Part 1 of this article provided context for the critical role of David Sarnoff, development of color TV, and RCA’s place in modern electronics; this part looks at the solution to the compatible color-TV challenge and the eventual corporate decline. Problems met and solved The first apparently intractable issue RCA had to solve was what […]
RCA & Color TV: A dominant company and standard, both now gone – Part 1
Analog color TV is now obsolete, but the story of its development shows both the power and fragility of market dominance. The ubiquitous presence and dominant positions of Facebook, Amazon, Apple, and Google in our lives – for good and bad – make it logical to think that these companies will be around “forever” and […]
Integrating absolute encoders – An overview of SPI, RS-485, and SSI protocols
Opportunities for electrically-propelled autonomous mobility and advanced automation continue to multiply in the quest for greater industrial productivity, smarter living, and increased energy efficiency. Encoders can play a large part in these applications as motors require precisely tracked position and motion. However, with multiple encoder types and communication protocols on the market, what are the […]
What do molded power inductors bring to high efficiency, compact designs?
Modern hardware applications trend towards compact designs that are power efficient. Passive devices don’t get as much attention as a microcontroller’s many sleep and shutdown states. However, every drop of available efficiency adds up and can make a difference. It’s possible to improve power efficiency with the right inductor. Power inductors are a necessary component […]
What is the LoRaWAN certification process?
The Internet of Things (IoT) is on the upward trajectory and seeing applications in an increasing number of sectors or industries. In these IoT applications, the IoT devices will be installed in remote or hard-to-reach locations and expected to operate for a long time without repair. Because the IoT devices collect and integrate many different […]
The fundamentals of MCU-based hardware virtualization
Virtualization, a powerful technology concept commonly associated with high-end applications in servers, is coming to the microcontrollers featuring multiple execution domains via multiple CPUs with a lock-step mechanism. The microcontrollers that incorporate hardware-based virtualization-assisted functions mark a new integration milestone in the embedded design world. Moreover, by running multiple software components on a single MCU […]
What matters for MCUs serving OTA functions in automotive designs
The technology features like over-the-air (OTA) software updates and data management are reinventing the hardware of today for the software of tomorrow. And if there is a single most prominent component at this technology crossroads, it’s the microcontroller. Moreover, the growing popularity of OTA functions is most visible in automotive environments where they wirelessly and […]
Vacuum tubes we still (have to) use: The traveling wave tube, Part 1
The previous parts of this article explored the photomultiplier tube (Part 1 and Part 2), which is based on a simple, fairly clear physics principle, although building a high-performance PMT is an art and requires various skills, of course. This part looks at a microwave/mm-wave amplifier called the traveling wave tube (TWT – often pronounced […]
Vacuum tubes we still (have to) use: The traveling wave tube, Part 2
We live in a world of solid-state active devices that have made most vacuum tubes obsolete, but a few types remain as they are still indispensable. The previous part of this article introduced the traveling wave tube and its basic operation, along with some attributes. This part delves into some related issues. Q: What’s the […]
What you need to know about MCUs for servo control
A servo motor, used for position feedback of angular rotation, applies pulse width modulation (PWM) signals for precise control over motion. Industrial design engineers can change the rotation angle and direction of the motor by varying the width of the PWM signal, and here, the role of MCU, which generates the PWM signal, inevitably becomes […]
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