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STMicroelectronics Introduces First Fully Integrated Low-Noise Amplifier IC for GPS Applications


New single-chip low-noise amplifier offers additional functions and excellent RF performance in a smaller footprint

Geneva, March 27,2006 - STMicroelectronics (NYSE: STM), a worldwide leader in Global Positioning System (GPS) Radio Frequency (RF) front-end receivers, has expanded its family of silicon Monolithic Microwave Integrated Circuits (MMIC) amplifiers with a new single-chip product designed for use in electronic devices embedding a GPS function.

The SMA661AS is the first low-noise amplifier with integrated matching networks and an embedded power-down function. The chip, which requires only one external input capacitor, drastically reduces the application bill of materials and the Printed Circuit Board (PCB) area, resulting in an ideal solution for compact and cost-effective GPS Low Noise Amplifiers (LNA).

The fully integrated SMA661AS, which is implemented in ST’s leading-edge 70GHz Silicon-Germanium BiCMOS technology, achieves excellent Radio Frequency (RF) performance at the GPS frequency of 1.575GHz, in terms of power gain (17dB) and noise figure (1.4dB) with a current consumption of 8.5mA. The device is unconditionally stable and its standby current consumption is as low as 10nA. All these features are steady over the operating environment temperature range of -40ºC to +85ºC.

Housed in ultra-miniature SOT666 plastic package (1.65 x 1.2 x 0.57mm), the SMA661AS is priced at US $ 0.28 in quantities of one million units.

About STMicroelectronics
STMicroelectronics is a global leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today’s convergence markets. The Company’s shares are traded on the New York Stock Exchange, on Euronext Paris and on the Milan Stock Exchange. In 2005, the Company’s net revenues were $8.88 billion and net earnings were $266 million. Further information on ST can be found at
Information last updated Jan 2006


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