Patent ID: 7221225
Filing Date: 2007-05-22
Classification: H03F

Abstract:
1. A power amplifier module for amplifying radio frequency signals, comprising: a) one or more radio frequency power amplifiers each including one or more semiconductor transistors, adapted to receive an input radio frequency signal and a processed power-sensing control signal, and to output an amplified radio frequency signal; b) one or more power-sensing circuits each coupled to said one or more radio frequency power amplifiers and adapted to receive each amplified radio frequency c) a substrate wherein each side of the substrate is approximately 4 millimeters, wherein the substrate comprises a thickness of approximately 1 millimeter and wherein the substrate includes a plurality of pads positioned around the perimeter of the substrate, each pad having a pitch of about 0.65 millimeter, a width of about 0.23 millimeter, and a length of about 0.4 millimeter.