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Content posted in October 2014
Interfacing to ADCs: Power Supplies, Part 5
Jonathan Harris  
10/31/2014   2 comments
Previously in this blog series we looked at using a DC/DC converter (switching regulator) in combination with an LDO to drive the power supply inputs to an ADC. What we found was that using the DC/DC converter to step down the input voltage for the LDO was a much more efficient way to drive the power supply inputs to an ADC.
Design Considerations in Modern Wireless Power Transfer Systems: Frequency of Operation
Fady Mishriki  
10/30/2014   19 comments
Recent innovations have led to a variety of wireless power systems that can be tailored to many industrial and consumer applications.
ASSNs: The Proliferation of Sensor Fusion
Marcellino Gemelli  
10/30/2014   4 comments
The growing wearable, smart home, and IoT design communities would like to reliably detect, interpret, and understand their products’ motion to captivate users in novel ways.
Chronicles of Planet Analog Talented Authors: Bill Schweber
Steve Taranovich  
10/30/2014   8 comments
I have always followed and enjoyed Bill Schweber’s witty and informative articles from the time he was at Analog Devices on through his time at EDN and EE Times and now as he writes for us on Planet Analog.
Teleportation, Quantum Mechanics & Quantum Bits
Steve Taranovich  
10/30/2014   23 comments
Quantum theory supported by many experiments reveals that the quantum connection between two particles can persist even if they are countless light years away from each other.
Seemingly Simple Circuits, Part 3: Effect of Resistor Tolerances on Diff-Amp Gains
Dennis Feucht  
10/28/2014   12 comments
Resistor tolerances will cause amplification to depart from the ideal. In many seemingly undemanding designs, 1% resistors are not adequate, usually because of excessive CM gain.
EMI Noise, Part 2: Don’t Be the Victim
Edgardo Menendez  
10/28/2014   19 comments
There is always a source, a path, and a victim when it comes to electromagnetic interference (EMI) and other types of electrical noise. This post focuses on the victim and what you can do to avoid becoming one.
Don’t Let Lightning-Induced Surges Shock You (or Your Spacecraft)
Bharat Shenoy  
10/24/2014   31 comments
Let's discuss the importance of circuit protection in mission-critical applications.
What Competes With Ultracapacitors?
Mike Everett  
10/24/2014   27 comments
Ultracapacitor manufacturers that have commercialized the technology find themselves in a constant competitive environment in which consumers weigh the pros and cons of various technologies to determine which one best suits their applications.
Designing SAR ADC Anti-Aliasing Filters
Signal Chain Basics  
10/22/2014   6 comments
One of the most challenging aspects in optimizing the performance of a successive-approximation-register analog-to-digital converter (SAR ADC) is the design of the anti-aliasing filter (AAF).
Franken-Systems & Electronic Design
Steve Taranovich  
10/21/2014   42 comments
A Franken-system is a collection of development boards, wired together to create a very non-form-factor early prototype.
When Is a Reference Not Adequate? It Depends
Brandt Braswell  
10/21/2014   48 comments
In the design of analog front ends that require low noise, it is important to consider all aspects of the design.
Analog or Digital?
Kendall Castor-Perry  
10/20/2014   35 comments
You should be pretty warmed up for "Ask The Experts" by now. Here’s the last of those three conundra. It’s the one that usually provokes the greatest debate.
Narrow or Broad?
Kendall Castor-Perry  
10/17/2014   12 comments
What’s getting in the way? Are you trying to filter something out, or filter something in?
Time or Frequency?
Kendall Castor-Perry  
10/16/2014   4 comments
This is the first in a rapid-fire sequence of mini-blogs to get your brain cells warmed up for the Ask The Experts session on filter design on October 22.
Q&A With Professor Cristian Borcea, New Jersey Institute of Technology
Steve Taranovich  
10/15/2014   7 comments
An interview with Cristian Borcea, Associate Chair, Department of Computer Science, New Jersey Institute of Technology.
How Incorrect Modeling Can Ruin Your Analyses
Steve Taranovich  
10/13/2014   18 comments
Here is a simple sampling of data. Think carefully before providing an answer or a diagram.
Smart Cities: The Future of Urban Areas, Part 4
Paolo Scalisi  
10/13/2014   15 comments
The smart cities project is a key project because it involves many different and appealing technologies
The Enabling Chip Technologies Behind Miniature Implantable Medical Devices
James McDonald  
10/13/2014   15 comments
IMDs have an approximate size of ~15 to 50 cc. Such devices are common for use in the chest or abdomen.
The Plight of the Working Electronics Lab
Ken Coffman  
10/10/2014   32 comments
Let’s talk about something near and dear to my old, shriveled heart: the electronics lab.
Layout-Dependent Effects in Analog Design
Keith Sabine  
10/9/2014   8 comments
Analog designers have always had to worry about physical layout to get good matching of devices.
ADC Input Ranging
Dennis Feucht  
10/7/2014   6 comments
The input range of a single-supply ADC can be extended with three resistors and some design formulas.
Smart Cities: The Future of Urban Areas, Part 3
Paolo Scalisi  
10/7/2014   8 comments
The communication infrastructure of future smart cities can be used for connecting all the smart systems that are able to manage the electric power in an automated mode, making it possible to increase the energy saving and the safety of big urban areas.
Seemingly Simple Circuits, Part 2: Diff-Amp Calibration & Measurement
Dennis Feucht  
10/4/2014   1 comment
With one-op-amp diff-amp parameters defined in the previous article in this series, the following calibration procedure can be applied manually or by a μC-based system.
DAC BASICS, Part 2: DAC Architectures
Bonnie Baker  
10/3/2014   3 comments
In this series of DAC Basics, we start out by briefly discussing three architectures: the string DAC, R-2R DAC, and multiplying DAC.
Interfacing to ADCs: Power Supplies, Part 4
Jonathan Harris  
10/2/2014   Post a comment
We look at using a DC/DC converter along with an LDO to drive the ADC power supply inputs.




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