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GPS-Bluetooth radio IC upgrades next-gen handsets

Posted: 13 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:GPS? Bluetooth? radio IC?

GPS chip vendor SiRF Technology Holdings Inc. has launched a single-chip combination radio IC with a GPS RF front-end and a complete Bluetooth 2.1 + enhanced data rate (EDR) controller designed for the company's multifunction SoC platforms.

SiRFlinkIII is believed to drive its on-chip Bluetooth radio at full class 2.0 power while enabling high GPS sensitivity and it provides lower cost and faster time-to-market to drive Bluetooth functionality in next-generation mobile convergence devices.

"Our goal is that in the next-generation of navigation system designs, Bluetooth will become much more prevalent," said Kanwar Chadha, founder and VP marketing, SiRF.

"The 90nm CMOS device implements sophisticated systems, like blocking schemes and radio isolation within the silicon to enable system-level OEMs in overcoming the setbacks related to integrating a GPS radio with other radios," he added.

The company said SiRFlinkII passed Bluetooth 2.1 + EDR qualification tests as well as interoperability testing in more than 150 mobile phones in the market.

"Since the GPS and Bluetooth functions have many common peripheral parts, such as power regulators and clock sources, the SiRFlinkIII combo radio IC is capable of giving low BOM cost and small footprint," it added.

It noted that SiRFlinkIII is pre-integrated with the company's SiRFatlas and SiRFprima SoC platforms, which include features for Bluetooth operation in personal navigation devices like noise and echo cancellation. "It is provided with Bluetooth profiles such as hands-free profile, advanced audio distribution profile, dial-up networking and many others from Bluetooth profile vendors," SiRF said.

"Incorporating the device with the company's multifunction SoC platforms improves the system-level capacity while reducing the design complexity for users," Chadha said.

"The SiRFlinkIII sampling will be given to lead customers with full production volumes at the end of the year," Sirf noted. Chadha said the company expects the device to be included in navigation systems and will be released in the market early next year. A complete set of reference design and full evaluation kit will also be available.

- Dylan McGrath
EE Times

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