Analyst sees new products gaining traction in LCD and handheld markets Product News 4/28/2005 Post a comment Following yesterday's yesterday's report on March quarter revenues, American Technology Research analyst Doug Freedman is upgrading his assessment of Intersil Corp. Though it's given up market share in the PC power components market, the company has overcome some of the bumbs from its merger with Xicor and is growing its business in the display arena. Here are the analyst's notes and projections from that earnings report.
Self-powered chips - The work of fiction Design How-To 4/28/2005 Post a comment Emerging portable micro-power applications like sensors, and implantable electronics continue to push technology to handle small, long lasting, low-cost, and fully integrated solutions. However, there are limitations that must be overcome. Here's what one graduate program is doing to meet these demands.
Verstärkung jenseits der Gigahertz-Schallmauer News & Analysis 4/28/2005 Post a comment Stabilere Parameter und eine höhere Verstärkung in Hochgeschwindigkeits-Applikationen soll der Operationsverstärker LMH6703 von National Semiconductor gewährleisten. Die elektrische Stabilität des Bausteins gibt Entwicklern mehr Freiheit bei der Gestaltung der Leiterplatten.
Intersil, ON Semi, Cirrus report sales and earnings News & Analysis 4/27/2005 Post a comment A mixed bag of news continues to permeate the semiconductor industry, with Intersil Corp. seeing a slight sales uptick but ON Semiconductor and Cirrus Logic Inc. seeing lower sales as seasonally slow demand and falling prices played factors.
Atmel's GPS baseband IC offers 3 meter accuracy Product News 4/27/2005 Post a comment Atmel has expanded its global positioning systems (GPS) offering with a 14-channel, GPS baseband IC that carries a $5 price tag and three-meter accuracy. The Baldur chip is priced about 45% lower than any other comparably featured GPS baseband IC.
Increasing military needs for portable power News & Analysis 4/27/2005 Post a comment Jane's Information Group, an independent provider of intelligence and analysis on national and international defense, conducted a study that examines the increasing challenges faced by the U.S. Military to keep up with personal power demands of modern soldiers.
Using dual port memory as interconnect Design How-To 4/26/2005 Post a comment Interconnect ICs enable data transfer between a variety of processing elements that do not have a compatible interface. They are also used to extend system bus that does not have the required fanout or sufficient bandwidth to meet the data transfer need. Popular interconnect components are dual-port buffers, SERDES, and PCI bridge chips. Without the usual circuit diagrams or waveforms, a Cypress engineer suggests how.
MOSFETs stay true to temperature Product News 4/26/2005 Post a comment Siliconix says the ten new devices in its portfolio of n-channel MOSFETs are the industry's first with high threshold voltage yet low on-resistance (3.4 volts, and as low as 2.7 milliohms, respectively). The new devices are designed to minimize the variation in threshold despite large increases in operating temperature, which when high enough will shift the traditional MOSFET's threshold voltage to near zero and initiate a spontaneous turn-on.
Autoshutdown for speaker amplifier conserves cell-phone power Design How-To 4/26/2005 Post a comment Cell phone amplifiers can benefit from the same power-saving features used by their CPUs. An auto shutdown circuit devised by Maxim exploits the transient nature of cell-phone conversations. When the circuit detects a lull in conversation, it places the speaker amplifier in a low-power shutdown state that conserves battery life and extends talk time. Read this to see how.
Agere meets guidance but posts loss News & Analysis 4/26/2005 Post a comment Agere Systems Inc. reported a net loss of $68 million, or 4 cents per share, on sales of $417 million in the second 2005 fiscal quarter ended March, compared to $74 million, or 4 cents per share, on sales of $462 million in the year-ago quarter.
Dual-output regulator powers low-voltage DSPs Product News 4/26/2005 Post a comment Linear Technology's LTC3548 is a dual-output synchronous buck regulator that delivers up to 800 mA of continuous output current from one channel and up to 400 mA from the other for low-voltage (down to 0.6 V) DSPs and microcontrollers.
Démission du PDG de Silicon Laboratories News & Analysis 4/26/2005 Post a comment Silicon Laboratories a annoncé la démission de son Président-directeur général, Daniel Artusi. Le président du conseil d’administration, Nav Sooch, a été nommé directeur général par intérim.
IC 'drives' signal conditioning at SMPTE data rates Product News 4/25/2005 Post a comment National Semiconductor is sampling an HDTV serial digital cable driver and adaptive cable equalizer that it claims deliver the industry's lowest power and highest electro-static discharge (ESD) protection to the video production equipment market. The CLC002 SD/HD (standard definition/high definition) TV digital cable driver and CLC034 SD/HD TV adaptive cable equalizer deliver the signal conditioning necessary for standard- and high-definition serial data transmission at Society of Motion Picture
Highly integrated clock IC supplants quartz-based solutions Product News 4/25/2005 Post a comment Designed to replace quartz crystals in applications in which timekeeping accuracy is critical, a new real-time clock (RTC) from Dallas Semiconductor has been integrated with several functions that enable it to offer better than ±2 minutes per year accuracy over a wide operating-temperature range.
How to measure temperature in integrated systems Design How-To 4/25/2005 Post a comment As processor speeds increase and draw more power, thermal management becomes an increasingly important issue. Here's how to reduce or eliminate the primary sources of error in temperature measurement so you can increase power savings efficiency of the thermal management systems.
