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RS-485 basics: When termination is necessary, and how to do it properly
Many signal integrity and communication issues with RS-485 networks stem from terminations, either from a lack of termination or improper termination. In this installment of the RS-485 basics series,...
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Eight things to consider when choosing haptic feedback – part 1
As integrated electronics begin to peak, the haptics industry is still in an early age of development. Many people interact with electronics and never think about the feedback transferred from the...
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Go differential to differentiate your precision design
While more of the industry’s newest high-resolution, precision analog-to-digital converters (ADCs) implement differential inputs to maximize performance, many designers still choose to use single-ended...
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Inductive sensing: How can an inductive switch be used for lid open/close...
A customer recently asked me to optimize a lid open/close detection mechanism for a consumer product. To avoid relying on potentially unreliable electrical contacts, magnets or expensive optical...
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Power naps: saving energy using ultrasonic sensing
Doesn’t it feel awesome when you walk into a room and the lights turn on by themselves? It’s likely that the person paying the electric bill feels so too: occupancy sensors correlate with saving...
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How to shift your automotive design to another level
Temperature, pressure, radar, cameras, ultrasonics – these are just a few of the sensors used in modern automobiles. Inside the car, you’ll find other complicated systems such as audio, video, gauges...
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Inductive sensing: WEBENCH® Coil Designer now designs stacked coils for...
In my last post, I showed step by step how WEBENCH® Coil Designer can produce the sensor computer-aided design (CAD) files for inductive-sensing applications. This method works well for single-coil...
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Eight things to consider when choosing haptic feedback – part 2
In the first installment of this two-part series, I discussed five things you should consider when picking a haptic driver and recent haptic advancements. To close this series off, we will cover the...
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Get Connected: Driving the development of CAN protocols at Plugfest
Welcome back to the Get Connected blog series on Analog Wire. In my previous post, we explored the pros and cons of operating RS-485 links without any termination on the bus. With careful selection of...
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RF sampling: linearity performance is not so straightforward
**This is the 14th post in an Analog Wire RF sampling blog series. **In my previous post, I discussed the impact of noise in radio frequency (RF) sampling architectures when receiving small signals to...
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What you need to know about transimpedance amplifiers – part 2
In the first installment of this series, I described various factors that affect the loop gain of a transimpedance amplifier (TIA) and demonstrated how to compensate a TIA to achieve a Butterworth...
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Eye doctor: Reflections and how to deal with them in high-speed systems
Welcome back to the “Eye Doctor” series! In the first installment, I highlighted the problems that can result from over-equalizing a signal. In this installment, I’d like to talk about another common...
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The dangers of deep snap-back ESD circuit-protection diodes
As technology continues to progress, many technology companies are focused on squeezing more and more chipsets into smaller spaces. As a result, chipsets have continued to shrink in size since the...
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The next-generation QFN: Do you have what it takes to use it?
“I need it to be thinner, lighter, smaller ... and most of all, I need it to deploy a new, state-of-the-art manufacturing technology that defies the norm and revolutionizes how we make a product.”Does...
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Precision current measurement enhances electronic power-steering systems
As vehicles become more electrified – not just electric vehicles or hybrid-electric vehicles, but even good-old gasoline/diesel power machines – it becomes more critical to accurately monitor the...
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Three ways to scale an analog input signal
As electronic devices become more self-aware, the need for voltage scaling increases. I’m not talking about artificial intelligence, like Hal from “2001: A Space Odyssey. I’m referring to are...
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How level shifters enable the transition to low-voltage processors in...
Consumer, computing, personal electronics, enterprise networking, automotive and industrial use cases are moving rapidly toward lower-voltage processor and microcontroller technologies. The advantages...
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How to select the right retimer for HDMI 2.0 applications
High-Definition Multimedia Interface (HDMI) is a popular video interface that uses transition minimized differential signaling (TMDS) as the main communication channel. Each TMDS data lane can support...
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How to implement IEEE 1588 time stamping in an Ethernet transceiver
This post is co-authored by Rob Rodrigues.The Institute of Electrical and Electronics Engineers (IEEE) 1588 Precision Time Protocol (PTP) offers a way to synchronize the time between different nodes on...
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RF sampling: analog-to-digital converter linearity sets sensitivity
In my previous post, I discussed details of third-order intermodulation (IM3) linearity parameters in active devices. Now let’s apply those techniques and parameters to a real RF-sampling receiver.The...
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