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Miniature LNA simplifies mobile app design

Posted: 12 May 2009 ?? ?Print Version ?Bookmark and Share

Keywords:LNA? wireless? mobile communications?

MGA-21108 LNA

Avago Technologies has released the miniature MGA-21108 LNA monolithic microwave IC suitable for use in a wide range of wireless mobile communications applications. The MGA-21108, which measures 2.5mm x 2.5mm x 0.55mm in an 8-pin STSLP package, is a fully integrated GaAs LNA for use in the 1.5GHz to 8GHz band.

Operating at supply voltages ranging from 1.4V to 3.3V, the MGA-21108 is well-suited for use in low power or battery-operated applications and targets designers of mobile applications such GPS, Wi-Fi, WiMAX, and UWB.

The MGA-21108 offers a very low noise figure and high linearity performance which helps to significantly improve the sensitivity and dynamic range of the mobile receivers. Additionally, the fully matched LNA module will enable designers of wireless handsets and other hand-held communications devices to simplify their designs and help reduce their design time to market. Overall, this new LNA from Avago will allow designers to develop smaller or more compact wireless mobile communications devices.

Broadband performance of Avago's MGA-21108 is achieved with only one external input matching component, and the power supply chokes and coupling capacitors are integrated into the device. Additionally, the MGA-21108 includes a CMOS-compatible shutdown pin that can also be used as a variable gain bias pin.

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