Dual-phase controller raises the Hammer Product News 4/25/2005 Post a comment Maxim Integrated Products' MAX8760 is a dual-phase, step-down controller that (with external MOSFETs) powers up AMD 9G and AMD Hammer CPU cores. The MAX8760 is intended for two types of CPU core applications: stepping down the battery directly, or stepping down a 5-volt system supply to create the core voltage. The chip's single-stage converter allows this device to directly step down high-voltage batteries at high efficiency. Alternatively, it uses a two-step conversion at a higher switching fr
Power block simplifies synchronous buck designs Product News 4/23/2005 Post a comment International Rectifier's iP1203, the latest addition to the company's iPOWIR family, is a synchronous buck converter building block that achieves over 90 percent efficiency at full load. The iP1203, with relatively few external components, can deliver 15 amps at 0.8 to 8 volts from a 5.5 to 13.2-volt input to simplify DC/DC point-of-load (POL) converters that power network processor units and ASICs.
Freescale posts profit, expects flat growth News & Analysis 4/21/2005 Post a comment Freescale Semiconductor Inc. reported net earnings of $85 million, or 20 cents per share, on sales of $1.44 billion in the first quarter of 2005, compared to $5 million, or 1 cent per share, on sales of $1.43 billion in the previous quarter.
Hot-swappable, 21-bit LVDS deserializers curtail space and cost Product News 4/21/2005 Post a comment Maxim Integrated Products has added three members to its high-speed low-voltage differential signaling (LVDS) SerDes family. The MAX9234, MAX9236 and MAX9238 are hot-swappable, 21-bit, DC-balanced LVDS devices that can deserialize three LVDS serial inputs into 21 single-ended LVTTL/LVCMOS outputs, and communicate over a three-wire twisted pair or differential line.
NiMH booster delivers 400 mA for portables Product News 4/21/2005 Post a comment ON Semiconductor's NCP1423, the latest member of the company's portfolio of micropower IC step-up devices, is a DC/DC switching regulator that boosts the voltage from a single nickel metal hydride (NiMH) or nickel cadmium (NiCd) cell to 1.8 volts, or two cells to 3.3 volts for portable electronic products. It delivers up to 400 milliamps for such applications as wireless optical mice and keyboards, wireless headsets, audio players, PDAs and other hand-held devices.
Op amps come in SOT-23 package Product News 4/21/2005 Post a comment Microchip Technology Inc. is offering single-supply, rail-to-rail input/output, low-power operational amplifiers in space-saving 5-pin SOT-23 packages that operate over a variety of bandwidths ranging from 10 kHz to 10 MHz.
More on designing reliable electronic ballasts Design How-To 4/20/2005 Post a comment Long, long ago, in a land far away (actually, not so far away with the Internet and 800 numbers), our hero tried to figure out how to keep electronic ballasts from blowing up. The key, writes Sanjaya in this installment of his power design column, is in the ferrite inductor in series with the lighting tube. While its basic purpose is to limit the current, there is a good deal of resonant frequency energy coming off line. Your choice to use if for good or evil.
WirelessUSB opens applications for human interface devices Design How-To 4/20/2005 Post a comment Operating in the 2.4 GHz spectrum, enables wireless solutions for a variety of computer peripherals such as keyboards, mouse pointers, security systems, and even headsets. From the April issue of Planet Analog magazine, a Cypress Semiconductor engineer offers insights into an SoC architecture that implements spread-spectrum over 10 meters - without interfering with other devices in its frequency range.
UMC chairman fined over Chinese foundry disclosure, says report News & Analysis 4/20/2005 Post a comment Taiwan's Financial Supervisory Commission has fined Robert Tsao, chairman of foundry chipmaker United Microelectronics Corp., for failing to disclose in a timely way its relations with Chinese foundry He Jian Technology, according to an Associated Press report on BusinessWeek Online.
SiRF to acquire Swedish RF design team for $33 million News & Analysis 4/20/2005 Post a comment SiRF Technology Holdings Inc. (San Jose, Calif.), a provider of GPS-enabled location technology, has agreed to acquire radio frequency integrated circuit design services company Kisel Microelectronics AB (Stockholm, Sweden). The deal, a mix of cash and stock, would cost up to $33 million, SiRF said.
Dialog Semi beißt die Zähne zusammen News & Analysis 4/20/2005 Post a comment Einen Umsatzeinbruch um fast 20 Prozent musste Dialog Semiconductor im ersten Quartal verkraften. Trotz roter Zahlen glaubt man bei dem Fabless-Chiphersteller an ein positives Jahresergebnis.
MIPS, Linear post profits amid rises on royalty revenue News & Analysis 4/19/2005 Post a comment Linear Technology Corp. posted net earnings of $121 million, or 39 cents per share, on sales of $290.7 million in its third 2005 fiscal quarter ended April 3, compared to $85.5 million, or 27 cents per share on sales of $209.1 million in the year-ago quarter.
Atmel's LIN2.0 System Basis Chip offers 6-kV ESD protection Product News 4/19/2005 Post a comment Atmel has announced the Local Interface Network (LIN) system basis chip ATA6620, which provides outstanding ESD protection (6 kV) and low current consumption as required in automotive applications. The current consumption can even be further reduced by the device's silent mode function that is unavailable in other LIN2.0 devices.
WLAN-Endstufe geizt bei Leistungsaufnahme News & Analysis 4/19/2005 Post a comment Den schnell wachsenden WLAN-Markt will der Chiphersteller Atmel mit seinem neuen HF-Leistungsverstärker ATR7032 bedienen. Durch seine geringe Stromaufnahme eignet sich der Chip auch für batteriebetriebene Geräte.
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 ...