Spitzer and Kepler Space Telescopes.
A New Breed of Analog Design Tools
Erin Mannas  
7/29/2014   16 comments
When you think of analog design tools, what comes to mind?
3 Circuit Protection Innovations Designed to Protect Wearable Technologies
James Colby  
7/25/2014   41 comments
Today’s wearables demand lower capacitance, lower clamping voltage, and a smaller form factor.
LED Lighting: The Unintended Effects in Public Lighting
Luca Difalco  
7/25/2014   40 comments
One of the most fascinating aspects of many technologies is the way they transform the world in ways completely unanticipated by their developers.
Sensor Footprint Evolution: Does Size Matter?
Steve Barraclough  
7/25/2014   7 comments
Industry observers will not argue that the explosion in the adoption of motion sensors, principally accelerometers, was enabled by reducing the form factor to the point where the sensors could easily be integrated into mobile applications.
More on Measuring the State of Health and State of Charge of a Battery
Mike Everett  
7/25/2014   Post a comment
In an ultracapacitor, end of life does not arrive abruptly and without warning, as it may with batteries. An ultracapacitor will conceivably continue to operate until there is not enough energy left in the device when fully charged to do the job.
Designers Need to Be in the Lab
Brandt Braswell  
7/24/2014   18 comments
Designers can gain valuable insight by going into the lab when the first silicon comes out to evaluate the results.
Why Worry Yourself With Transformer Safety Standards?
Richard Chung  
7/23/2014   1 comment
Fairchild offline flyback PWM with integrated MOSFETs is an integral part of a power supply system design.
Improving DC Output Voltage Accuracy
Steve Taranovich  
7/22/2014   9 comments
Here is the third of three short tech nuggets, by Rich Nowakowski from TI, before our “Ask the Experts” session on Wednesday, July 23, at 1:00 p.m. ET (10:00 a.m. PT).
The Internet of Things: Sensor Fusion (or Confusion?)
Jay Esfandyari  
7/22/2014   18 comments
What keeps the Internet of Things from becoming a tangled jumble of incoming data from various connected devices? And within a single device that feeds information into the IoT, how does sensor fusion work?
Supercaps Improve Engine Start Reliability for Wide Range of Transportation Uses
Steve Taranovich  
7/22/2014   Post a comment
Supercapacitor technology is gaining momentum for improving the reliability of engine starting, extending battery life, expanding temperature range, and reducing replacement costs.
Non-Linear or Fixed Frequency Control?
Steve Taranovich  
7/21/2014   Post a comment
Here is the second of three short tech nuggets before our “Ask the Experts” session on Wednesday, July 23 at 1:00 p.m. ET (10:00 a.m. PT).
Effects of Switching Frequency on Transient Response
Steve Taranovich  
7/18/2014   8 comments
Here is the first of three short tech nuggets before our "Ask the experts" session on Wednesday, July 23 at 1:00 p.m. ET (10:00 a.m. PT).
How a Coffee Packaging Machine Educated Me
Aubrey Kagan  
7/18/2014   24 comments
One of my first projects was to design a control for a coffee packaging machine. It was in the late 70s and microprocessors were on everybody's lips, but few actually knew anything about them.
Just Add a Transistor: The 4-20 mA Current Loop
Kendall Castor-Perry  
7/17/2014   8 comments
The good old 4-20 mA loop. Originally just for analog signals, it is now often used with a superimposed AC communication layer called HART.
Signal Chain Basics #91: The Difference Between HBM & IEC 61000-4-2 ESD Immunity
Signal Chain Basics  
7/16/2014   2 comments
Explaining the differences between the two most commonly applied ESD standards.
Stability Prognosis of Components During Dry Heat & Biased Humidity Testing & Application
Reiner W. Kuehl  
7/16/2014   Post a comment
This paper introduces a method for the prediction of electrical parameter changes due to aging.
Energy Harvesting for Wearables
Thomas Kail  
7/15/2014   20 comments
Wearable applications including smart watches, sport watches, fitness bands and more are growing in popularity, and so, too, is the demand for intelligent sensors to use in them. If analyst predictions are correct, the market is going nowhere but up in the coming years.
How Can Technology Help Improve the Prospect of a Longer Life?
