Patent ID: 8546939
Filing Date: 2013-10-01
Classification: H01L,H04B

Abstract:
1. A radio frequency (RF) module including: a first semiconductor chip in which an amplifier circuit for amplifying an input RF signal and generating an output RF signal is formed, the amplifier circuit comprising a bipolar transistor having a base, an emitter, and a collector, the first semiconductor chip having an input pad for inputting the input RF signal, an output pad for outputting the output RF signal, and a first control pad electrically coupled to the amplifier circuit; a second semiconductor chip in which a control circuit controlling a base current of the bipolar transistor in the amplifier circuit is formed, the second semiconductor chip having a second control pad electrically coupled to the control circuit; a wiring board over which the first semiconductor chip and the second semiconductor chip are arranged adjacent to each other, the wiring board having a plurality of wirings; a control wire bonded to the first control pad of the first semiconductor chip and the second control pad of the second semiconductor chip, a control signal of the control circuit controlling the base current being transmitted via the control wire to the bipolar transistor; an input wire bonded to the input pad of the first semiconductor chip and coupled to one of the plurality of wirings of the wiring board; and an output wire bonded to the output pad of the first semiconductor chip and coupled to another one of the plurality of wirings of the wiring board, wherein the input wire overlaps with a first side of the first semiconductor chip in a plan view, wherein the output wire overlaps with a second side of the first semiconductor chip in a plan view, wherein the control wire directly connects the first control pad of the first semiconductor chip and the second control pad of the second semiconductor chip without the aid of a relay pad, and wherein the control wire overlaps with a third side of the first semiconductor chip in a plan view, the third side intersecting the first side and opposing the second side.