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Broadcom, Skyworks announce EDGE solutions for mobile phones

Posted: 16 Feb 2007     Print Version  Bookmark and Share

Keywords:Bluetooth  Wi-Fi  transceiver  Broadcom  Skyworks 

Broadcom and Skyworks Solutions are gearing up for a battle with Texas Instruments, Analog Devices and other wireless chipset developers with EDGE solutions for mobile phone designs.

Broadcom announced an integrated base band/RF device that is developed in a 65nm process. The chip, called the BCM21331, integrates an EDGE RF CMOS transceiver, all of the analogue and digital base band functions, and multi-media support. The chip also includes 3.2Mpixel camera support; video streaming and capture at 30fps using an H.264 hardware accelerator; audio support for speakerphones and stereo headsets; a USB 2.0 interface for connectivity; and the company's single antenna interference cancellation (SAIC) signal processing, which is designed to improve reception and voice quality.

To complement the BCM21331 EDGE processor, Broadcom also offers the BCM59001 power management unit and a set of Bluetooth solutions including the BCM2045 Bluetooth, BCM2048 Bluetooth + FM, or BCM4325 Bluetooth + Wi-Fi + FM single-chip devices. Additionally, Broadcom provides its CellAirity software suite, which includes pre-ported applications supporting an EDGE-class multi-media handset.

While Broadcom pushed for an integrated base band/RF device, Skyworks stayed true to its RF background with the release of the SKY74210 RF CMOS transceiver for combined EDGE/W-CDMA (WEDGE) phones. Housed in a 7-by-7mm LGA package and part of the company's Helios family, the SKY74210 WEDGE device includes a direct-conversion transmit chain, which is developed using a polar-loop transmitter approach. The chip also includes drivers that allow designers to implement separate GPRS and W-CDMA power amplifiers. A six-wire interface is also included for linking up with base band devices.

Broadcom's BCM21331 is sampling to key customers. Skyworks' SKY74210 will start sampling Q4 this year.

- Robert Keenan

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