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TI transceiver drives down handset cost, complexity

Posted: 19 Mar 2004 ?? ?Print Version ?Bookmark and Share

Keywords:texas instruments? ti? wcdma rf transceiver? trf6302?

The dual-band WCDMA RF transceiver from Texas Instruments Inc. (TI) promises to drive down the cost and complexity of WCDMA handset design.

By combining the company's WCDMA transmit and receive devices into a single-chip RF solution, wireless manufacturers gain a low BoMs, improved design and power efficiency through a smaller footprint and sleeker form factors.

"The TRF6302's highly integrated design and low power consumption significantly reduces the complexity and streamlines the development of advanced 3G handsets," said Christophe Jouin, GM of TI's 3G wireless chipset business.

Combining the functions of the TRF4150 single-chip WCDMA transmitter and TRF5150 single-chip WCDMA receiver, the TRF6302 consumes <30mA of current for receive (Rx) and <60mA for transmit (Tx) while supporting a 6dBm output power level.

The product supports both 800MHz and 2,100MHz band operations, and offers reduced complexity as it requires fewer external filters over devices based on IF techniques. It features the company's direct conversion (DC) technology that provides integration of numerous functions, including voltage control oscillators, low-noise amplifiers, phase lock loops, loop filters, synthesizers, and low dropout regulators.

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