Real time clocks boost security, tamper detection Product News 8/31/2006 Post a comment Intersil's ISL1219/21 real time clocks with improved tamper detection are suited for time stamping single events such as the moment a warranty is voided by the removal of a cover, or recurring events such as the opening and closing of a security door.
Dual-triple-quad sequencer/supervisors ease design-in Product News 8/30/2006 Post a comment Offering maximum design flexibility, Maxim's MAX16025/16026/16041 dual voltage monitor/supervisors, the MAX16027/16028/16042 triple devices, and the MAX16029/16030/16043 quad devices for power-sequencing applications offer fixed and adjustable threshold-setting through logic inputs, and sequence timing via small external capacitors.
Temperature sensors expand notebook, server monitoring Product News 8/29/2006 Post a comment National Semiconductor's expanded family of TruTherm temperature sensors for monitoring notebooks, desktops and servers powered by high-performance microprocessors manufactured on 65 and 90 nm processes include five new entries with extended capability.
Report: ON Semi to meet guidance News & Analysis 8/28/2006 Post a comment Semiconductor supplier ON Semiconductor is tracking toward the midpoint of its guidance range for sales of $405 to $415 million in the third quarter ended September, according to a report by securities firm Wedbush Morgan Securities.
RF Monolithics buys networking, software companies News & Analysis 8/28/2006 Post a comment RF Monolithics Inc. has signed definitive agreements to acquire Cirronet Inc., a wireless data communications and networking company, and Caver-Morehead Systems Inc., a supplier of computerized maintenance management system (CMMS) software.
Rail-to-rail comparators have LVDS outputs Product News 8/28/2006 Post a comment Analog Devices' 10-member ADCMP60x family of rail-to-rail comparators, touted as the first to include low-voltage differential signaling (LVDS) outputs, are thus suited for driving such devices as FPGAs and ASSPs in a wide range of differential-mode applications.
Buck-boost vs. buck converter: it's about battery life in portables Design How-To 8/28/2006 1 comment Micro hard drives used in portable electronics can use either a buck or a buck/boost converter but there are challenges with each design. The buck converter has higher efficiency but the buck-boost can handle all voltage requirements. Find out which converter is best for your application.
8-bit DAC touts highest linearity Product News 8/25/2006 Post a comment austriamicrosystems AS1504/05 family of 8-bit DACs, with shutdown and mid-scale reset, claims the industry's highest linearity for devices with 8 analog output channels.
Controller IC simplifies dot-matrix LCDs for portables Product News 8/24/2006 Post a comment EM Microelectronic's EM6110 bitmap controller and driver chip for full dot-matrix monochrome TN and STN LCDs is highly integrated, simplifying the design of the display electronics in headsets, weigh scales, utility meters, and battery-operated products.
12-bit DAC touts best SFDR at RF Product News 8/22/2006 Post a comment Maxim's 12-bit MAX19692, a 2.3 Gsps digital-to-analog converter (DAC), claims best-in-class dynamic range (SFDR) among high-speed DACs that can directly synthesize high-frequency and wideband signals in multiple Nyquist zones.
Rugged high-voltage ICs boost motor, audio applications Product News 8/18/2006 Post a comment International Rectifier's IRS21xx and IRS21xxx additions to the company's line of G5 500- and 600-volt high-voltage integrated circuits (HVICs), 19 additional versions in all, boast greater ruggedness for motor control, lighting, switchmode power supplies, audio, and flat-panel displays.
Transmitter, receiver chips extend HDTV Product News 8/18/2006 Post a comment Poised for the rising tide of high-definition audio and video systems, Analog Devices has extended its line of High-Definition Multimedia Interface ICs with seven new transmitter, receiver and multiplexer chips that support HDMI v1.2a signals up to UXGA resolutions (1600-by-1200 at 60 Hz) and DVI (digital video interface) v1.0.
Zoran threatened with Nasdaq delisting News & Analysis 8/16/2006 Post a comment Joining a growing list of firms under scrutiny for failing to make regulatory filings in a timely fashion, fabless semiconductor vendor Zoran said it has received notification from the Nasdaq marketplace that its stock may be de-listed from the exchange.
Altera, Finnish firm offer development kits for OBSAI design News & Analysis 8/15/2006 Post a comment Claiming an industry first, programmable logic supplier Altera and wireless technology specialist Elektrobit Group announced the availability of development kits for designing applications in compliance with the Open Base Station Architecture Initiative (OBSAI) Reference Point 3-01 (RP3-01) specification for remote RF heads.
DC/DC chip can be programmed from I2C, SSC interfaces Product News 8/15/2006 Post a comment Advanced Analogic Technologies says its AAT 1142, an 800-mA voltage-scaling step-down converter for portable applications, is the first to offer dynamic voltage management through both a two-wire I2C interface and the company's single-wire Simple Serial Control (S2Cwire) digital interface.
Quad driver can light thirty-two 1-amp LEDs Product News 8/14/2006 Post a comment Linear Technology's LT3476 DC/DC converter chip contains four independent driver channels that can each drive up to eight 1-amp LEDs in series. Thus the LT3476 can drive up to thirty-two 1-amp LEDs for 100-watt LED applications while delivering efficiencies up to 96 percent.
The evolution of Power over Ethernet brings high power Design How-To 8/14/2006 Post a comment PoE delivers DC power in tandem with 10/100/1000 Mbps data. As it evolves, there is a need for enhancements to the standard to enable emerging applications. Here are some circuit designs you'll want to know about to keep up with the evolving standard.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...