Dual-slot, hot swap controller simplifies PCI Express connection
Product News 12/29/2006 Post a comment
Linear Technology's LTC4242, a narrow, dual-slot PCI Express hot swap controller for mid-range networking or storage servers and embedded applications, eliminates complex software interfaces, yet provides a rugged and compact solution for independently controlling the main supplies and the auxiliary supply on two slots.
Engineer's guide to HDMI ESD protection: Part 1
Design How-To 12/29/2006 Post a comment
Circuit manufacturers continue to decrease the minimum dimensions of the transistors, interconnections, and the insulation layers in their devices. This results in smaller structures for higher speed devices, which are more susceptible to breakdown damage at lower energy levels. An examination of system ESD protection design issues, and common misunderstandings about ESD protection components for HDMI (or other) I/O ICs.
How to use undersampling
Design How-To 12/22/2006 Post a comment
Undersampling can be an extremely valuable tool, but care must be taken to ensure good performance. Here's how to make it work.
5-amp LDO powers ultralow-voltage DSPs, ASICs
Product News 12/22/2006 Post a comment
Micrel's MIC69502 is a 5-amp low-voltage, low-dropout (LDO) regulator suited for FPGAs, microcontrollers and logic ICs in next generation optical networks, communication switches, storage networks, wireless base stations, and home entertainment systems.
ADI sues Silicon Labs for patent infringement
News & Analysis 12/21/2006 Post a comment
Analog Devices filed a patent infringement suit against Silicon Laboratories in U.S. District Court in Boston. ADI alleges that Silicon Labs' Si84xx family of products infringe multiple U.S. patents addressing physical construction and signaling techniques related to ADI's iCoupler digital isolation products.
Comparators top list of top 10 IC growth products
News & Analysis 12/20/2006 Post a comment
Comparators, chips used to measure two different voltages, will be the fastest growing semiconductor product segment in 2006, with projected growth of 37 percent, according to estimates by market research analyst firm IC Insights.
Extracting value from integrating power-management
Design How-To 12/20/2006 Post a comment
Management of system power is a significant issue for today's convergent devices where controlling multiple regulators is the norm. The system-on-chip is a natural for controlling multiple power needs. Here's what you need to consider to get the most from your design.
Interface chips support updated HDMI v1.3 standard
Product News 12/20/2006 Post a comment
Analog Devices has expanded its line of HDMI interface chips with multiplexers, receivers and transmitters that support the updated HDMI v1.3 standard. The latest additions to ADI's line address growing consumer demand for high-definition content in multimedia products ranging from 1080p deep-color HDTVs to low-power portable applications, including digital video and still cameras, portable media players and cell phones.
Gas gauge chipset advances Li-ion battery protection
Product News 12/19/2006 Post a comment
Texas Instruments' bq20z90 advanced Impedance Track gas gauge chip for multicell, lithium-based battery packs, for use with the company's bq29330 analog front end (AFE) battery protection IC, uses one-third fewer components than its predecessor.
Non-classical MOSFET solutions for power-efficient CMOS
Design How-To 12/17/2006 Post a comment
The electronics industry is addicted to the CMOS technology for MOSFET transistors because of the performance and density gains that come with shrinking it. Below 32 nm this becomes difficult because energy dissipation becomes critical. New materials and structures are needed — here's what you need to know to make the right power decision for your designs.
Startup tunes .11n for short-range HDTV video
Product News 12/15/2006 Post a comment
Startup Amimon Inc. will demonstrate at the Consumer Electronics Show a prototype of its wireless high definition interface for HDTV video, using technology based on a variation of 802.11n that can deliver up to 1.5 Gbits/second.
Digital Receiver Design: Basics of Software Radio Part 1
Design How-To 12/15/2006 Post a comment
Digital receivers have revolutionized electronic systems for a variety of applications including communications, data acquisition, and signal processing. This series shows how digital receivers, the fundamental building block for software radio, can replace conventional analog receiver designs, offering significant benefits in performance, density and cost.
Single-chip comprises THD analyzer
Product News 12/14/2006 Post a comment
Build your own test gear. Specialized IC supplier Mixed Signal Integration has a nifty CMOS chip that can measure THD. The device is a single-chip 1/6th octave-wide five-harmonic distortion analyzer.
High-side current monitors feature 8-450 volt input range
Product News 12/13/2006 Post a comment
The HV7801 and HV7802 high-side current monitors from Supertex feature an ultrawide operating range, 8 to 450 volts, for motor controls, off-line sensors, instrumentation amplifiers, and current-sensing for high-voltage LED drivers, batteries, and switchmode supplies.
Design of High-Performance Balanced Audio Interfaces
Design How-To 12/13/2006 Post a comment
High signal-to-noise ratio is an important goal for most audio systems. However, ac power connections unavoidably create ground voltage differences, magnetic fields, and electric fields. Balanced interfaces, in theory, are totally immune to such interference.
Dual-band chipset is 802.11n-draft compliant
Product News 12/12/2006 Post a comment
Here's a chipset that may ease designs of wireless digital entertainment systems. Re-introduced as second-generation silicon by Metalink, the WLANPlus chipset is billed by the company as the industry's first IEEE-802.11n-draft-compliant dual-band chip-set.