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posted in November 2007
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SIGNAL CHAIN BASICS Series (Part 3): Analog and the digital world
Design How-To  
11/30/2007   Post a comment
Understand the basics of the transformation from the analog signal world to the digital world, via analog/digital converters, in this installment
300-V IGBTs offer power MOSFET replacement
Product News  
11/30/2007   Post a comment
IXYS Corp. has released a new generation of fast 300-V IGBTs that may be used as an alternative to 300-V power MOSFETS.
DSP weekend reader vol. 1 no. 4
Design How-To  
11/30/2007   Post a comment
This week: MATLAB-to-C tips, Cortex-R4 optimization, DaVinci APIs, and more on lossless audio.
DIY (Do-It-Yourself) is alive and well
Programmable Logic DesignLine Blog  
11/30/2007   Post a comment
I'm absolutely delighted to discover the DIY Life website, which presents all types of projects, from hobbies and crafts to home improvement and technology.
XMOS gets working silicon, sets product launch for Q1 2008
Product News  
11/30/2007   Post a comment
Fabless semiconductor startup XMOS Semiconductor Ltd. (Bristol, England) has got working silicon back from its foundry supplier and is now touting an aggressive roll out of its XS-1 family of programmable silicon in 2008.
Ceramic capacitors feature ultra-high-capacitance values
Product News  
11/30/2007   Post a comment
Kemet has expanded its surface-mount MLCC product portfolio in the C0G dielectric with the addition of more than 80 part types that offer ultra-high-capacitance values with the stability and performance of a Class 1 dielectric.
Researcher claims to have found missing dark matter
News & Analysis  
11/30/2007   Post a comment
Researchers at McMaster University in Canada claim to have located missing dark matter in a halo around galaxies.
Mini TCVCXO delivers 10- to 40-MHz frequency range
Product News  
11/30/2007   Post a comment
Bliley Technologies has introduced a RoHS-compliant TCVCXO with a frequency range of 10 to 40 MHz for cellular infrastructure, GPS and telecommunication system applications.
Freescale expands 8-bit MCU line
Product News  
11/30/2007   Post a comment
Aimed at consumer, industrial and automotive applications, Freescale's S08 MCU family has gained 30 highly integrated devices that include USB connectivity, 5V-operation and motor-control options.
ST unveils power MOSFET to boost power-supply efficiency
Product News  
11/30/2007   Post a comment
European chipmaker STMicroelectronics NV has introduced a low micro-Ohm ON-resistance power MOSFET aiming to reduce losses and improve efficiency in demanding power supply systems.
$95,000 for a wristwatch?
Programmable Logic DesignLine Blog  
11/29/2007   Post a comment
I'm currently in the market for a new wristwatch. I know the one I want, but when I called the store to ask the price, their answer made me cry!
EU ministers back spectrum farming for 3G, caution on DVB-H for mobile TV
News & Analysis  
11/29/2007   Post a comment
European Union telecommunications ministers have endorsed the EC's proposals to open radio frequencies, initially allocated to GSM mobile phone services, to other technologies including 3G. However, they only partially backed proposals to mandate DVB-H as the technology of choice in Europe for mobile TV.
Shake your phone to check messages, battery power
Product News  
11/29/2007   Post a comment
Researchers at the University of Glasgow have demonstrated an interface that allows mobile phone users to check if the power is low or whether there are unopened messages by simply shaking the device.
MATLAB-to-C translation, part 1: Pitfalls and problems
Design How-To  
11/29/2007   2 comments
Part 1 of this 3-part series looks at the basic problems of translating basic MATLAB functions to C.
Simulating and verifying complex, large-scale (big) analog/RF circuits using Spice tools
Design How-To  
11/28/2007   Post a comment
Compare traditional SPICE, Digital FastSPICE, and Analog FastSPICE for analysis of big analog/RF circuits
A/V interface card brings analog connectivity to FPGAs
Product News  
11/28/2007   Post a comment
SingMai Electronics has introduced DP1, an A/V interface card that provides analog connectivity to Altera and third-party FPGA development boards.
Automotive HDDs deliver higher capacity, improved altitude specs
Product News  
11/28/2007   Post a comment
Toshiba SDD has expanded its automotive-grade hard disk drive (HDD) line with the introduction of an 80 GB offering with improved altitude specifications.
"Drive-by" restorers establish secret workshop and repair antique clock
Programmable Logic DesignLine Blog  
