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Content posted in October 2013
How Do You Deal With IR Drop?
Brad Albing  
10/31/2013   13 comments
Voltage drop between power sources and loads are a fact of (engineering) life. There are various ways to deal with the problem. Here's a new way.
How Much Juice Is in Your Lead-Acid Battery?
Brad Albing  
10/31/2013   21 comments
Measuring the state of charge in a lead-acid cell would be easy with the right tools. Now you have the way to do it.
Neuronics Creates Highly Efficient Memory, Part 2
Dennis Feucht  
10/31/2013   6 comments
Using analog techniques that mimic the brain, highly efficient memory can be constructed.
New Instrumentation Amplifier Makes Sensing Easy
Brad Albing  
10/30/2013   3 comments
Intersil has a new instrumentation amplifier available that is just right for industrial and medical applications.
Join the Growing Club of DIY Analog IC Design
Scott Elder  
10/30/2013   28 comments
Fewer companies fabricate their own ICs; more are going fabless. Companies now just need the software to design their ICs – and that is a growing trend.
ADC Basics, Part 10B: 16-Bit Converter Gives a Gainable 12-Bit System
Bonnie Baker  
10/30/2013   Post a comment
We continue our look at the requirements for a 12-bit data acquisition system. In part B, a closer look at noise issues.
Neuronics Creates Highly Efficient Memory, Part 1
Dennis Feucht  
10/30/2013   Post a comment
Using analog techniques that mimic the brain, highly efficient memory can be constructed.
NXP MOSFETS Webinar: Sign Up Now
Brad Albing  
10/29/2013   2 comments
NXP has a new seminar on Wednesday, October 30, that covers its new line of ultra-small power FETs.
ADC Basics, Part 10A: 16-Bit Converter Gives a Gainable 12-Bit System
Bonnie Baker  
10/29/2013   2 comments
We continue our look at the requirements for a 12-bit data acquisition system. We consider several ways to implement system gain changes, one method of which is purely digital; then, a closer look at noise issues.
SoC Is Hot for Smart Metering
Blaine Bateman  
10/29/2013   21 comments
The market for smart meters and the associated SoC internal electronics is heating up. Two IC manufacturers are leading the pack.
Can We Put Other Instruments on a Chip? Part 2
Dennis Feucht  
10/29/2013   1 comment
Continuing the discussion from Z meters, we take a close look at putting function generators (or waveform generators) on a chip.
Can We Put Other Instruments on a Chip? Part 1
Dennis Feucht  
10/28/2013   Post a comment
Continuing the discussion from Z meters, we take a close look at putting function generators (or waveform generators) on a chip.
Automotive Applications Call Out for Cost Savings
Brad Albing  
10/28/2013   21 comments
Cars contain much more electronics than they did even 10 years ago – everyone knows that. Now we just need a way to get more functionality in a smaller space to reduce costs.
Functional Integration Changes Your Calibration Strategy, Part 2
Analog Angle  
10/28/2013   1 comment
How you implement calibration for your analog circuit and sensor channel has a major effect on system design and performance.
Functional Integration Changes Your Calibration Strategy, Part 1
Analog Angle  
10/25/2013   4 comments
How you implement calibration for your analog circuit and sensor channel has a major effect on system design and performance.
Driving to Resonance
Paolo Scalisi  
10/25/2013   4 comments
Use an LC resonant circuit to decouple voltage drivers from loads.
Henry Ott, Master of EMC, Part 2
Chris Gammell  
10/25/2013   2 comments
After almost 30 years working at Bell Labs, Henry Ott spent his next 30 years teaching others about electromagnetic compatibility, and he continues to do so in public and private seminars.
Henry Ott, Master of EMC, Part 1
Chris Gammell  
10/24/2013   2 comments
After almost 30 years working at Bell Labs, Henry Ott spent his next 30 years teaching others about electromagnetic compatibility, and he continues to do so in public and private seminars.
Which Is Better: SAR or Delta-Sigma ADCs?
Maithil Pachchigar  
10/24/2013   18 comments
For high dynamic range applications, you need to closely examine the characteristics of successive approximation register ADCs with delta-sigma ADCs to see which will work best.
Choosing & Using Design & Simulation Tools
Brad Albing  
10/24/2013   10 comments
An overview of our survey on the selection and use of schematic capture and circuit analysis tools.
Trace Signals From Behind Closed Doors
Aubrey Kagan  
10/24/2013   6 comments
A repost from the former Microcontroller Central of a blog on modular, portable 'scope/data acquisition system.
Interconnect & Photonics: Do EEs Need to Go Back to School?
Blaine Bateman  
10/22/2013   12 comments
Analog design engineers should start learning about photonics. Sending lots of data via light is the new technology.
ADC Noise: Where Does It Come From?
Jonathan Harris  
10/21/2013   16 comments
How does noise get mixed in with the signal you want to convert in your ADC? And how can you keep it out?
Do We Really Need Yet Another Op-Amp?
