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Broadcom’s Ultra-Low Power Wi-Fi Chips

Published On 23rd October 2006 @ 23:01 In Hardware | No Comments

The BCM4326 (for 802.11b/g applications) and the BCM4328 (for 802.11a/b/g applications) are the latest solutions from Broadcom. The new chips’ architecture incorporates self-contained Wi-Fi systems that simplify the integration into consumer electronics designs. A number of key innovations are introduced with these products including: unparalleled power performance; unique algorithms for improved coexistence with Bluetooth wireless radios; enhancements to Broadcom’s field-proven Wi-Fi software stack; superior RF performance (enabled by enhanced circuitry) that significantly improves radio sensitivity.

Both the BCM4326 and BCM4328 WLAN solutions combine single-chip 802.11Wi-Fi transceivers and radios with a software architecture that reduces the Wi-Fi subsystem’s total power consumption. This combination enables a 54Mbps full-rate active receive power consumption of less than 270 mW, and provides an attractive solution for developers of battery operated devices, such as mobile phones.

In addition, the BCM4326 or BCM4328 can be easily combined with Broadcom’s proven Bluetooth, VoIP, multimedia processor, FM radio and cellular solutions. Broadcom’s Wi-Fi and Bluetooth solutions employ InConcert co-existence technology that reduces interference. This facilitates new usage models, such as streaming content across the Wi-Fi link while simultaneously enabling Bluetooth headphones with clear and uninterrupted sonic quality.

Broadcom’s single-chip architecture provides a footprint of less than 50 mm2. The highly integrated architecture combines Broadcom’s third generation 802.11g radio, MAC and baseband, along with advanced power management circuitry on a single chip.

“Wi-Fi has completely transformed the way people connect to the Internet and has consequently inspired developers of an increasingly diverse range of devices to envision the advantages that wireless connectivity can add to their products,” said Michael Hurlston, Vice President and General Manager of Broadcom’s Wireless LAN line of business.

Samsung has selected one month ago the[1] Broadcom’s Wi-Fi phone chipset BCM4318 WLAN for its new Wi-Fi phones.


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[1] Broadcom’s Wi-Fi phone chipset: http://news.soft32.com/broadcom-chipset-in-samsung-wi-fi-phones_2349.html

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