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Content tagged with Analog ICs
posted in November 2004
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Smart-UPS RT family improves serviceability, manageability and adaptability of computer rooms
Product News  
11/8/2004   Post a comment
APC's new Smart-UPS RT family joins the company's suite of midrange UPS solutions, which also includes the Smart-UPS VT, Symmetra LX and Symmetra PX products, designed to support a wide variety of IT and industrial applications and environments.
U.S. large and advanced batteries to reach $4.5 billion in 2008
News & Analysis  
11/7/2004   Post a comment
According to a soon-to-be-released updated report from Business Communications Company, Inc. (www.bccresearch.com) RGB-197N Large and Advanced Battery Technology and Markets, large and advanced batteries represented a $2.9 billion U.S. market in 2003. Growing at an AAGR (average annual growth rate) of 9.1%, this market is expected to reach $4.5 billion in 2008 making it one of the largest and fastest growing technology-driven electrical/electronic sectors.
Camera Phones: More Pictures, More Fun, More Power
Survey  
11/7/2004   Post a comment
Power is the nemesis of today's mobile devices and a key bottleneck to realizing convergence in the handset. After all, what is the point of being able to surf the web, respond to your email, and take pictures on your cell phone if the battery is always dead?
The Secrets of Fixed Ratio Bricks
Design How-To  
11/5/2004   Post a comment
The next time when specifying an isolated DC/DC converter, stop for a moment and consider a Fixed Ratio converter. If the input voltage range and output voltage range fit your application, you could benefit from higher efficiency, higher power density, and lower cost.
Simple Current Monitor Handles Automotive Rigors
Product News  
11/5/2004   Post a comment
The application simplicity of the ZXCT1008, a three terminal current monitor from Zetex Semiconductors Inc., enables it to tolerate high-voltage transients, overvoltage and reverse polarity events for automotive load measurement and control.
DPA developments: A reason for change in power conversion
Design How-To  
11/5/2004   Post a comment
Distributed Power Architectures are in a state of flux. Fortunately there are a number of powerful tools, architectural and topological for increasing efficiency and power density. Find out what the major developments are and the compelling rationale for change in the power conversion technology.
Tri-mode charge pumps optimize LED driver solutions
Product News  
11/5/2004   Post a comment
Advanced Analogic Technologies' five new tri-mode, high-efficiency charge pumps for white and color LEDs, an extension to the company's broad line, are designed to offer a complete lighting solution for backlighting, main display, and camera flash solutions. Four of the devices, the company's AAT3151/2/3/6 for backlighting, are the company's first family of current-sink LED drivers. The fifth device, the AAT3129, is targeted at RGB LED and camera flash applications.
Semi sales won't be flat in 2005, says iSuppli
News & Analysis  
11/4/2004   Post a comment
Semiconductor sales will grow slightly in 2005 rather than stay flat as other market analysts have projected, according to market research firm iSuppli Corp. (El Segundo, Calif.)
Power Factor Correction Options for Sub-250W Power Supplies
Design How-To  
11/4/2004   Post a comment
New EN61001-3-2 standards regulating harmonic distortion and the growing popularity of Distributed Power Architectures (DPAs) are changing the way OEM power supply manufacturers view power factor correction. Existing and emerging technology options can be explored and implemented to improve the reliability, performance, and cost-effectiveness of present and future power supply designs.
Focus On: High-Speed Op Amps — Vendors Target GHz Speeds for Video
Product News  
11/4/2004   Post a comment
With an eye on next generation applications, amplifier suppliers are pushing the performance barriers with their newest round of high-speed operational amplifiers. These new devices offer system designers such features as 1-GHz speed, three amps in a package and pin-outs optimized for high-performance systems.
BridgeCo Upgrades Silicon for Firewire Enabled Audio Devices
Product News  
11/4/2004   Post a comment
BridgeCo AG announced an enhanced version of its DM1000 Firewire (IEEE 1394) solution. The new DM1000E audio processor increases the number of audio channels available to musicians who use the IEEE 1394 standard, to record, mix and playback music.
Anadigics receives patent for input matching technology
Product News  
11/4/2004   Post a comment
Anadigics Inc. (Warren, N.J.) said Thursday (Nov. 4) it has received a patent for a new dynamic input matching technology for cascode circuits with the ability to improve input matching at high and low gain settings.
Distributed Power and Intermediate Bus Architecture
Design How-To  
11/4/2004   Post a comment