11/28/2007   Post a comment
In which we discover an underground movement of "Cultural Guerrillas" in France who sneak around repairing and restoring antiques without their owner's permission.
Optocoupler targets hybrid electric vehicles
Product News  
11/28/2007   Post a comment
Avago Technologies has released its automotive-grade ACPL-M46T 1 MBd intelligent power module (IPM) digital interface optocoupler for hybrid electric vehicles.
Aeroflex base station tester adds encryption support
Product News  
11/28/2007   Post a comment
The new feature provides a field portable and easy-to-use base station test solution for installation and commissioning, routine maintenance and fault finding.
Lossless Compression of Audio Data - Part 2
Design How-To  
11/28/2007   Post a comment
Part 2 of this article on lossless audio data compression continues its focus on the key principles - including multiple-channel redundancy, prediction, and entropy coding - and discusses some practical system design issues.
Ethernet and Multimedia Applications - The History and the Future - Part 2
Design How-To  
11/28/2007   Post a comment
How the three components of audio/video bridging (AVB) work in unison to enable high-bandwidth multimedia applications with guaranteed delay and jitter.
UWB's prospects
Blog  
11/28/2007   Post a comment
UWB in general and the WiMedia Alliance's Certified Wireless USB n particular will be in the news quite a bit over the next few weeks.
Powerline chip maker sets terms for IPO
Product News  
11/28/2007   Post a comment
Powerline chip specialist Intellon Corp (Ocala, FL) is set to push ahead with an IPO that could value the company at nearly $330 million.
Carrier-class FPGA-based network timing solution for wired and wireless networks
Product News  
11/28/2007   Post a comment
Programmable FPGA-based solution from Xilinx and Brilliant Telecommunications offers highly accurate and customizable timing for broadband and wireless applications.
Carbon transistors touted as outperforming amorphous silicon
News & Analysis  
11/28/2007   1 comment
Georgia Institute of Technology researchers are claiming to have perfected a method of making room- temperature transistors that are 100-times faster--as fast a amorphous silicon--by fabricating their channels from thin films of carbon-60, also knows as buckyballs or fullerenes.
Low-pin count 16-bit MCUs provide 40 MIPS performance
Product News  
11/28/2007   Post a comment
Microchip Technology Inc. has added to its PIC24H 16-bit microcontroller (MCU) family three devices that feature low pin counts with up to 32 Kbytes of flash program memory in packages as small as 6x6 mm.
BAE Systems selects Achronix for rad-hard FPGA
News & Analysis  
11/28/2007   Post a comment
Defense and aerospace company BAE Systems Inc. (Rockville, Maryland) and Achronix Semiconductor Corp. (San Jose, Calif.) have agreed to develop a reconfigurable radiation-hardened field-programmable gate array.
Stereo audio selector ICs offer low distortion
Product News  
11/28/2007   Post a comment
The NJW1110 and NJW1111 nine-input/three-output stereo audio selectors and adjustable gain buffers from NJR offer low distortion, output noise and crosstalk.
Amplified ZigBee module achieves 2.5-mile range
Product News  
11/28/2007   Post a comment
MeshNetics is sampling an amplified 2.4-GHz IEEE 802.15.4 /ZigBee module that offers high range and low power.
LEDs are 70% brighter than previous parts
Product News  
11/27/2007   Post a comment
Cree's green XLamp XR-E LEDs are 70-percent brighter than the company's previous green power LEDs.
World's smallest digital signal controllers (DSCs) get memory boost
Product News  
11/27/2007   Post a comment
Microchip's low-pin-count digital signal controllers (DSC) now offer up to 32 Kbytes of Flash.
Altera presents new Nios II embedded evaluation kit
Product News  
11/27/2007   2 comments
New kit showcases FPGA design capabilities for embedded systems with design examples that highlight features such as hardware acceleration and remote hardware update.
What does ZigBee Pro mean for your application?
Design How-To  
11/27/2007   Post a comment
Among the specific problems addressed by ZigBee Pro include doing away with the highly complex routing tables that are typical of larger 2006 ZigBee networks.
The Basics of ZigBee Testing, Part 1: Transmitters
Design How-To  
11/27/2007   Post a comment
In this two-part article, we will describe test methodologies and techniques for transmit (Tx), receive (Rx) and compliance testing for ZigBee. This Part focuses on transmit testing.
Want to build a moon rover?
Programmable Logic DesignLine Blog  
11/27/2007   Post a comment
