Multichannel DAC Family supports DVDs and super audio CDs News & Analysis 11/25/2003 Post a comment Wolfson Microelectronics introduced a family of low-cost, power-efficient multi-channel digital analog converters. Members include five 6-channel and a 2-channel DAC. They offer power-saving operation at a low cost and provide performance for the next generation of DVD and super audio compact disc players.
Power chip drives point-of-load applications News & Analysis 11/25/2003 Post a comment Texas Instruments' TPS54350 is the newest addition to the company's SWIFT (switcher with integrated FET technology) family, a 3-amp, nominal 15-watt DC/DC (non-isolated) PWM buck converter suitable for point-of-load applications. Working from a 4.5- to 20-volt input, the converter is especially useful for powering DSP, FPGA, and microprocessors directly from a mid-voltage bus, versus an additional low-voltage bus.
Analog mux parts claim reduction in signal feed-through News & Analysis 11/25/2003 Post a comment Intersil's new MightMUX devices claim a 99 percent reduction in off-state leakage current and a 99 percent reduction in off-state signal feed-through " at least, compared with Intersil's previous-generation switches. But then, a 2-pA leakage current is respectably low.
Supervisor IC indicates fan failure News & Analysis 11/25/2003 Post a comment A watchdog timer can monitor the tachometer output of your PC fan, and tell you when you have a problem. From the November issue of Planet Analog magazine, a Maxim apps engineer shows how.
Chips from magnetoresistive material advance in lab News & Analysis 11/25/2003 Post a comment Magnetoresistive materials being developed by researchers at the University of Chicago and Argonne National Laboratory may offer a promising alternative to the semiconductor industry's current chip-making processes. Instead of relying on atomic accuracy, theorists say that the researchers, who have harnessed nanoscale imperfections in a material, could use it as a thin film for chip fabrication. Colin Johnson reports.
Controller handles multiple hard drives News & Analysis 11/25/2003 Post a comment small startup has crafted a novel controller for high-end gaming and video-editing desktop PCs that use multiple hard-disk drives. NetCell Corp., based here, claims its TurboDisk chip can control up to five hard drives while providing better performance and data protection than RAID Level 5 controllers, at a lower cost.
Multichannel DAC Family supports DVDs and super audio CDs Product News 11/25/2003 Post a comment Wolfson Microelectronics introduced a family of low-cost, power-efficient multi-channel digital analog converters. Members include five 6-channel and a 2-channel DAC. They offer power-saving operation at a low cost and provide performance for the next generation of DVD and super audio compact disc players.
CMOS transceiver circuit builds a compact RFID reader News & Analysis 11/25/2003 Post a comment EM Microelectronic offers a practical circuit for an RFID card reader. The author offers instructions for configuring the circuit for read-only, read-write and passive transponder applications. Because the operation is dependent on the resonance of the RFID card with its reader, tuning capacitor selection can be critical, he advises.
CMOS dual band radio core offers digital and analog interfaces Product News 11/20/2003 Post a comment The WiLD RF is a WLAN dualband radio IP core in CMOS technology usable for development of a standalone single chip radio, either with an digital or analog interface to the modem or for integration with other functional blocks like MAC and Modem for complete 802.11a,b,g applications.
Analog Devices fourth-quarter net more than doubles News & Analysis 11/20/2003 Post a comment Analog Devices Inc. said its fiscal fourth quarter net income soared 153 percent with orders for future delivery surging to a two-year high as the chip sector recovery continued to gain momentum. The DSP and analog IC supplier exceeded analysts' consensus estimate in the three months ended Nov. 1 with revenue rising 22 percent from the year-ago quarter on broad demand from all segments of the company's operation.
White LED driver powers a 9V CCD Camera via USB News & Analysis 11/20/2003 Post a comment USB is a de facto standard in every new personal computer and/or laptop. But this doesn't come free: USB 1.0 connections only give you 5 volts. In this design note from the November issue of Planet Analog magazine, a National Semiconductor engineer shows how to wire a white LED driver to cough up the 9 volts needed to power a CCD camera.
HP iPAQ 1945: PDA packs plenty of analog Teardown 11/20/2003 Post a comment So, just how Analog is your Personal Digital Assistant? Of the roughly 600 electronic components used in the latest HP iPAQ design, only a small fraction formed the binary heart of the system, writes David Carey in this teardown report compiled for the November issue of Planet Analog magazine. Samsung, Philips, National Semiconductor, Semtech and Maxim are among the names he sees.
Analog mux parts claim reduction in signal feed-through Product News 11/17/2003 Post a comment Intersil's new MightMUX devices claim a 99 percent reduction in off-state leakage current and a 99 percent reduction in off-state signal feed-through " at least, compared with Intersil's previous-generation switches. But then, a 2-pA leakage current is respectably low.
Cognitive' radios the next step for SDR Design How-To 11/13/2003 Post a comment The future of two-way radio communication lies in the ability to use a single device to communicate as a network with other types of devices, maximize the use of limited bandwidth and harness the power of flexible and adaptive software-based protocols.
Crafting software-defined radio for 3G News & Analysis 11/13/2003 Post a comment Before software-defined radios can be fielded for cellular systems, two simultaneous and often conflicting requirements must be met: wide instantaneous bandwidth and high dynamic range in both the digital and analog domains.
A revolution is afoot for next-generation video applications Product News 11/13/2003 Post a comment Need something for the hot video market? Check out these two mixed signal video decoders, which includes the industry's lowest power, smallest size device on the market. These high performance video decoders convert NTSC, PAL and SECAM video into digital component video in both portable and high volume, as well as high quality and high-performance applications for personal video appliances, digital televisions, handheld consumer electronics and mobile phone TV's.
Digital motor-control ICs cut programming overhead News & Analysis 11/12/2003 Post a comment International Rectifier's IRMCK201 and IRMCK203 digital controller chips, the latest members of the company's iMOTION integrated design platform, ease the task of configuring motion control algorithms for permanent magnet and AC induction motor systems requiring both speed and precision. These ICs contain a Motion Control Engine (dedicated hardware logic) that serves as an alternative to traditional motor driver controllers, which rely on digital signal processors or microprocessor control units