The requirements placed on distributed power architectures continue to expand beyond the initial goal of dealing with power distribution problems associated with high load currents required by low voltage load devices. Where distributed power is being considered, today's system engineers must evaluate which of the available options is most appropriate.
Dynamic Power Variations in DataCenters and Network Rooms
Design How-To  
11/4/2004   Post a comment
The power requirement required by data centers and network rooms varies on a minute by minute basis depending on the computational load. This variation gives rise to new problems relating to availability and management, including overheating and loss of redundancy, and tripped circuit breakers.
Digital Power: Forward into The Past
Blog  
11/3/2004   Post a comment
In principle, digital power management increases the responsiveness of power supplies by putting them under the eye of digital controller. In practice, says Fairchild's power industry observer and commentator, Reno Rossetti, much of what is touted as "modern digital" could be a new envelop for "same ole, same ole" But nobody should "poo poo" the ability to put cell phone LDOs and switcher son the same chip, he says, nor fast-response point-of-load converters.
SIA says chip sales will flatten after record 2004
News & Analysis  
11/3/2004   Post a comment
The Semiconductor Industry Association (SIA) released its annual forecast for 2004-2007, predicting record sales of $213.8 billion in 2004 followed by essentially flat sales in 2005, as the excess inventory problems many chip companies are now reporting make their impact felt.
Cell phone power management needs specialized ICs
Design How-To  
11/3/2004   Post a comment
This article, initially targeted for the forthcoming "Advanced Power Conservation Techniques" issue of the Planet Analog magazine folio, reviews some of the power management issues manufacturers are dealing with in the design of feature-laden cell phones and other multi-media handhelds. This can serve in fact as a companion piece to another Texas Instruments' contribution — "How IC manufacturers resp
Differential Signaling Challenges: Is Serialization a Paradigm that should be Broken?
Product News  
11/3/2004   Post a comment
Opinion: Fairchild Semiconductor's Mike Fowler predicts that performance requirements will drive the move from parallel to serial data streaming in the ultra-portable hand-held space.
Digital Power Control Highlights
Design How-To  
11/3/2004   Post a comment
The demand for more functionality from the controller and the continuing advance of digital technology has pushed many companies to look at digital multiphase control. The proposed solutions vary from the use of digital processors (DSP), microprocessors, and microcontrollers, to the latest software-programmable mixed-signal ICs.
Two Flip Chip ICs Filter Out EMI and Protect Against ESD
Product News  
11/3/2004   Post a comment
Microsemi Corp.'s pair of flip chip ICs filter out electromagnetic interference (EMI) and protect against electrostatic discharge (ESD) damage in portable audio electronic applications, protecting earpiece speaker and microphone ports.
Adding extra hysteresis to comparators
News & Analysis  
11/3/2004   Post a comment
Analog comparators are always in the shadow of their more popular cousin, the ubiquitous op amp. Designers can draw upon a wealth of application notes for op amps, but for comparators the ANs are few. One consequence of that scarcity is that customers call the Maxim applications line for help when adding comparator hysteresis. This article explains how to add hysteresis to some common comparator circuits.
Simple adjustment to the output power of laser diodes
Design How-To  
11/2/2004   Post a comment
Laser diodes are enjoying ever greater popularity in sensor engineering and measurement technology thanks to their high optical output power. One of the advantages of this is that a wide optical range with a high signal-to-noise ratio is possible. Lower prices and ready availability have also greatly boosted their attraction as light sources in medical technology.
Power supply specifications: what's lurking behind the datasheet?
Design How-To  
11/2/2004   Post a comment
There's nothing quite like a power supply datasheet for providing specifications that are open to interpretation, vague or downright misleading. This article looks at a typical datasheet for a mid-power AC/DC switcher and, from input to output, looks at how specifications are quoted and what questions need to be asked to make their meaning unambiguous.
Low-Power is king of the portable world
Power DesignLine Blog  
11/2/2004   Post a comment
Where mobile devices are concerned, low power is king of the world. Here is a group of targeted articles for your low-power designs. The authors look at schemes for handhelds and more. They examine power consumption issues from four perspectives: software, processors, boards and end devices.
Step-Down DC/DC Converter - quiescent current of only 100A
Product News  
11/2/2004   Post a comment
Linear Technology announced the LT1977, a high voltage, 500kHz step-down switching regulator with Burst Mode® operation to keep quiescent current under 100µA. The circuit operates within a VIN range of 3.3V to 60V, making it compatible with load dump or cold-crank conditions in automotive applications.
