This document introduces the features and characteristics of the BGA622 Silicon-Germanium Universal Low Noise Amplifier MMIC in 1800-2500 MHz receiver applications, including 70 GHz ft SiGe technology, 50 ohm matched output, pre-matched input, integrated output DC blocking capacitor, integrated RF choke on internal bias network, low current consumption, shutdown or sleep mode, unconditionally stable, low external component count, exceptional noise figure, etc.