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LNA provides high gain for GPS, Galileo apps

Posted: 29 Oct 2007 ?? ?Print Version ?Bookmark and Share

Keywords:low-noise amplifier? GPS? SiGe? BiCMOS?

Maxim Integrated Products has introduced the MAX2659 high-gain LNA for GPS, Galileo and GLONASS applications.

Designed using Maxim's advanced, low-power SiGe BiCMOS process, this device achieves a very high 20.5dB gain and an ultralow-noise figure of 0.8dB while maximizing the input-referred 1dB compression point and third-order intercept point at -12dBm and -2dBm, respectively.

Consequently, having the industry's highest gain and lowest noise-figure among SiGe BiCMOS LNAs, the MAX2659 is well suited for low-cost consumer applications including automotive navigation, asset tracking, cellular handsets, portable navigation devices, digital cameras, laptops and ultramobile personal computers (UMPCs).

The MAX2659 operates from 1.6-3.3V single supply and consumes only 4mA. To further maximize battery life, it reduces the supply current to less than 1?A in shutdown mode. Available in a tiny, 1.5mm x 1mm x 0.75mm, leadless, 6-pin microDFN package, the MAX2659 is fully specified over the -40C to 85C temperature range. Prices start at 70 cents for 1,000-unit pieces.

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