One of the latest incarnations of the Echo Dot boasts premium sound and an ability to pair up with Fire TV devices for a home theater audio experience. Construction-wise, there are usually a few changes from one generation of Echo devices to the next, and sometimes between early and later models of the same generation. With that in mind, we disassembled a 4th generation … [Read More...] about Teardown: Amazon 4th generation Echo Dot
Main Content
FROM THE EDITORS
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Aimee Kalnoskas
Certified energy chain cable guide system certified with ISO Class 4 -
Martin Rowe
Swapfest: The 2023 season opener -
Emma Lutjen
Power optimization techniques for low-power signal chain applications -
Bill Schweber
Zero-drift amplifiers finesse ultralow-frequency signals, part 1 -
Jeff Shepard
When to buffer and when to drive signals? -
Steve Taranovich
Look inside the 5G mmWave signal chain -
Rick Nelson
What is de-embedding and how do I perform it (part 2)? -
Bonnie Baker
Finding the correct LiDAR application
FAQ
Zero-drift amplifiers finesse ultralow-frequency signals, part 1
Modern zero-drift amplifiers provide the extremely low drift and noise performance needed for processing many optical biological, and physical-world signals near 0 Hz. In our world of … Read about Zero-drift amplifiers finesse ultralow-frequency signals, part 1
Pluggable IO interface technology driving 224G PAM4 cable and connector developments
In this article, we’ll discuss the recent 200+G PAM4 per-lane interconnect developments supported by various consortia, standards bodies, and new product announcements. The latest … Read about Pluggable IO interface technology driving 224G PAM4 cable and connector developments
Power windows: now much more than just a motor and switch, Part 2
The automotive power window has evolved from a basic on/off switch and motor to a sophisticated motion-control subsystem with dedicated ICs. As with most improvements, there are both … Read about Power windows: now much more than just a motor and switch, Part 2
Power windows: now much more than just a motor and switch, Part 1
The automotive power window has evolved from a basic on/off switch and motor to a sophisticated motion-control subsystem with dedicated ICs. Figure 1. The manual, crank-operated car window and … Read about Power windows: now much more than just a motor and switch, Part 1
Podcasts
Tescan’s UniTOM HR is focus of Episode 9 of R&D 100 – The Podcast
R&D World editors Paul Heney and Aimee Kalnoskas are back, and this time they’re talking about a lot of news, in addition to the technology of the day. First, they delve into some important updates about the R&D 100 Awards for 2023 — and then dip their toes into the strange new world of AI […]
Focus on Analog ICs
Zero-drift amplifiers finesse ultralow-frequency signals, part 1
Modern zero-drift amplifiers provide the extremely low drift and noise performance needed for processing many optical biological, and physical-world signals near 0 Hz. In our world of ever-faster, … [Read More...] about Zero-drift amplifiers finesse ultralow-frequency signals, part 1
When to buffer and when to drive signals?
Buffers and drivers both provide impedance transformation between the input and output. The differences begin to appear when looking at the common types of buffers and drivers, for example, voltage … [Read More...] about When to buffer and when to drive signals?
Ultra-low jitter SMD oscillators provide stable, accurate clock signals for high-speed applications
Abracon expands its line of high-performance ClearClock oscillators with the addition of the brand-new AK2A and AK3A-series oscillators. This new line of ultra-low jitter SMD oscillators from Abracon … [Read More...] about Ultra-low jitter SMD oscillators provide stable, accurate clock signals for high-speed applications
Focus on Microcontrollers
Security model provides system-level approach to securing RISC-V designs
SiFive, Inc. announced the company is giving the WorldGuard security model to RISC-V International, providing the RISC-V community with a uniform way to secure their designs and bring them to market … [Read More...] about Security model provides system-level approach to securing RISC-V designs
Gigabit Ethernet PHYs support both copper and fiber interfaces
Microchip Technology announces it has extended its radiation-tolerant (RT) Ethernet PHY devices with the new VSC8574RT PHY. The VSC8574RT PHY supports the Serial Gigabit Media Independent Interface … [Read More...] about Gigabit Ethernet PHYs support both copper and fiber interfaces
AI-driven security processors integrate all security functions within single SoC or module
COMPUTEX 2023 Axiado Corporation introduced the AX3000 and AX2000 trusted control/compute units (TCUs), the world’s first fully integrated AI-driven hardware security platform solutions designed to … [Read More...] about AI-driven security processors integrate all security functions within single SoC or module
Focus on Power Electronics
Power optimization techniques for low-power signal chain applications
By Lluis Beltran Gil, Analog Devices Several system-level techniques are available that can make signal chains designs more power efficient and reduce system design complexity. Low-power signal chains are critical when designing a … [Read More...] about Power optimization techniques for low-power signal chain applications
Power windows: now much more than just a motor and switch, Part 2
The automotive power window has evolved from a basic on/off switch and motor to a sophisticated motion-control subsystem with dedicated ICs. As with most improvements, there are both expected and unanticipated ripple effects in product objectives, … [Read More...] about Power windows: now much more than just a motor and switch, Part 2
Boards let you try power devices in your circuits
Cambridge GaN Devices (CGD) has introduced a range of Application Interface Boards that allow designers to try out the company’s rugged, easy-to-use ICeGaN HEMTs in existing circuits in place of competing MOSFET or GaN devices without having to … [Read More...] about Boards let you try power devices in your circuits
Focus on 5G
RF simulation software gets Macom GaN device models
Modelithics, Inc. announces version 23.2.2 of the Modelithics MACOM GaN Library is now available. With this latest version, the library now includes a total of twelve (12) models for MACOM PURE CARBIDE GaN devices. Version 23.2.2 of the Modelithics … [Read More...] about RF simulation software gets Macom GaN device models
EE World’s 2023 communications handbook is here
Our 2023 5G, Wired, & Wireless Handbook is now available in ebook form. Download your copy today. It started on a cold January day with an editorial call. A month later, the abstracts came in. After another month, the manuscripts came in. Then … [Read More...] about EE World’s 2023 communications handbook is here
How does PAPR reduction improve power amplifier efficiency?
5G’s Orthogonal Frequency Division Multiplexing (OFDM) brings with it a major design challenge, namely an inherent wide dynamic variation between a signal’s peak and the average power. The peak-to-average power ratio (PAPR) leads to inefficient … [Read More...] about How does PAPR reduction improve power amplifier efficiency?
Embedded Systems
Wi-Fi, Bluetooth module cuts power consumption in video IoT devices
InnoPhase IoT, Inc. unveiled its Talaria TWO Ultra-low power (ULP) Wi-Fi optimized market-ready solutions for cloud-connected IP video IoT devices. Applications include battery-operated video cameras, smart video doorbells, wearables, smart … [Read More...] about Wi-Fi, Bluetooth module cuts power consumption in video IoT devices
What is the MIPI I3C interface and where might I use it?
I3C improves on I2C through higher speeds and backward compatibility You’ll often want to interconnect two chips on a circuit board, and a standard interface can help you design efficiently. Engineers working at a division of Philips thought so … [Read More...] about What is the MIPI I3C interface and where might I use it?
Processors targeted for heavy-workload, always-on embedded systems
AMD announced it is bringing world-class performance and energy efficiency to embedded systems with AMD EPYC Embedded 9004 Series processors. The new 4th generation EPYC Embedded processors powered by “Zen 4” architecture provides technology and … [Read More...] about Processors targeted for heavy-workload, always-on embedded systems
