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Analog Quizzes by Jim Williams Return to Test You
Steve Taranovich  
8/25/2016   4 comments
Quiz questions published in EDN in 1985 and 1986 are still relevant today. Jim may be gone, but the analog gremlins live on.
Measuring LDO Noise Spectral Density for a Novice
Jonathan Harris  
8/25/2016   Post a comment
Characterize the noise spectral density (NSD) of an LDO, otherwise known as a low dropout voltage regulator.
Short notes about lightning, Part 2: Electrostatic field strength measurement
Victor Lorenzo  
8/24/2016   Post a comment
Lightning protection strategies gain a safety boost when complemented with storm tracking and prediction. There existing relation between the formation of electrostatically charged clouds and the occurrence of lightning can be used for improving safety and thunderstorms prediction accuracy.
An Illustrated Guide to Transistor Amplifiers
Dennis Feucht  
8/23/2016   8 comments
The Author Explains Why Another Analog Circuits Book
How to stop a train – capture energy, save money
Shaw Lynds  
8/22/2016   Post a comment
Approximately 80 percent of total energy consumed by trains is for traction, and this energy is generally given off as waste heat as the train decelerates into a station.
Resistor orientation and the thermal EMF effect
Steve Taranovich  
8/22/2016   Post a comment
Maintaining a constant temperature around precision resistors is integral to maintaining the stability of a circuit
LEDs Are Becoming the Prominent Automotive Lighting Technology
Scott Deuty  
8/22/2016   Post a comment
As LEDs improve in brightness, they are offering many benefits in the automotive world. Having hung on a step ladder in an icy truck lot while changing filament bulbs on over the road trailers in a Siberiacuse winter, I understand the advantages all too well.
Signal Chain Basics #115: The impact of the feedback resistance value on gain, bandwidth, and slew rate in current feedback amplifiers
Signal Chain Basics  
8/18/2016   5 comments
Current feedback (CFB) amplifiers have been available since the 1990s, but they are still a small percentage of the overall operational amplifier (op amp) market and may not be covered in basic electrical engineering classes.
We Are Losing our Abilities as Troubleshooters in the Same Way We Are Losing Our Leadership as Innovators
Scott Deuty  
8/16/2016   22 comments
A recent breakdown of a friend’s vehicle made me really start thinking about America’s troubleshooting capabilities. It is a well-known fact that America is losing its leadership as innovators; however, our ability as troubleshooters is in jeopardy as well.
Going Full Tilt
Ian Beavers  
8/16/2016   Post a comment
I would like to improve the accuracy and repeatability of tilt measurements using the ADIS16209 inclinometer. Can I use several of these sensors in parallel to improve the accuracy?
More to Microphones than MEMS
Analog Angle  
8/15/2016   3 comments
MEMS-based microphones are way ahead of traditional electromechanical microphones in unit volume; the classic designs still have their unique roles—but for how long?
Bluetooth-Enabled Tools: Too Much IoT?
Analog Angle  
8/12/2016   1 comment
Adding wireless connectivity and an app to a basic product brings benefits, but at what design cost plus potential user headaches?
Seemingly Simple Circuits: The TL431 Voltage Regulator, Part 2
Dennis Feucht  
8/12/2016   Post a comment
We submerge somewhat deeper into analysis of the seemingly simple TL431 voltage reference with transconductance amplifier to find that some useful design parameters are missing from the manufacturer specifications.
Jupiter: The IC Danger Zone, Part 1
Kristen Villemez  
8/10/2016   7 comments
There are many things which engineers at NASA, Space X, and at a semiconductor company like ADI must consider when developing products for use in space that anyone else wouldn’t have to worry about for earth-bound applications, most notably of which is radiation (of course unless you’re working on a nuclear power plant).
Rarely Asked Questions—Issue 132 Choosing a Precision Op Amp? Trust Goldilocks
Steve Taranovich  
8/9/2016   Post a comment
Choosing the appropriate bandwidth for application of a precision op amp is a lot like the experience of Goldilocks trying to choose between the three bears’ bowls of porridge - one bowl was too hot, one bowl was too cold, and one was just right.
