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Haptics: touch screens come alive in the new HMI design
Every year, technology plays a more fundamental role in our lives. As we become more reliant on electronics to perform simple processes and regulate our environment, users are demanding more friendly...
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Beyond the first Nyquist zone
IntroductionDesigners of data-acquisition systems– especially for precision measurements in process control or automation systems – have routinely designed their systems to operate in the first Nyquist...
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The wheels on the (digital) bus go round and round
The first time I looked at digital bus switches, I couldn’t come up with a use for them. Fortunately, I now know multiple ways to use them, and I’m going to share one of those ways with you here by...
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How ultra-low-jitter clock generators can optimize serial-link system...
In a world of ever-increasing Internet traffic and exploding mobile usage, the demands on telecom infrastructures to handle the rapidly growing data and video traffic become increasingly challenging....
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Avoiding common logic design issues
Engineers encounter large array of logic devices, but selecting the device that finally “fits the bill and cuts the deal” for the system can be a challenge to conquer. There are also time-consuming...
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Should you choose a thermistor or an analog temperature sensor?
Choosing the right temperature sensor not only saves cost but also maximizes system performance. In this blog post, I’ll focus on thermistors and analog temperature sensors, both of which are...
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How to simplify I2C tree when connecting multiple slaves to an I2C master
Electronic products such as smartphones, tablets, TVs, cars … even refrigerators and washing machines have added more and more features over the last few years to make life easier for users. To play...
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Capacitive sensing: which architecture should you choose?
Capacitive sensing can present itself in many applications, ranging from proximity detection and gesture recognition to liquid-level sensing. Regardless of application, the defining factor of...
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Get Connected: The basics of protecting RS-485 against ESD
Welcome back to the Get Connected blog series on Analog Wire. In my last post, I discussed fail-safe biasing of differential buses and how to implement fail-safe biasing in your designs. In this post,...
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SigCon Architect: The keys to your high-speed design
When you walk into a car dealer’s showroom, it’s hard not to be impressed by the new cars, spotless and gleaming under flattering lights. Yet no amount of fancy showmanship substitutes for the...
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RF sampling: interleaving builds faster ADCs
There is an increasing demand in modern receiver systems for higher capacity and more data throughput. We must have high-sample-rate data converters and high-dynamic-range systems. Some...
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Noise effects on the precision of amplifiers
When building analog signal chains for precision, you should consider several factors during component selection to maintain accuracy in your resulting measurements: offset, offset drift (with...
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Good designs need the right translation
Translators are becoming indispensable devices on any board to connect two systems working at different voltage levels. The translation solution’s input threshold (Vil, Vih) should be within the...
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It’s time for an upgrade: CMOS ADC with chopper
Until recently, industrial applications such as precision motor control or plasma etchers couldn’t take full advantage of modern high-speed data converters. Because these systems monitor a small input...
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PurePath Console 3 gets fine-tuned!
If you have heard about smart amplifiers, you may be considering how to make audio a true differentiator in your next product. While you are certain that you can design, layout and manufacture a...
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Inductive sensing: target size matters
In previous posts, we have been talking a lot about how sensor size affects sensing range. Using coils with large diameters increases the inductive-sensing range; however, target size also has an...
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RF sampling: frequency planning yields a clean spectrum
** This is the eighth post in an RF-sampling blog series that appears monthly on Analog Wire. **You think your radio frequency (RF) sampling design is well in hand because you selected the proper...
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Cold chain in the IoT
Have you ever had a shipment of expensive temperature-sensitive prescription drugs sent to your home? What if the container was opened allowing the contents to increase in temperature and you weren’t...
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Capacitive sensing: simple algorithm for proximity sensing
Proximity-sensing applications require the detection of small changes in capacitance (typically on the order of a few femtofarads) around the noise floor. Since there are many ways to process the data...
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Create a filter circuit faster than ever before
Filter Designer has always been a good, solid member of the WEBENCH® family of design software. Now it is not just good; its improvements make it easier than ever to use. You first start on the WEBENCH...
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