The Coriolis effect, a subtle and often-misunderstood principle of physics, has been adapted for highly accurate mass flowmeter instrumentation. The Coriolis effect is generally viewed, if at all, as a “large-canvas” effect. It is yet another consequence of the rotation of the Earth, with many interesting implications such as the rotational direction of air masses […]
Cloud connectivity in IoT, Part 2: How to secure data links
If the Internet of Things (IoT) is about connecting objects like a thermostat or a pacemaker to the Internet Protocol (IP)-based networks, then it’s even more about securing links to these objects. And that includes implementing security while connecting IoT devices to a cloud platform. The good news is that securing links to the cloud […]
The difference between active and passive antenna systems
5G networks demand new antenna designs to deliver faster speeds for sub-6 GHz and millimeter wave (mmWave) communications. These new antenna technologies, however, often create a tech jargon that can potentially confuse readers. Let’s set the record straight in terms of who is who in the 5G antenna designs. It starts with the difference between…
Hot topic: Electric vehicle components get more sophisticated thermal models
The high electrical currents of fast charging are forcing designers to invent standard techniques for predictably modeling heat and cooling. Dr. Michael Ludwig, T&C Core Technologies, TE Connectivity The only way electric vehicles (EVs) will ever catch on is if consumers can charge them up quickly. Consequently, manufacturers are developing high-power charging (HPC) schemes which […]
Do you really need a VNA when a scalar network analyzer might do?
Network analyzers measure network parameters of electrical networks, such as two-port amplifiers and filters. The instruments characteristically operate at 5 Hz to 1.05 THz, mostly at the higher end, though some models are sensitive down to 1 Hz. These instruments are available in two varieties: scalar network analyzers, which measure only the amplitude of the […]
Cloud connectivity in IoT, Part 1: How communication works
Cloud connectivity, a fundamental part of the majority of the Internet of Things (IoT) projects, is intertwined with expertise in embedded systems and software integration. That’s why MCU suppliers are working closely with cloud service providers to develop integrated hardware and software solutions that enable IoT developers to establish an edge-to-cloud connection using out-of-the-box solutions […]
Using Faraday’s Law of Induction
by CET Technology The intent of this write-up is to provide engineers with an understanding of how a few of their most useful equations are derived. Most engineers are familiar with Faraday’s Law of Induction and from this law some of their most important and well-used equations are created. The equations derived in this write-up […]
PSMA Semiconductor Committee expands offering to four APEC 2020 Industry Sessions
The Power Sources Manufacturers Association (PSMA) Semiconductor Committee is sponsoring a total of four Industry Sessions at APEC 2020 that address the rapid emergence of wide bandgap semiconductors as a significant power conversion technology. The sessions will take place on Tuesday, Wednesday and Thursday, March 17-19, 2020, in the New Orleans Convention Center. The series […]
Digital modulation basics, part 1
Mobile devices have evolved from basic analog phones to digitally enabled smartphones that fit in the palm of your hand. Voice communications are still part of the mix, but voice calls are handled by converting the voice signal from analog to digital and transmitting it digitally. This means that mobile wireless systems are focused on…
The therapeutic uses of RF energy
Discussions of the upcoming 5G technology sometimes focus on whether or not the millimeter-wave frequencies involved can damage human life. What gets less press is that radio frequency energy in other bands can be therapeutic. It can be useful to review a few of these uses to understand the beneficial role RF energy can play. […]
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