Basestation LNAs achieve very low noise

LNAs are ideal for a wide range of cellular and WiMAX infrastructure applications, including picocell and femtocell basestations.

Avago Technologies has a new family of MMIC low noise amplifiers (LNAs) designed for cellular and WiMAX infrastructure applications.

The ultracompact MGA-12516, 13516 and 14516 basestation LNAs achieve very low noise figures and high gain performance at very low current consumption levels.

These LNAs are ideal for a wide range of cellular (GSM, CDMA, WCDMA, CMA2000 and TD-SCDMA) and WiMAX infrastructure applications, including picocell and femtocell basestations.

The MGA-12516, 13516 and 14516 LNAs are housed in miniature 4.0 x 4.0 x 0.85mm 16-pin quad-flat-nonlead (QFN) packages.

Avago's MGA-12516 is a matched-pair balanced LNA designed to operate between 800MHz to 3GHz.

At 4V and 50mA per LNA, the MGA-12516 delivers exceptional performance with a 0.62dB noise figure, 23.8dB gain, 33.5dBm OIP3 and 17.9dBm P1dB at 1.95GHz.

The MGA-13516 and MGA-14516 are two-stage LNAs with built-in active bias circuitry and the ability to adjust the supply current and gain through external matching without affecting the noise figure.

The MGA-13516 is ideal for 400MHz to 1.5GHz, whereas the MGA-14516 is designed for 1.4 to 2.7GHz frequencies.

At 5V, 155mA, Avago's MGA-13516 achieves an impressive 0.66dB noise figure, 31dB gain, 38dBm OIP3 and 24dBm P1dB at 900MHz.

The MGA-14516 delivers a 0.68dB noise figure, 33dB gain, 38dBm OPI3 and 24dBm P1dB at 1.95GHz.

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