Patent ID: 8125276

Claim:
A power amplifier system, comprising: a plurality of driver amplifiers, wherein each driver amplifier includes at least one respective input port and at least one respective output port, wherein each driver amplifier includes a respective positive output port and a respective negative output port; a plurality of power amplifiers, wherein each power amplifier includes at least one respective input port and at least one respective output port, wherein each power amplifier includes a respective positive input port and a respective negative input port; and a shared inductor that provides common interstage matching between the respective output ports of the plurality of driver amplifiers and the respective input ports of the plurality of power amplifiers, wherein the shared inductor includes a first port and a second port, wherein the first port of the shared inductor is connected to the positive output ports of the driver amplifiers and the positive input ports of the power amplifiers, wherein the second port of the shared inductor is connected to the negative output ports of the driver amplifiers and the negative input ports of the power amplifiers.