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Cellphone Design news and hot articles

2008-05-01 Use analog switches for multimedia cellphone design
Several application examples are cited in this article to guide system designers with reducing pop noise, detecting chargers and improving USB eye-pattern opening in cellphones.
2008-02-25 Skyworks FEMs enable LG cellphones
Front-end solutions from Skyworks Solutions Inc. are enabling cellphones from LG Electronics. Cellphone models touting Skyworks design wins include the LG-KF700, LG-KF600, LG-KF610 and LG-KF510
2007-11-16 Cellphone board layout for enhanced audio
Although the audio functionality found in cellphones is increasing, the audio circuitry is often given the least consideration during board design. Here are tips to help ensure a well laid-out board that does not sacrifice audio quality
2007-09-25 TV, mobile to get a dose of Armani haute couture
Noted fashion designer Giorgio Armani and Samsung Electronics announced they have partnered to design a television, cellphone and other consumer electronics according to a Reuters report
2007-09-20 Minimize noise in audio channels with smart PCB layout
This application note discusses several factors that affect audio functionality in a cellphone PCB design
2007-09-17 What's next in cellphone design
Cellular telephony has been��and will continue to be��a major contributor to the growth of Asian economies. This article discusses the future of cellphone design
2007-08-27 Dull cellphone designs bog down Motorola
Observers say Motorola has not implemented an institutionalized system for regularly turning out products that are compelling in design as well as rich in features
2007-07-24 Buck-boost design stretches cellphone runtime
Linear has introduced a 800mA buck-boost converter that targets Li-Ion-powered handhelds with its input range of 2.4-5.5V and output range of 1.5-5.25V.
2007-04-16 Next-gen handsets call for balance
The one constant in cellphone design is change. This article discusses the latest handset design trends and their implications
2006-11-07 Ref design enables car cellphone hands-free kit
Simplifying system design of hands-free cellular phone kits for automobiles, Texas Instruments and Lyrtech have announced the availability of a complete Hands Free Kit Reference Design for use with TI's new TMS320C54HFK DSP
2006-08-16 Finding the right mem for your handset design
This article provides memory recommendations for basic, feature-rich and smart cellphone designs. It discusses memory options including SRAM, PSRAM and Mobile SDRAM, and examines how density, system architecture, caching and burst operation specifications affect your design decision
2006-07-04 Agere tapes-out 90nm cellphone chip with Cadence tech
Agere has completed design and implementation on a 90nm cellphone chipset using the Cadence X Architecture and taped it out
2006-06-02 Haier selects Philips design for low-cost cellphone market in China
Philips announced that Haier, a handset manufacturer in China, has selected the Philips Ultra Low Cost Reference Phone for its HG-Z1000 cellphone
2004-12-17 Samsung MMC measures 12-by-14-by-1.1mm
Samsung developed a small, low-power MMC for mobile phones that is touted to overcome a major hurdle in cellphone design
2004-12-16 Handset design coming of age in China
A recent IC Insights report has put mainland China's Ningbo Bird at the No. 8 position in the worldwide ranking of cellphone makers
2000-05-03 Cellphone design using highly integrated GSM radio chipset
The highly integrated RF subsystem for GSM900MHz and DCS1800MHz (or PCS1900MHz) with minimal external component count and low power is presented. The entire subsystem include RF front-end IC in receive path, power amplifier (PA), transceiver with integrated dual loop synthesizer, and power amplifier controller. This article describes the GSM900MHz and DCS1800MHZ systems.
2008-09-26 Qualcomm mobile chip powers first Android handset
Qualcomm may have secured its place inside the first Android cellphone but analysts believe that stiff competition from rival wireless chip vendors will follow on future handsets running the Google Inc.-backed OS
2008-09-04 NFC handset trial draws favorable response in UK
Europe's largest trial of NFC technology on mobile phones found that nine out of 10 consumers were satisfied using the technology on cellphone and 78 percent said they would be interested in using contactless services if available
2008-08-13 Analysis: iPhone opens door for cellphone revolution
Now that Apple has crystallized the concept of the Web-ready phone, the question is how this mobile platform will evolve in today's hypercompetitive environment.
2008-07-16 Save battery life with ambient light sensors
Applying ambient light sensing in conjunction with LED backlight driving can reduce power consumption significantly��while battery life increases. Advances in active solutions are exemplified by two examples, an ambient light sensor for a notebook PC and for a cellphone display
2008-06-20 Power amplifier upgrades GSM/EDGE cellphone capacity
Amalfi launched what it claims as the industry's first CMOS-based power amplifier for GSM/EDGE cellphones, which will enable manufacturers to deliver phones with greater than 20 percent improvement in usage time, thinner designs and additional functionality.
2008-05-19 HTC's Touch Diamond touted as iPhone2 rival
Taiwan's HTC has introduced a cellphone that is designed to make Web browsing as easy as making calls
2008-05-01 Use analog switches for multimedia cellphone design
Several application examples are cited in this article to guide system designers with reducing pop noise, detecting chargers and improving USB eye-pattern opening in cellphones.