Seriously, would you like to be part of a team that builds a robot rover and flies it to the moon?
Sales up, profits return at Imagination Technologies
Product News  
11/27/2007   Post a comment
Multimedia processor licensor Imagination Technologies Group plc (Kings Langley, England) has turned the corner and recorded pre-tax profits of £1.3 million for the six months ended September compared with a loss of £2.1 million for the corresponding period last year.
Rohde & Schwarz's microwave signal generator delivers 43.5 GHz ultra-pure signals
Product News  
11/27/2007   Post a comment
To compensate for power losses due to cable attenuation and transfer impedance, the R&S SMF100A also offers an output power of up to +26 dBm (at 20 GHz).
Power switch delivers lower quiescent current, added protection
Product News  
11/27/2007   Post a comment
STMicroelectronics' VNI4140K quad high-side intelligent power switch saves energy by cutting on-resistance by 50 percent using new generation technology.
Fractual antenna combines mobility and indoor coverage
Product News  
11/27/2007   Post a comment
Dual-band operation enables a new generation of smaller emergency alert devices that work both indoors and outdoors anywhere in the world without a second antenna.
Mini power management device combines step-down converter, two LDOs
Product News  
11/27/2007   Post a comment
Delivering a power savings to mobile device applications, AnalogicTech has introduced the AAT2504, an adjustable 3-channel regulator that combines a step-down converter with two LDOs.
Home nets chip group raises $20 million in Round B
News & Analysis  
11/27/2007   Post a comment
Home networking chip startup Gigle Semiconductor has raised $20 million in Series B funding. The round was led by new investor Scottish Equity Partners, with existing investors Accel Partners and Pond Venture Partners also participating.
Loudspeakers lecture by Linkwitz follow-up
Audio DesignLine Blog  
11/27/2007   Post a comment
Listen to an MP3 of a recent AES lecture by loudspeaker designer Siegfried Linkwitz on room-optimized stereo sound reproduction through proper loudspeaker design and placement, or read the summarized lecture report.
ESL 2.0 = IP re-use
Signal Processing DesignLine Blog  
11/26/2007   Post a comment
ESL promises big productivity gains. IP re-use is the key to making that dream come true.
New partner for www.OpenCores.org
News & Analysis  
11/26/2007   Post a comment
Swedish ASIC/FPGA design company ORSoC has officially undertaken the mission to maintain and develop the OpenCores.org site.
Altium makes it 'real' for PCB/FPGA designers
Product News  
11/26/2007   Post a comment
Altium Designer 6.8 delivers 300 new features and enhancements, including real-time 3D PCB visualization and navigation.
RF power divider delivers low insertion loss, high isolation
Product News  
11/26/2007   Post a comment
Narda has introduced the 4436 RF power divider that covers the 500-MHz to 8-GHz frequency range for commercial applications.
eASIC, Tensilica ink IP deal
Product News  
11/26/2007   Post a comment
Fabless ASIC house eASIC Corp. has added Tensilica Inc. to its intellectual-property (IP) roster.
Enhanced transceiver boosts data throughput in remote sensor networks
Product News  
11/26/2007   Post a comment
The XE900SL10-N transceiver from Xecom has been updated with features to serve process control and remote monitoring systems.
Superinsulators rival superconductors
News & Analysis  
11/26/2007   Post a comment
A Brown University researcher claims to have discovered Cooper pairs in superinsulators that, when cooled near absolute zero, offer infinite resistance--acting as perfect blocks to conduction.
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Max Maxfield

Energizing the Young Engineers of Tomorrow
Max Maxfield
12 comments
It doesn't seem all that long ago when I was a bright-eyed, bushy-tailed young engineer. Now I feel like an old fool, but where are we going to find one at this time of the day (LOL)?

Jolt Judges and Andrew Binstock

Jolt Awards: The Best Books
Jolt Judges and Andrew Binstock
1 Comment
As we do every year, Dr. Dobb's recognizes the best books of the last 12 months via the Jolt Awards -- our cycle of product awards given out every two months in each of six categories. No ...

Engineering Investigations

Air Conditioner Falls From Window, Still Works
Engineering Investigations
2 comments
It's autumn in New England. The leaves are turning to red, orange, and gold, my roses are in their second bloom, and it's time to remove the air conditioner from the window. On September ...

David Blaza

The Other Tesla
David Blaza
5 comments
I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...