Smart sun exposure: A non-invasive wearable electronics solution to preserve our health, Part 2
Busy Blogger  
8/8/2016   2 comments
Ultraviolet rays are not always dangerous, they are useful to the human body to produce vitamin D, however it is very important to avoid excess of exposure because many dangerous diseases might occur; for example, the human eye in case of excessive exposition time to the UVs
SEMICON West 2016: My top 5 most interesting discoveries about Sandia Labs and 5 incredible facts about Keahi Seymour’s “Bionic Boot”
Steve Taranovich  
8/6/2016   2 comments
Being at SEMICON West 2016 in San Francisco this year for the first time, I saw so many new aspects of the supply chain that I had never looked into or, in some cases, was not even aware of. I would like to share with you 5 most interesting discoveries each about Sandia Labs and the Bionic Boot exhibits that I saw at this event
Niche Devices
Aubrey Kagan  
8/5/2016   12 comments
There is a plethora of devices aimed at very narrow markets. If you aren’t in that market you will never use one of those devices
I-Sport: How sports equipment powered with smart integrated electronic devices can enhance our activities, Part 4
Luca Difalco  
8/3/2016   2 comments
The use of smart sensors and integrated devices, increases our consciousness about things we do every day
Smart sun exposure: A non-invasive wearable electronics solution to preserve our health, Part 1
Busy Blogger  
8/2/2016   1 comment
How can the electronics technology help people to be more protected from the UV rays’ dangerous effects?
i-Robot: A new approach to robotics to make our life easier and safer, Part 4
Busy Blogger  
8/2/2016   3 comments
The next step is the robot that is able to interact with humans
Seemingly Simple Circuits: The TL431 Voltage Regulator, Part 1
Dennis Feucht  
8/1/2016   4 comments
This six-part series not only covers the TL431 as such but also demonstrates multiple depths of analog understanding. The parts of the series proceed from snorkeling, to SCUBA diving, to pressure suits and even bathyscaphs.
Juno Jokes and a challenge to our readers
Steve Taranovich  
7/30/2016   2 comments
I am challenging our Planet Analog audience to submit a Juno Joke that must be of somewhat technical nature but with a geeky, humorous slant
Energy is Always Conserved However It Is Not Always Logically Acquired
Scott Deuty  
7/29/2016   3 comments
The main subject of the blog is heating with firewood. Although it’s not directly related to analog engineering, I’ll think you’ll be able to identify with at least one engineer who fits the stereotype described within
What’s All This Noise Floor Stuff?
Scott Deuty  
7/29/2016   2 comments
A simple introduction shows what the noise floor principles are and how technology currently relies heavily on synchronizing to a noise-free clock
Passive radar/sonar changes analog circuits, processing
Analog Angle  
7/27/2016   1 comment
High-performance, passive radar and sonar systems offer enhanced stealth potential, but also place major demands on the analog sensor and front end channels, as well as the digital signal-processing algorithms.
Should the Population be Concerned About an Electromagnetic Pulse (EMP)?
Scott Deuty  
7/26/2016   8 comments
The reliance of society on electronics invokes fear in terms of what happens when an Electromagnetic Pulse, or EMP disables these electronics. This conversation came up recently.
Op Amp Circuitry Ultra-High-Precision Resistor Usage: Matching and Stability Importance
Victor Chertakovsky  
7/26/2016   Post a comment
Some ideal operational amplifier (often op-amp or opamp) configurations assume that the feedback resistors exhibit perfect matching. In practice, resistor nonidealities can affect various circuit parameters such as common mode rejection ratio (CMRR), harmonic distortion, and stability.
We interrupt this program……. ADI and LTC to join together
Steve Taranovich  
7/26/2016   9 comments
Analog Devices and Linear Technology announced that they will combine.
Statistical simulations to replace corner simulations?
Brandt Braswell  
7/24/2016   Post a comment
Will the designer no longer be able to run corner simulations with confidence - are statistical simulations the only viable option?
Go ASIC for Analog?
Analog Angle  
7/20/2016   3 comments
Analog ASICs offer an alternative that deserves serious consideration, despite the huge number of excellent, off-the-shelf analog ICs.
NASA Juno electronics study Jupiter: Gravity Science Experiment
Steve Taranovich  
7/19/2016   Post a comment
The Juno spacecraft now orbiting Jupiter has a suite of science instruments which will investigate the existence of a possible solid planetary core, map Jupiter’s intense magnetic field, measure the amount of water and ammonia in the deep atmosphere, and observe the planet’s auroras
The Calculator: An Important Engineering Tool
Dennis Feucht  
7/19/2016   11 comments
With the emergence of hand-sized computers, calculators have lost some of their former prominence, yet they continue to be a convenient and important engineering tool.
The HP15C returns as an iPhone app
Ken Coffman  
7/18/2016   4 comments
HP15C revisited
Short notes about lightning: Part 1
Victor Lorenzo  
7/18/2016   3 comments
For engineers and technicians, the event of changing occupation tends to come associated with the challenge of diving into new knowledge areas. Entering into the lightning research and protection world is one remarkable example.
