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
Chip-size socket boasts -1dB insertion loss -
Lee Teschler
The perils of oscilloscope ground and power ground -
Martin Rowe
Video: Wi-Fi 7 operates across frequency bands -
Bill Schweber
How about putting some basic error codes in your product? -
Bonnie Baker
Negotiate through 1/f noise challenges towards sample sizes into the 100s of years -
Jeff Shepard
What are the six kinds of magnetism? -
Steve Taranovich
iSIM puts carrier information deep inside a device
FAQ
What are the six kinds of magnetism?
Diamagnetism, paramagnetism, ferromagnetism, ferrimagnetism, antiferromagnetism, and superparamagnetism are the six kinds of magnetism. This FAQ begins with a brief review of the basic sources … Read about What are the six kinds of magnetism?
Video: Wi-Fi 7 operates across frequency bands
In a video interview, Wi-Fi test veteran Fanny Mlinarsky updates us on Wi-Fi 7’s new features and how they work. With Wi-Fi 6 and 6E products now available, the industry moves to Wi-Fi 7. … Read about Video: Wi-Fi 7 operates across frequency bands
How do you accurately measure skin color? Part 1
While discrimination based on skin color is against the law in the U.S., changes in skin color provide important information in healthcare regarding disease progression or treatment response, … Read about How do you accurately measure skin color? Part 1
What’s the difference between hard and soft magnetic materials?
These distinctions refer specifically to ferromagnetic and ferrimagnetic materials, not just hard and soft materials. There are super-soft, very-soft, soft, semi-hard, and hard magnetic … Read about What’s the difference between hard and soft magnetic materials?
Podcasts
Podcast: When will RF engineers start designing 6G radios?
5G Technology World spoke with Paul Challoner, VP Network Product Solutions at Ericsson, at the Fall 2022 6G Symposium in Washington, DC. · Paul Challoner Ericsson EE World interview Many of the discussions at the Fall 2022 6G Symposium, and indeed prior conferences, focus less on the technology and more on experiences. To deliver those…
Focus on Analog ICs
Chip-size socket boasts -1dB insertion loss
Ironwood Electronics’ chip-size socket connects LPDDR5 to the system PCB with minimal signal loss. The supported device size is 14x14mm, 21×21 array, 0.65mm pitch BGA 441. Once the socket is … [Read More...] about Chip-size socket boasts -1dB insertion loss
Electrostatic shielding now available for high-voltage reed relays
Pickering Electronics now offers optional electrostatic shielding for its 10kV stand-off Series 67/68 SIL/SIP reed relay families. Electrostatic screening protects against noise that can otherwise … [Read More...] about Electrostatic shielding now available for high-voltage reed relays
Potentiometer models feature resistance ratings from 1 to 2000 kΩ
CUI Devices’ Motion and Control Group announced the addition of a new line of potentiometers. Available in shaft or shaftless options, these rotary potentiometers feature resistance ratings from 1 to … [Read More...] about Potentiometer models feature resistance ratings from 1 to 2000 kΩ
Focus on Microcontrollers
Laser driver IC integrated gate driver with logic level input for ToF applications
EPC announces the introduction of the EPC21701, a laser driver that monolithically integrates an 80 V, 40 A FET with gate driver and 3.3 logic level input into a single chip for time-of-flight lidar … [Read More...] about Laser driver IC integrated gate driver with logic level input for ToF applications
SoM implements Arm neural processing unit
Variscite announced a new, state-of-the-art SoM for efficient machine learning on edge devices. Variscite’s VAR-SOM-MX93 is based on NXP’s i.MX 93 processor, the industry’s first implementation of the … [Read More...] about SoM implements Arm neural processing unit
Digital isolators comply with VDE and UL safety standards.
STMicroelectronics has extended its family of dual-channel high-speed digital isolators, enhancing flexibility for designers to optimize their board layout. The new STISO620 contains two channels of … [Read More...] about Digital isolators comply with VDE and UL safety standards.
Focus on Power Electronics
What’s the difference between hard and soft magnetic materials?
These distinctions refer specifically to ferromagnetic and ferrimagnetic materials, not just hard and soft materials. There are super-soft, very-soft, soft, semi-hard, and hard magnetic material classifications based on the magnetic coercivity (HC) … [Read More...] about What’s the difference between hard and soft magnetic materials?
How do magnetic poles, fields, flux and domains work?
Magnetics is a key technology for sustainable power conversion, electric vehicle motors, motion sensing and control in various medical, industrial, and consumer applications, and advanced data storage technologies. Advances in magnetics often provide … [Read More...] about How do magnetic poles, fields, flux and domains work?
Power management device target low-Earth orbit space applications
Microchip Technology Inc. announces the introduction of its first commercial-off-the-shelf (COTS) rad-tolerant power device with the MIC69303RT 3A Low-Dropout (LDO) Voltage Regulator. The new high-current, low-voltage MIC69303RT is a power management … [Read More...] about Power management device target low-Earth orbit space applications
Focus on 5G
Cellular LTE modem achieves Verizon certification
Janus Remote Communications is announcing it has achieved Verizon certification for their CellBridge LTE910XFX v1.00 Cat1 “X” Footprint (XF) Embedded Cellular modem. The LTE910XFX v1.00 CAT1 embedded modem uses the Telit LE910C1-WWXD as its cellular … [Read More...] about Cellular LTE modem achieves Verizon certification
Demonstrating antenna diversity, Part 2: The PIFA
Antennas come in a broad range of sizes, styles, and configurations to meet frequency, bandwidth, directivity, and many other objectives; the PIGA and Yagi antenna are two different yet widely used versions. Figure 1. The classic monopole has … [Read More...] about Demonstrating antenna diversity, Part 2: The PIFA
Demonstrating antenna diversity, Part 1: The challenges
Antennas come in abroad range of sizes, styles, and configurations to meet frequency, bandwidth, directivity, and many other objectives; the PIGA and Yagi antennas are rather different yet widely used versions. With a few highly specialized … [Read More...] about Demonstrating antenna diversity, Part 1: The challenges
Embedded Systems
RISC-V processor runs at 3.6 GHz in 5nm
Ventana Micro Systems Inc. announced its Veyron family of high-performance RISC-V processors. The Veyron V1 is the first member of the family, and the highest-performance RISC-V processor available. It will be offered in the form of high-performance … [Read More...] about RISC-V processor runs at 3.6 GHz in 5nm
Linux platform supports RISC-V embedded development
Siemens Digital Industries Software announced that its Sokol Flex OS software now supports RISC-V embedded development with the availability of one of the industry’s first commercially supported, extensible, and customizable Linux platforms for the … [Read More...] about Linux platform supports RISC-V embedded development
RISC-V: The background, the benefits, and the future
by Mark Lippett, CEO of XMOS US developers conceived the revolutionary instruction set architecture (ISA) known as RISC-V in 2010. Grounded in reduced instruction set computer (RISC) principles, it’s a common, open-source, and completely free ISA … [Read More...] about RISC-V: The background, the benefits, and the future
