Patent ID: 7102445
Filing Date: 2006-09-05
Classification: H03F

Abstract:
1. A power amplifier module comprising: an amplifier for amplifying a transmit signal and outputting the amplified transmit signal to an antenna; a drive current input terminal to which a drive current for driving the amplifier is inputted; and a current divider circuit provided between the drive current input terminal and the amplifier, for dividing the drive current among a plurality of paths, wherein the current divider circuit includes: a plurality of switching elements provided in the paths, respectively, and switched between a conduction state and a blocking state; and a resistance element provided in at least one of the plurality of paths, and the power amplifier module further comprises: a detection section for detecting an electrical parameter in the resistance element; and a control section for switching the plurality of switching elements between a conduction state and a blocking state, based on the electrical parameter detected by the detection section.