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Content tagged with Advanced Technology
posted in January 2005
Understanding HSDPA's Implementation Challenges
Design How-To  
1/28/2005   4 comments
HSDPA promises to deliver "true" broadband data pipes to cellular networks. But it also brings with it a set of difficult engineering challenges. Fortunately, by using a software-based design, designers can address these challenges.
Under the Hood: Motorola's HS810 Bluetooth headset has analog calling
Teardown  
1/26/2005   Post a comment
Analog technology figures prominently in this Bluetooth implementation, despite a fairly short component list. Central to the design is a single-chip Bluetooth component from Cambridge Silicon Radio (CSR) which integrates both digital baseband and RF radio into a single slice of CMOS. Also prominent is the interface to the audio world, a Motorola MC145483 13bit CODEC and a National Semiconductor LM4862 audio amplifier. From the January issue of Planet Analog magazine, David Carey goes Under the
How Intel, TI fare at 90 nm
Teardown  
1/10/2005   Post a comment
Advanced Micro Devices, Altera, IBM, Intel, Sony and Texas Instruments have all introduced 90-nanometer logic devices over the past year. Of those companies, AMD, Intel and IBM have relied solely on internal manufacturing capabilities. The others chose to outsource at least some of their manufacturing to a foundry (Altera to TSMC, Sony to Toshiba and TI to UMC). As with every successful node, the goal of 90-nm process development is to reduce size and costs while improving performance.
Characterizing PC audio devices -- some challenges and their solutions
Design How-To  
1/5/2005   6 comments
The ubiquitous PC is no longer just a sophisticated word processor or email tool; it's migrating into a personal jukebox or even the entertainment center of the home. But what level of audio performance do today's PC audio systems actually deliver? While 24-bit converters provide excellent THD+N specs, the PC environment is noisy and even the interconnections can degrade the overall system performance. An Audio Precision engineer offers insights into the measurements manufacturers can make to en
Meeting the Distortion Goals. The D/A Diaries, Part 3 of 3
Design How-To  
1/4/2005   Post a comment
It's 10 PM. You haven't slept or eaten properly for days. Hands shaking, you solder the lead frame of the new device to its test board: No chance of some loose connector fixture wrecking your measurements. All the confidence you thought you had before tapeout, simulating this over and over until you though you'd puke, now gives way as your mind imagines the worst-possible scenarios. In a moment, you'll know the truth Planet Analog is proud to reprise "The D/A diaries."


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Max Maxfield

Steve Wozniak Reacts to Latest iPhone
Max Maxfield
3 comments
Funnily enough, just a few days ago as I pen these words, I was chatting with my wife (Gina the Gorgeous) when she informed me that -- as a kid -- she had never played at making a ...

EDN Staff

11 Summer Vacation Spots for Engineers
EDN Staff
20 comments
This collection of places from technology history, museums, and modern marvels is a roadmap for an engineering adventure that will take you around the world. Here are just a few spots ...

Glen Chenier

Engineers Solve Analog/Digital Problem, Invent Creative Expletives
Glen Chenier
15 comments
- An analog engineer and a digital engineer join forces, use their respective skills, and pull a few bunnies out of a hat to troubleshoot a system with which they are completely ...

Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
46 comments
I'm a big proponent of engineers learning financial basics. Why? Because engineers are making decisions all the time, in multiple ways. Having a good financial understanding guides these ...

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