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Featured

What is the HPC memory wall and how can you climb over it?

May 7, 2025 By Jeff Shepard Leave a Comment

The high-performance computing (HPC) memory wall generally refers to the growing disparity between processor speed and memory bandwidth. When processor performance outpaces memory access speeds, this creates a bottleneck in overall system performance, particularly in memory-intensive applications like artificial intelligence (AI). This article begins by exploring the conventional definition of the memory wall and then […]

Filed Under: Artificial intelligence, FAQ, Featured Tagged With: FAQ

What is the maths of positive feedback and how it is used in electronic systems?

April 30, 2025 By Jeff Shepard Leave a Comment

Positive feedback is primarily used to rapidly amplify a desired change or signal, often in situations where a large response is needed, like triggering a process to reach a specific threshold quickly. It must be carefully managed due to its potential for instability and runaway effects. It’s used in digital electronics to force voltages away […]

Filed Under: FAQ, Featured Tagged With: FAQ

What’s the relationship between Ohm’s Law and quantum mechanics?

April 23, 2025 By Jeff Shepard Leave a Comment

Ohm’s Law is the classical physics explanation of the linear relationship between voltage, current, and resistance in a conductor. Quantum mechanics provides insights into the mechanisms behind this behavior, explaining why Ohm’s Law still holds true even on very small scales where quantum effects are significant. Ohm’s law is a macroscopic view of classical physical […]

Filed Under: FAQ, Featured Tagged With: FAQ

What does a watchdog timer watch?

April 16, 2025 By Jeff Shepard Leave a Comment

Watchdog timers (WDTs) watch MCU operations to ensure reliability, especially in embedded systems, robotics, medical devices, electric grid monitoring, deep space missions, and other critical applications. They are used to detect and correct MCU and software glitches without human intervention. The WDT monitors system operation by listening to signals from the MCU. The system software […]

Filed Under: FAQ, Featured Tagged With: FAQ

What is the Coherent Hub Interface?

April 9, 2025 By Jeff Shepard Leave a Comment

The Coherent Hub Interface (CHI) is used in system-on-chip (SoC) designs to track which processor has the most recent copy of a data block, preventing other processors from using old data. CHI is used in a wide range of applications requiring high-performance cache coherence, such as mobile devices, networking equipment, automotive systems, and data centers. […]

Filed Under: FAQ, Featured Tagged With: FAQ

How to avoid common electronics hardware engineering errors

April 2, 2025 By Jeff Shepard 1 Comment

There are many ways to arrive at a less-than-optimal electronics hardware solution. This article is an overview, not a comprehensive compilation of possible hardware engineering errors and how to avoid them. Common errors include incorrect component selection, poor circuit design practices, such as grounding or signal integrity issues, improper power supply specifications, neglecting thermal management, […]

Filed Under: FAQ, Featured

Securing IoT devices against quantum computing risks

April 2, 2025 By By Avishay Shraga, Sr. Director (CTO), Head of Security Technologies at Sony Semiconductor Israel Leave a Comment

The key to modern asymmetric cryptography is to create an equation that is easy to solve in one direction but difficult to reverse by an adversary in the other direction. Traditionally, this was done through modular arithmetic, where a large prime modulus and a generator were used to generate a key, although there are multiple […]

Filed Under: Applications, Featured, Featured Contributions, IoT, Security Tagged With: FAQ, sony

What determines the size of the dataset needed to train an AI?

March 26, 2025 By Jeff Shepard Leave a Comment

Large data sets are needed to train artificial intelligence (AI) algorithms. Large data sets can be expensive. So, how much data is enough? The complexity of the problem, the model complexity, the quality of the data, and the required level of accuracy primarily determine that. Data augmentation techniques can be used to increase the size […]

Filed Under: Artificial intelligence, FAQ, Featured

A survey of Wi-Fi connectivity modules for IoT applications: part 4

March 21, 2025 By Rakesh Kumar Leave a Comment

This last FAQ in this series will cover Broadcom, Telit Cinterion, and Renesas’s latest innovations in Wi-Fi connectivity solutions for IoT applications. These innovations continue to focus on Wi-Fi 6 and 7 technologies, which offer improved speed combined with other features. Broadcom: BCM43740/43720/47722/6765/6726/67263 Broadcom’s BCM43740/43720/47722/6765/6726/67263 are the latest versions of the company’s Wi-Fi modules, featuring […]

Filed Under: FAQ, Featured, IoT, Wifi Tagged With: broadcom, FAQ, renesas, Telit Cinterion

A survey of Wi-Fi connectivity modules for IoT applications: part 3

March 19, 2025 By Rakesh Kumar Leave a Comment

In this third of the multipart FAQ, we continue to survey three more Wi-Fi modules for IoT applications manufactured by Silicon Labs, NXP Semiconductors, and MediaTek. All three modules support advanced Wi-Fi standards, starting with Wi-Fi 6, which aligns with the current developments in the Wi-Fi industry. ©Silicon Labs: SiWG917 The SiWG917 SoC from Silicon […]

Filed Under: Featured, IoT, Wifi

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Featured Contributions

Five challenges for developing next-generation ADAS and autonomous vehicles

Securing IoT devices against quantum computing risks

RISC-V implementation strategies for certification of safety-critical systems

What’s new with Matter: how Matter 1.4 is reshaping interoperability and energy management

Edge AI: Revolutionizing real-time data processing and automation

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