Matthias Poppel  
7/14/2014   13 comments
A few examples where energy harvesting wireless technology enables seniors to live independently for as long as possible, by retaining their dignity and increasing their safety.
Balancing Multiple Supercapacitors: Customer Q&A for ALD Tech Support
Steve Taranovich  
7/11/2014   4 comments
As it often happens, when new technology is introduced to replace the traditional circuit design methodologies, designers have questions. This was the case when Advanced Linear Devices recently announced its Supercapacitor Auto Balancing MOSFET arrays.
Your Chance as an Audiophile to Weigh In on Radio History
Vincent Biancomano  
7/10/2014   Post a comment
Who's got a professional audio lab, the desire, and the time to inspect my files and make a determination, gratis?
Improving Analog Design Time
Keith Sabine  
7/9/2014   10 comments
Designers can estimate parasitics early in the design flow, at the RTL level, to see if they meet timing and power criteria. Thus design changes can be iterated relatively quickly until the design goals are met, with detailed layout following.
Parasitics & Capacitor Selection, Part 4A: Dissipation Factor
Chris Reynolds  
7/8/2014   Post a comment
This month, we'll look at dissipation factor, and we'll lay the groundwork for next month's blog about Q.
Parasitics & Capacitor Selection, Part 4B : Dissipation Factor
Chris Reynolds  
7/8/2014   1 comment
Since capacitance bridges measure capacitance using a small AC signal voltage, it is possible to measure DF simultaneously.
Interfacing to ADCs: Power Supplies, Part 1
Jonathan Harris  
7/7/2014   2 comments
Keeping the power supply inputs on separate domains can minimize crosstalk and make it much harder for noise to interfere with ADC performance.
When GND Isn’t GND, Single-Ended Circuits Become Differential
Precision Hub  
7/3/2014   30 comments
The system ground return, or GND, symbol is often taken for granted when drawing schematics.
Signal Chain Basics #90: Calculating Harmonic Distortion Frequencies in High-Speed Data Converters
Signal Chain Basics  
7/3/2014   2 comments
Data converters, which convert digital to analog signals and analog to digital signals, have different characteristics than purely analog circuits. One of the most common misunderstandings is the frequencies of distortion products in data converters.
Connected Integrated Smart Sensors: The Motion Cookies, Part 2
Paolo Scalisi  
7/2/2014   7 comments
A “cookie” approach can be used to build a net of sensors that can give a lot of information to a central processor based on a set of microcontrollers, which can control a series of actuators to realize a really smart system.
Connected Integrated Smart Sensors: The Motion Cookies, Part 1
Paolo Scalisi  
7/1/2014   21 comments
Recently The Consumer Electronics Association (CEA) announced its 2014 Best of Innovations Design and Engineering Award Honorees.
2-Port Analyzers on a Chip? Part 4: Voltage- & Current-Sense Interaction
Dennis Feucht  
6/30/2014   6 comments
One of the problems to be solved in the design of an SMU and a two-port analyzer (TPA) is to keep the voltage and current sensing from interfering with each other by causing error.
2-Port Analyzers on a Chip? Part 3: TPA Integration Challenges
Dennis Feucht  
6/30/2014   6 comments
A TPA consists of two or more SMUs. Two are required for basic transistor parameter measurement.
2-Port Analyzers on a Chip? Part 2: SMU Integration Challenges
Dennis Feucht  
6/30/2014   1 comment
An obvious limitation in integrating a two-port or transistor parameter analyzer is that, historically, curve tracers have been used to test power transistors, and they can require a large amount of pulsed power to be adequately tested.
The Diamond Plot
Steve Taranovich  
6/30/2014   7 comments
My signal is within the instrumentation amplifier’s specified input voltage range, but the output seems saturated. What’s happening? Is the part broken?
Looking Inside NFC Security: Eavesdropping Attack, Part 3
Victor Lorenzo  
6/30/2014   38 comments
The world is moving towards a globally connected devices network. Communications security becomes key from early design stages.
Power Factor Correction Principles in Flyback LED Driver
Richard Chung  
6/27/2014   Post a comment
While new EnergyStar directives for solid-state lighting require a power factor greater than 0.9 for power levels above 3W, the ballast input line current harmonics also need to meet the requirement set by IEC61000-3-2 Class C regulations.
