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4 steps to reduce EMI when designing with Darlington relay drivers
Have you avoided multi-channel relay drivers because of EMI problems? This EMI problem can be solved by increasing the rise/fall time so that the circuit board traces to the loads do not act like...
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What you always wanted to know about TINA-TI but were afraid to ask!
There is a lot you can do with TINA-TI; more than is obvious at first glance. This free electrical simulation software from TI is capable of unlimited nodes, it already has most of TI devices built-in...
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Sensor signal conditioner to the rescue!
Can you make it cheaper in price? How often have you been asked this question? In my case, almost always! In this blog I’ll share my idea for...
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Top 5 Reasons to be thankful for engineers
It’s that time of the season to give thanks for the things we value, and this year I wanted to give thanks to those of our profession that have made modern life possible – that would be Engineers and...
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Oximeter signaling: There’s more than meets the eye
Guest blogger, Jess Goodman M.D., is the current President of VitalSines Inc., a company which manufactures health monitoring systems. Dr. Goodman is a physician with 30+ years of experience and...
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The promise of the Internet of Things: Proliferating sensor nodes
While the term Internet of Things (IoT) is relatively new, the idea behind it is not. We have anticipated the arrival of the “intelligent ambient” since the 1960’s – if not before. The fictional...
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What’s the difference between macro models and behavioral models?
Have you ever wondered what the difference is between a Spice macro model and a behavioral model? The basic difference is that macro models like the LMV641 are transistor based. There’s of...
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An engineer's ode to Christmas
It’s been a year of progress made, successes and lessons learned. And now it’s time to sit back, reap the benefits and enjoy the good tidings! Rick Zarr, TI guru and technologist, wishes you Happy...
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A new way to illuminate the human condition
Before we dive in, I want to share three relevant quotes from Marshall McLuhan:“We look at the present through a rear-view mirror. We march backwards into the future.”“When you are on the phone or on...
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Get Connected: A new blog series
With today’s fast paced lifestyle, getting connected implies a lot of different things. For a graduate student, an Internet connection might get them a free cup of coffee at their favorite coffee shop....
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Designing for industrial environments
In a previous two-part Industrial Strength Design post on the Energy Zarr Blog, I discussed some of the challenges with designing for hostile industrial environments. I focused mostly on the thermal...
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Back powering: Why are the lights on when the power is off?
You have your new logic circuit running and everything works as designed. Then you turn off the power and the circuit continues to work. What is going on?In today’s world, with all the plug-and-play...
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The Future of Analog survey results – the people have spoken!
Over the past several months I’ve been blogging about how analog is shaping our future – especially over the next decade. But we really wanted to hear what YOU think will be important. In my last post...
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Let there be light
Converting light into a voltage is no trivial task. Photodiodes are used in various areas ranging from general purpose use, such as automatic faucets, hand dryers and bill counters, to industrial...
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See TI’s 25G Retimers in action at DesignCon 2014
25G technology is making a splash at DesignCon 2014. You can see it live in real world 100G system demos in TI’s partner booths: FCI’s booth #403 and TE Connectivity booth #607. Designed to tame the...
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How to evaluate a transimpedance amplifier (part 1)
In this blog, I want take a different approach and describe the technical challenge encountered while bench characterizing the OPA857, a dedicated transimpedance amplifier (TIA) with two internal gain...
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See the 100GbE system video demonstrations from DesignCon 2014
DesignCon 2014 is almost over so if you missed one of the hottest topics on the show floor, don’t worry, we can show you the video right here at Analog Wire. Click on these thee videos to see 100GbE...
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What you always wanted to know about TINA-TI but were afraid to ask! (Part 2)
In Part 1 I explained how to create a versatile and accurate differential source in TINA-TI which comes in handy when dealing with a fully differential amplifier (FDA) or other differential circuits....
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Measuring additive jitter in fanout buffers
If you’re working in the communications industry, then you are probably familiar with the effects of jitter on the performance of your system. Jitter will degrade the performance of data converters...
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A new era for CMOS amplifiers
A little over a decade ago, semiconductor design and applications engineers high fived each other when they had working silicon on CMOS because it achieved sub 100uV of input offset voltage in...
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