On the right hand side we have a generic transceiver diagram. This diagram shows what functions in this diagram we have products for. On the left hand side is a table that list several functions along with parts that can be used. The first column shows all parts, primarily MMIC, that can be used for LNA functions. Many of these devices such as BGA2001 and BGA2003 are meant for low voltage, handheld type applications. In column 4 is the BGA2022, which as mixer/down coverter based on Gilbert Cell concept.