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Content posted in March 2014
Colossus Mark 1
Steve Taranovich  
3/31/2014   8 comments
The National Museum of Computing located at Bletchley Park celebrated the 70th anniversary of Colossus, the first partially programmable electronic computer. Colossus went into service on February 1944, used for code breaking and the deciphering of Lorenz-encrypted communications used between Hitler and his generals.
Signal Isolation Reveals True Analog Competition
Analog Angle  
3/31/2014   7 comments
So many ways to isolate analog signals, each with strong and weak points; the choice reveals much about the circuit priorities as well as the engineer.
Failures in Aerospace Applications, Part 3
Paolo Scalisi  
3/31/2014   10 comments
Now let’s see the second type of error, the SEU, which is quite common in aerospace applications.
Parasitics & Capacitor Selection, Part 2D: Equivalent Series Resistance (ESR)
Chris Reynolds  
3/31/2014   2 comments
In ceramic capacitors, the dielectric effects outweigh the electrode and termination conductivity, as Class 1 dielectrics have lower ESR and experience the least change with frequency and temperature, so their ESR only drops slightly with increasing temperature.
Parasitics & Capacitor Selection, Part 2C: Equivalent Series Resistance (ESR)
Chris Reynolds  
3/31/2014   5 comments
It’s important to keep the metaphorical capacitor bucket refilled so that it’s ready to supply the next pulse.
Parasitics & Capacitor Selection, Part 2B: Equivalent Series Resistance (ESR)
Chris Reynolds  
3/31/2014   1 comment
In DC applications, capacitors are essentially used as batteries for the storage and release of charge.
Parasitics & Capacitor Selection, Part 2A: Equivalent Series Resistance (ESR)
Chris Reynolds  
3/31/2014   1 comment
Parasitics often play a greater role in determining the suitability of a capacitor for a given application than the actual capacitance value of the part itself. In this blog, we'll take a look at some of these parasitics and discuss how they affect capacitor selection.
Looking for Trouble in All the Wrong Places
Steve Taranovich  
3/28/2014   7 comments
Technological troubleshooting, insight and ideas from the experts at Analog Devices to help solve your real-world application challenges
Signal Chain Basics #87: ADC DNL in Precision Signal Chain Error Analysis
Signal Chain Basics  
3/27/2014   6 comments
For data acquisition systems that require the highest precision dynamic performance, integral nonlinearity (INL) can become a contributing error factor when offset, gain, and noise are removed through calibration and averaging.
APEC 2014: Jeff Nilles From TI Reviews the Conference & Events on Wednesday, Day 4
Steve Taranovich  
3/24/2014   17 comments
On Wednesday, APEC held their annual social event, this year at the home of the Dallas Cowboys, the Fort Worth AT&T stadium. Now let’s talk technical.
Bipolar Transistor Circuit Design & Analysis, Part 6
Howard Skolnik  
3/24/2014   19 comments
There are many applications for one or two transistors. These can include voltage and current amplification useful for interfacing between other system blocks (perhaps ICs)
Bipolar Transistor Circuit Design & Analysis, Part 5
Howard Skolnik  
3/24/2014   4 comments
In this section we see how to minimize output loading to maintain high gain along with more practical DC biasing.
Bipolar Transistor Circuit Design & Analysis, Part 4
Howard Skolnik  
3/24/2014   9 comments
In part 4 we consider the effects of a coupling capacitor and how to achieve higher gain.
ADC Basics, Part 12: An ADC Design Matrix to Fit Your Needs
Bonnie Baker  
3/21/2014   6 comments
The center of attention and conclusion of this series of ADC articles is to define and compare four multiplexed systems that have 5V supply voltage systems and are able to produce gain changes from 1 to 128.
Failures in Aerospace Applications, Part 2
Paolo Scalisi  
3/21/2014   16 comments
Let’s now describe in detail the most common type of SEE.
Letting Go of the Old Ways
Kendall Castor-Perry  
3/21/2014   13 comments
Don’t let people browbeat you into thinking that retro is the only respectable approach in analog.
APEC 2014: Transforming Energy Management
Steve Taranovich  
3/20/2014   9 comments
Comments on Monday’s opening Plenary session at APEC. Dave Freeman, CTO of power for TI, reminded us about resource savings again with a great example – something that kept us on the hook waiting for the real answer.
APEC 2014: Watching the Kick-Off
Steve Taranovich  
3/19/2014   Post a comment
This is the first in a series of guest blogs by Jeff Nilles from Texas Instruments.
What Happened to Napkin Sessions?
Brandt Braswell  
3/18/2014   18 comments
The use of hand calculations enables the engineer to understand how the circuit being designed really works and the sensitivities that lie therein.
Planet Analog First 'Ask the Experts' on March 26
Steve Taranovich  
3/17/2014   7 comments
Chat session and log in information for "Ask the experts"
Bipolar Transistor Circuit Design & Analysis, Part 3
Howard Skolnik  
3/17/2014   6 comments
In part 3 we continue to refine the design topology towards practical, reproducible, solutions.
Ultracapacitor Energy Storage on the Grid
Mike Everett  
3/17/2014   14 comments
It is amazing how slowly the technology development work on the grid is moving.
Bipolar Transistor Circuit Design & Analysis, Part 2
Howard Skolnik  
3/14/2014   4 comments
In part 2 we define the ac gain equation and expose factors affecting accurate results.
Neuronics: Distributed-Memory Addressing, Part 2
Dennis Feucht  
3/13/2014   9 comments
In this part 2 installment, we'll look at methods for the reduction of address space highlighted by the hashing function for CMAC memory.
Excel: Conditional Formatting
Aubrey Kagan  
3/12/2014   40 comments
When you right click on an Excel worksheet cell, you can change its numeric type, alignment, background color, and other properties. But did you know that you can have the cell change its format if different conditions are met?
Bipolar Transistor Circuit Design & Analysis, Part 1
Howard Skolnik  
3/10/2014   30 comments
There are many applications for one or two transistors. These include voltage and current amplification. Described here, in Part 1 of a series, is an easy to understand way of visualizing the operation of a bipolar transistor in its linear operating region.
The Age of Closed Proprietary Systems Has Come to an End
Matthias Poppel  
3/10/2014   19 comments
The age of proprietary systems and protocols is over. A highly connected world requires vendors that create open interfaces to their systems and work closely together with each other.
Internet of Things: How Will the Dream Come True?
Matthias Poppel  
3/10/2014   28 comments
Since last year, everybody is dreaming and talking about the Internet of Things, including myself. But that's not enough. We have reached the point where we need to go ahead and put the plans into actions.
Difference Amplifiers Enable Low-Loss, High-Performance Full-Wave Rectifier
Steve Taranovich  
3/6/2014   14 comments
A full-wave bridge rectifier converts an ac signal to a full-wave dc signal. Typically, a bridge formed by four diodes achieves full-wave rectification.
Temperature Measurement, Part 1
Aubrey Kagan  
3/6/2014   29 comments
This series of Temperature Measurement blogs was first published on the late, lamented forum, Microcontroller Central. I have modified it very slightly.




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