Is There Still a Vacuum Tube in Your Future?
Analog Angle  
6/26/2014   27 comments
Most EEs don't think about vacuum electron devices, yet they still play a vital role in technology. Will GaN's progress accelerate their end?
IMS 2014 – Day 2 From an Applications Engineer Perspective
Jonathan Harris  
6/25/2014   15 comments
As is typically the case, at least from my observance in the last four years, the second day of the show proved to be the busiest.
IMS 2014: Day 3 From an Applications Engineer Perspective
Jonathan Harris  
6/25/2014   6 comments
After a good first two days and very enjoyable evenings of the IMS show, it was time for the last day, when traffic is typically good in the morning but tapers off as the day moves toward lunch and beyond.
How to Measure an Ultracapacitor’s State of Charge & State of Health
Mike Everett  
6/25/2014   11 comments
The use of electrochemical energy storage in high-reliability applications, such as those supporting the critical societal needs for reduction in carbon dioxide emissions or stabilizing the aging power grid, generally requires either real-time direct knowledge or at the very least, predicated state of the health of the energy storage device.
IMS 2014: Day 1 From an Applications Engineer Perspective
Jonathan Harris  
6/24/2014   7 comments
After a very eventful preparation and buildup to the IMS show this year, I’ll have to admit I was hoping for a smooth and uneventful show -- meaning no surprises resulting in something going wrong in the demonstration booth.
IMS2014 – The Preparation
Jonathan Harris  
6/23/2014   5 comments
Once again I thought I'd do a series of blogs on my experiences as an applications engineer for a major semiconductor company, Analog Devices, at International Microwave Symposium (IMS).
Back to School & Back to the Drawing Board for Those Who Neglect Circuit Protection
Bharat Shenoy  
6/20/2014   12 comments
Bharat Shenoy talked with members of the IEEE Student Chapter at Stanford University about some of the exciting things happening at Littelfuse.
Self-powered Internet of Things, From Theory to Reality – Small Sensors for Large Machines
Matthias Poppel  
6/19/2014   17 comments
Using energy-harvesting wireless technology, an intelligent predictive maintenance can be realized at affordable costs and even in retrofit projects.
Excel-Optimizing Resistor Ratios, Part 2
Aubrey Kagan  
6/18/2014   11 comments
Aubrey Kagan has completed the series on Excel that he set out to write nearly two years ago.
Parasitics & Capacitor Selection, Part 3: Dielectric Absorption (DA)
Chris Reynolds  
6/16/2014   3 comments
Parasitics often play a greater role in determining a capacitor's suitability for an application than the capacitance value of the part itself. This series looks at how some of these parasitics affect capacitor selection. This month, we'll examine dielectric absorption.
Why Ultracapacitors Belong in the Renewable Energy Value Chain
Mike Everett  
6/16/2014   26 comments
With ultracapacitors in the renewable energy value chain, renewable resources can increase and improve the quality of outputs, experience lower overall project costs, and optimize performance.
City Streetlights Become Smart: The New LED Street Lamps, Part 3
Paolo Scalisi  
6/16/2014   26 comments
The basic mechanism of the power conversion of the switching power regulator is the PWM strategy.
Where Are Your Analog Design Models Accurate?
Brandt Braswell  
6/13/2014   6 comments
The problem with producing models is that it is difficult to characterize the various sizes and lengths of transistors available for potential use in embedded circuit designs.
Wireless Power
John Perzow  
6/12/2014   31 comments
This is the first in a series of articles that will address the quickly evolving art and science of transmitting useful amounts of power without wires.
Page 1 / 2   >   >>




latest blogs
The Power Switches are the heart of every power converter. Their operation will directly determine the product's reliability and efficiency.
How do you measure and analyze a planet one-and-a-half times the size of Earth and 300 light years away? How can we know its composition? With the incredible technology of a cryogenic telescope like the Spitzer and Kepler Space Telescopes.
When you think of analog design tools, what comes to mind?
Today’s wearables demand lower capacitance, lower clamping voltage, and a smaller form factor.
One of the most fascinating aspects of many technologies is the way they transform the world in ways completely unanticipated by their developers.
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