EDN: Voice of the Engineer

EDN is a website focused on the electronics sector that used to be a magazine, previously owned by AspenCore Media, a part of Arrow Electronics. The Executive Editor in charge now is Susan Rambo, and the editorial teams are located in both San Francisco and New York City. The magazine was published on a monthly basis until it was announced in April 2013 that the print version would stop after the June 2013 issue.

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Ray-Ban Meta AI glasses

4 days ago | edn.com | Brian Dipert

A look at AI glassesI’ve been following smart glasses for a while now (and the more embryonic camera-augmented eyewear category a “bit” longer than that). As with smart watches and more recent smart rings, they’re intriguing to me because they take already-familiar, mature and high volume consumer products and make them…umm…smart.
Wafer-scale chip claims to offer GPU alternative for AI models

5 days ago | edn.com | Majeed Ahmad

Wafer-scale technology is making waves again, this time promising to enable artificial intelligence (AI) models with trillions of parameters to run faster and more efficiently than traditional GPU-based systems. Engineers at The University of California, Riverside (UCR) claim to have developed a chip the size of a frisbee that can move massive amounts of data without overheating or consuming excessive electricity.
A teardown tale of two not-so-different switches

1 week ago | edn.com | Brian Dipert

Eleven years ago, my wife and I experienced the aftereffects of our first close-proximity lightning blast here in the Rocky Mountain foothills, clobbering (among other things) both five-port and eight-port Gigabit Ethernet (GbE) switches, both of which ended up going under the teardown knife.
Altum amps speed RF design with Quantic blocks

2 weeks ago | edn.com | Susan Nordyk

Altum RF’s MMIC amplifiers are now part of Quantic’s plug-and-play X-MWblocks, enabling seamless integration into RF designs. The modular format streamlines design, evaluation, prototyping, and production for rapid RF and microwave system assembly. The initial offering includes five of Altum RF’s low-noise and driver amplifiers: ARF1200Q2, ARF1201Q2, ARF1202Q2, ARF1203Q2, and ARF1205Q2. These devices cover frequency bands from 13 GHz to 43.5 GHz, with noise figures as low as 1.6 dB.
Eval board eases battery motor-drive design

2 weeks ago | edn.com | Susan Nordyk

Powered by an eGaN FET, EPC’s EPC9196 is a 25-A RMS, 3-phase BLDC inverter optimized for 96-V to 150-V battery systems. The reference design targets medium-voltage motor drives, including steering in AGVs, traction in compact autonomous vehicles, and robotic joints. The EPC9196 is built around the EPC2304, a 200-V, 3.5- mΩ (typical) eGaN FET in a thermally enhanced QFN package.
Simultaneous sweep boosts multi-VNA test speed

2 weeks ago | edn.com | Susan Nordyk

Anritsu has added a simultaneous sweep feature to its ShockLine MS46131A 1-port vector network analyzer (VNA), which operates up to 43.5 GHz. The capability supports parallel 1-port S-parameter measurements across up to four MS46131A units.
MCUs enable USB-C Rev 2.4 designs

2 weeks ago | edn.com | Susan Nordyk

Renesas offers one of the first microcontroller families to support USB-C Revision 2.4 with its RA2L2 group of low-power Arm Cortex-M23 MCUs. The updated USB Type-C cable and connector specification lowers voltage detection thresholds to 0.613  V for 1.5 -A sources and 1.165  V for 3.0-A sources, enhancing compatibility with newer USB-C cables and devices.
Amp elevates K-band throughput for LEO sats

2 weeks ago | edn.com | Susan Nordyk

Expanding Qorvo’s GaN-on-SiC SATCOM portfolio, the QPA1722 K-band power amplifier improves Low Earth Orbit (LEO) satellite performance. Qorvo reports the amplifier delivers three times the instantaneous bandwidth and 10% higher efficiency than comparable devices, all within a 38% smaller footprint. These enhancements enable higher data throughput and support more compact, efficient satellite payload designs.
From Intel, Apple’s Nearly Free

2 weeks ago | edn.com | Brian Dipert

Have you ever heard the idiom “ripping off the band-aid? With thanks to Wiktionary for the definition, it means:To perform a painful or unpleasant but necessary action quickly so as to minimize the pain or fear associated with it. That’s not what Apple’s doing right now with the end stages of its Intel-to-Apple Silicon transition, which kicked off five years ago (fifteen years, ironically, after its previous announced transition to x86 CPUs, two decades ago).
Tony Pialis’ design journey to high-speed SerDes

2 weeks ago | edn.com | Majeed Ahmad

Alphawave Semi is in the news after being acquired by Qualcomm for $4.2 billion, and so is its co-founder and CEO Tony Pialis, now widely seen as a semiconductor connectivity IP veteran. Here is a brief profile of Pialis, highlighting how the design of analog and mixed-signal semiconductors fascinated him early in his career and how this led to his work on DSP-centric SerDes architectures. Read the full story at EDN’s sister publication, Planet Analog. Related Content