Virtual Eval Through the Eyes of an ADC, Part 2
Jonathan Harris  
7/15/2016   Post a comment
Now that we’ve had a chance to learn a bit about the tool we will take a look at using Virtual Eval to predict the performance of the AD9680-500 which has integrated digital downconverters (DDCs) and will compare simulated data to measured data.
The i-Robot: A new approach to robotics to make our life easier and safer, Part 3
Busy Blogger  
7/9/2016   3 comments
Robots might make our daily life more comfortable by mean of the IOT technology that is further spreading all around the world taking to the creation of smart homes
i-Robot: A new approach to robotics to make our life easier and safer, Part 2
Busy Blogger  
7/9/2016   4 comments
A good example of this concept is a medical robot that is utilized by helping a doctor during a surgery.
eGaN Technology Reliability and Physics of Failure Blog #3
Chris Jakubiec  
7/9/2016   3 comments
In this installment we will examine the stress tests that EPC devices are subjected to prior to being considered qualified products
Common-Base Bypassing and How It Affects CB Frequency Response
Dennis Feucht  
7/8/2016   4 comments
The common-base (CB) BJT configuration is the second stage of cascode amplifiers. It is useful as a voltage translator to the high side of an amplifier with a large voltage range. This article addresses the question of how the RB, CB combination at the base node affects the frequency response.
Active Signal Characterization
Steven LeBoeuf, Ph.D.  
7/8/2016   Post a comment
The accuracy of biometric wearables continues to get a great deal of attention, particularly related to the accuracy of optical heart rate monitors in consumer wearable devices today. There are many aspects to answering that question, but this post will focus on one of the most important aspects known as “active signal characterization”.
Time, Frequency, and Spatiotemporal Domains
Raj Nair  
7/6/2016   Post a comment
DVD is a key measure of chip power integrity, and requires careful inspection during chip design. It is a sign-off gating aspect of chip power delivery.
Danger, Will Robinson
Aubrey Kagan  
7/5/2016   13 comments

You think that rectification of a signal for power is a trivial matter. Beware, some people think they know, but what they know is dangerous. And that’s without hidden gotchas.

The i-Robot: A new approach to robotics to make our life easier and safer, Part 1
Busy Blogger  
7/2/2016   Post a comment
Electronics applied to the robotics is playing an important role in the didactical programs of many students of different countries
Signal Chain Basics #114: Estimate the effect of DC/DC supply ripple on a SAR ADC acquisition system
Signal Chain Basics  
7/1/2016   Post a comment
When designing circuits with precision analog-to-digital converters (ADCs), designers must carefully consider all sources of noise in the acquisition system, including noise injected through the power supplies.
NASA Juno Spacecraft Radio
Steve Taranovich  
6/28/2016   9 comments
The NASA spacecraft, Juno, is about to complete its 1.8 billion mile journey to Jupiter and go into orbit around the giant planet on July 4.
Is AI biased?
Steve Taranovich  
6/28/2016   4 comments
The “I” in Artificial Intelligence (AI) relies on inputs from the human beings that create it and teach it. Crawford says that Sexism, racism and other forms of discrimination are being built into the machine-learning algorithms that underlie the technology behind many “intelligent” systems that shape how we are categorized and advertised to.
Two Technology Setbacks on the Same Day
Scott Deuty  
6/28/2016   9 comments
There are times when technology impacts your view on life. Recently, Facebook posts hit two of my soft spots in the same day; changing tires and bailing hay.
Op Amps: Transconductance versus Voltage Feedback
Scott Deuty  
6/23/2016   10 comments
The subject of transconductance op amps versus voltage feedback op amps has always intrigued me. Therefore, I thought it would be a good issue for the Planet Analog audience to debate.
Virtual Eval Through the Eyes of an ADC
Jonathan Harris  
6/21/2016   2 comments
As I mentioned in my last blog I would like to take some time in this blog to introduce you to the new online simulator tool offered by Analog Devices called Virtual Eval.
Page 1 / 2   >   >>




latest blogs
Quiz questions published in EDN in 1985 and 1986 are still relevant today. Jim may be gone, but the analog gremlins live on.
Characterize the noise spectral density (NSD) of an LDO, otherwise known as a low dropout voltage regulator.
Lightning protection strategies gain a safety boost when complemented with storm tracking and prediction. There existing relation between the formation of electrostatically charged clouds and the occurrence of lightning can be used for improving safety and thunderstorms prediction accuracy.
The Author Explains Why Another Analog Circuits Book
Approximately 80 percent of total energy consumed by trains is for traction, and this energy is generally given off as waste heat as the train decelerates into a station.
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