Analog Angle  
10/21/2013   7 comments
Just when you think vendors already have enough of these in their portfolio, they introduce more.
Integrating the Trimming & Satisfying the Customer’s Needs, Part 1
Paolo Scalisi  
10/21/2013   3 comments
Combining the voltage set-point resistors with the voltage regulator makes a versatile device and keeps customers happy.
Let's Put a Set-Top Box on a Chip
Brad Albing  
10/18/2013   35 comments
The set-top box contains a lot of circuitry and a lot of functionality. Can it be condensed onto a chip?
Getting From Scopes to Semiconductor Innovations
Dennis Feucht  
10/17/2013   119 comments
Semiconductor companies are in a unique position. They can leverage their capabilities into manufacturing products to use their components.
Plug That leak: Look out for Capacitor Leakage!
Precision Hub  
10/17/2013   17 comments
Even though your op-amp's specs indicate low offset voltage and bias current, leakage currents can induce significant offsets.
Powering Your FPGA? Reduce Footprint Size
Sureena Gupta  
10/17/2013   11 comments
With careful selection of devices, you can reduce the overall area needed for the power supply -- and maybe get improved functionality as a bonus.
Envelope Tracking Improves Supply Efficiency
Steve Taranovich  
10/16/2013   2 comments
Envelope tracking provides a way to increase overall power supply efficiency by adjusting the supply bus voltage to drive the load at the appropriate power level.
OVP Methods: MOSFET vs. SCR – Who Wins?
Willie Chan  
10/16/2013   15 comments
The common method of overvoltage protection, the SCR, is no longer a good choice with today's very low voltage FPGAs and microprocessors.
Put an Oscilloscope on a Chip: Why Not?
Brad Albing  
10/15/2013   61 comments
If we can put a DMM and a Z meter on a chip, can we do the same for a 'scope?
The AFE: How Much Should Be Inside?
Brad Albing  
10/15/2013   2 comments
We're having a chat session tomorrow, October 16. The topic is, The AFE: How Much Should Be Inside?
Build Your Own Software-Defined Radio
Brad Albing  
10/14/2013   9 comments
Software-defined radios are getting easy to build and are becoming more powerful in their capabilities.
The AFE: How Much Should Be Inside?
Brad Albing  
10/11/2013   15 comments
We're having a chat session Wednesday, Oct. 16. The topic: How much should be packed in an AFE?
This Little Relay Had Roast Beef
Peter Zawistowski  
10/11/2013   3 comments
Continuing our relay discussion, we'll look at relay contacts and why we would select different material types. Specifying them can be tricky. A summary of contact material is shown.
Ignore Connector Characteristics at Your Own Peril
Blaine Bateman  
10/10/2013   9 comments
When doing a simulation of your RF circuit design, don't stop once you're done with the actual circuit -- include the connectors, too. Or else.
Z Meter on a Chip? Impedance Meter Integration and Readout
Dennis Feucht  
10/10/2013   5 comments
To finish the analysis of how to fabricate an impedance (Z) meter on an IC, Dennis Feucht takes a look at the readout portion of the meter. This is the last of five blogs covering a Z meter.
Designing With an Inductance to Digital Converter
Brad Albing  
10/9/2013   25 comments
Measuring inductance accurately is a bit tricky, especially if the Q is low. Here is an easy, accurate, inexpensive way to do it.
Interleaving Spurs: The Mathmatics of Timing Mismatch
Jonathan Harris  
10/7/2013   5 comments
Continuing the math analysis from our previous discussion about ADC mismatches, we now look at how a timing mismatch can result in a significant spur.
ADC Basics, Part 9: PGA Embedded in an 8-Channel, 12-Bit SAR
Bonnie Baker  
10/7/2013   10 comments
We continue our look at the requirements for the critical parts in a 12-bit ADC systems. Noise and timing issues are examined.
Z Meter on a Chip? Impedance Meter Phase Detectors
Dennis Feucht  
10/4/2013   7 comments
To understand how to fabricate an impedance (Z) meter on an IC, Dennis Feucht takes a close look at the phase detector that measures the phase difference between voltage and current with the impedance under test. This is the fourth of five blogs covering a Z meter.
Signal Chain Basics #82: Crosstalk Between Outputs in Clocking Devices
Signal Chain Basics  
10/4/2013   13 comments
Crosstalk can be a significant concern for a clocking device with multiple outputs generating different frequencies.
Get Up on the Fundamentals of Energy Management
Brad Albing  
10/2/2013   58 comments
Maxim has a short online course on the fundamentals of energy management.
Using Data Tables in Excel
Aubrey Kagan  
10/2/2013   18 comments
Using the Data Table capability in Excel to explore the results of varying one or two component values in a circuit.
The Analog Front End: How Much Should Be Inside?
Steve Taranovich  
10/1/2013   34 comments
In preparation for our upcoming chat on analog front ends, let's look at the kind of circuitry one often sees in these devices and the specifications often attached to them.




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