2008-04-29 Market researchers report on Q1 08 cellphone shipments
Shipments of mobile phones increased by about 14 percent in Q1 08 year-on-year, according to market research groups Strategy Analytics and IDC, but both note that this represents a decrease from the previous quarter.
2008-04-16 Class G amps key in driving ceramic speakers
Today's portable devices drive a need for smaller, thinner and more power-efficient electronic components. Cellphone form factors have become thin that the traditional dynamic speaker has become the limiting factor in how thin manufacturers can make their handsets. Ceramic or piezoelectric speakers are quickly becoming a viable alternative to dynamic speakers
2008-04-11 In-flight cellphone use allowed on EU airspace
The European Commission announced it has opened the way for air passengers to use cellphones to talk or text during flights throughout the European Union airspace.
2008-04-08 Guess what? First cellphone call is 35 years old
Thirty-five years ago, Martin Cooper, who was then general manager of Motorola's communications systems division, placed the very first public cellphone call
2008-04-03 Full-length movies soon on cellphones
Thanks to Sony Pictures Television, 'Karate Kid' and 'Ghostbusters' may soon be viewed on the cellphone by U.S. users
2008-04-01 Cellphones integrate RF to cut costs
Lowering cellphone costs by integrating radio components was a running theme at the International Solid-State Circuits Conference.Broadcom, Infineon and Texas Instruments detailed solutions for pulling more of the RF work into 2.5G digital devices, typically integrated with baseband processors
2008-03-25 Authentication ICs secure cellphone batteries
Intersil has introduced advanced and flexible battery authentication ICs for cellphones, featuring the company's FlexiHash technology.
2008-03-17 Broadcom trains sight on mobile
Broadcom Corp. is accelerating its move to 65nm process technology as it sharpens its focus on the cellphone market and beyond
2008-02-25 Skyworks FEMs enable LG cellphones
Front-end solutions from Skyworks Solutions Inc. are enabling cellphones from LG Electronics. Cellphone models touting Skyworks design wins include the LG-KF700, LG-KF600, LG-KF610 and LG-KF510
2008-02-13 Nvidia's cellular CPU handles 720p video
NVidia has rolled out its first cellphone applications processor, taking a fresh run at the mobile business with a chip that handles video resolutions up to 720p
2008-02-08 GPS turns cellphone into handy navigation device
As an alternative to pricey personal navigation devices, you might consider upgrading your cellphone to one with a built-in GPS and paying as little as $4.16 per month to have it give you directions
2008-01-29 Nokia still leads, Samsung unseats Moto in IDC cellphone rankings
Nokia took the lead again in mobile phone shipments for 2007, although some shakeup in the vendor rankings was notable: Samsung took the second spot from Motorola.
2008-01-28 Handset shipments to reach 1.24B this year
Market research group Strategy Analytics forecasts that cellphone shipments will hit 1.24 billion globally in 2008, up 10 percent from 1.12 billion during 2007
2008-01-23 Coming soon: Foldable-screen handsets
Polymer Vision has developed a 5-inch display that can be squeezed into a gadget not bigger than any cellphone by making a screen that folds up when not in use
2008-01-15 Micro fuel cell platform doubles cellphone talk time
Angstrom Power's micro fuel cell platform could be implemented inside mobile devices instead of Li-ion batteries, offering twice the talk-time and fast recharge times of about 10mins.
2008-01-02 Swedish startups ring up cellphones
A tour around Stockholm, Sweden reveals a hotbed of cellphone developments--some of it disruptive, some of it in the category of technology searching for a solution
2007-12-28 DoCoMo gets Google, ups edge in iPhone rights race
While Japan's cellphone service providers are bidding for rights to offer Apple's iPhone, NTT DoCoMo has obtained a leg up on its competitors by scoring new services from Apple's important partner, Google
2007-11-20 China Mobile tests Mt. Everest cellphone service
China Mobile Communications reported that it has successfully tested a cellphone station at an elevation of 21,315ft on Mount Everest
2007-11-16 Cellphone board layout for enhanced audio
Although the audio functionality found in cellphones is increasing, the audio circuitry is often given the least consideration during board design. Here are tips to help ensure a well laid-out board that does not sacrifice audio quality.
2007-11-12 Cellphone processor bundles 3G protocols
NXP Semiconductors' programmable vector processor enables mobile devices to support multimode and multistandard platforms as well as providing flexibility for emerging telecom standards.
2007-11-01 Chips make charging portables safer
Texas Instruments offers battery charger front-end ICs that increase protection when charging a cellphone or other portable electronic device
2007-10-12 NXP solution powers first solar cellphone
China's Hi-Tech Wealth has selected NXP's Nexperia Cellular System Solution 5110 for its solar-powered mobile phone, claimed to be the first of its kind to be commercialized.
2007-09-25 TV, mobile to get a dose of Armani haute couture
Noted fashion designer Giorgio Armani and Samsung Electronics announced they have partnered to design a television, cellphone and other consumer electronics according to a Reuters report
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