National Semi Expands Feature Sets on Two Single-Chip Boomer Integrated Audio Subsystems
Product News  
11/2/2004   Post a comment
National Semiconductor Corp. launched two boomer audio subsystems that provide a wide variety of features for cellular phones and portable applications.
National Semiconductor: Hochpräzise Operationsverstärker für anspruchsvolle Anwendungen
News & Analysis  
11/2/2004   Post a comment
National Semiconductor stellt eine neue Familie von hochpräzisen, äußerst leistungsfähigen Verstärkern vor und kündigt damit den Eintritt in den wachsenden High-Precision-Markt an.
Alliance adds configurable supervisor ICs
Product News  
11/2/2004   Post a comment
Alliance Semiconductor's ASM1232 and ASM1832 power-supply supervisor IC families are configurable devices for general monitoring of power-up, power-down and brownout conditions in microprocessor and microcontroller-based systems. "We are excited to include user-configurable functionality to our growing base of CPU supervisor products," said Nelson Arata, product marketing manager for the Analog and Mixed Signal business unit. "Configurability gives the system designer greater flexibility and add
National cuts guidance as inventories stay high
News & Analysis  
11/1/2004   Post a comment
In yet another sign the semiconductor industry is in for a rough quarter, National Semiconductor Corp. (Santa Clara, Calif.) lowered revenue guidance for the second fiscal 2005 quarter ending Nov. 28, 2004
Maxim reports sales gain but bookings slow
News & Analysis  
11/1/2004   Post a comment
Maxim Integrated Products Inc. (Sunnyvale, Calif.) reported net earnings of $144.5 million on sales of $435.1 million in its first fiscal 2005 quarter ended Sept. 25, compared to earnings of $87.4 million on sales of $310.2 million in the year-ago fiscal quarter.
How to Design a "Power Good" Signal that is Drain Referenced
Design How-To  
11/1/2004   Post a comment
Hot swap controllers used in 48 V telecommunication applications generally offer a Power Good signal to inhibit the operation of the load circuit until the initial inrush current into the input filter capacitor has reduced to zero. This design idea describes a simple and inexpensive method of generating a Power Good signal that is drain referenced.
PoE interface with regulator offers smallest solution
Product News  
11/1/2004   Post a comment
Linear Technology's LTC4267, an IEEE 802.3af Power over Ethernet (PoE) controller, features an integrated switching regulator to greatly simplify powered device (PD) design. Requiring only a pass FET, transformer and a few small components, the LTC4267 is designed to provide the smallest PoE solution available for digital voice-over-IP phones, network wireless access points, security cameras, and any small Ethernet-connected device that requires less than 13 watts.
High Speed Audio A/D Converters Tout Clarity
Product News  
11/1/2004   Post a comment
Using advanced mixed-signal techniques in a multi bit sigma-delta design, and a proprietary cascade topology, Wolfson Microelectronics plc's WM8780/1/5/6 high-speed, audio analog-to-digital converters (A/D converters), maximize signal-to-noise ratio (SNR).
Improving system harmonic control with active power filtering
Design How-To  
11/1/2004   Post a comment
Unlike traditional power factor correction techniques, active power filtering (APF) supplies only the harmonic and reactive power required to cancel the reactive currents generated by nonlinear loads. In this case, only a small portion of the energy is processed, resulting in greater overall energy efficiency and increased power processing capability.
BTX Computer Motherboard Power Management Solutions
Design How-To  
11/1/2004   Post a comment
The Balanced Technology Extended (BTX) interface specification was developed by Intel to provide standard interfaces and form factors in an effort to address the thermal and acoustical issues associated with the ever-increasing power dissipation of desktop microprocessors
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Rishabh N. Mahajani, High School Senior and Future Engineer

Future Engineers: Don’t 'Trip Up' on Your College Road Trip
Rishabh N. Mahajani, High School Senior and Future Engineer
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A future engineer shares his impressions of a recent tour of top schools and offers advice on making the most of the time-honored tradition of the college road trip.

Max Maxfield

Juggling a Cornucopia of Projects
Max Maxfield
6 comments
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Larry Desjardin

Engineers Should Study Finance: 5 Reasons Why
Larry Desjardin
34 comments
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July Cartoon Caption Contest: Let's Talk Some Trash
Karen Field
128 comments
Steve Jobs allegedly got his start by dumpster diving with the Computer Club at Homestead High in the early 1970s.

latest comment mhrackin Where's the "empty bin" link?
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