Patent ID: 7902921

Claim:
A composite power amplifying system for amplifying a signal according to Linear Amplification using Nonlinear Components (LINC) or Chireix outphasing techniques, comprising: two balanced power amplifiers, each having two outputs, wherein a first output of the first power amplifier is connected to a first transmission line and the first output of the second power amplifier is connected to a third transmission line, and a second output of the first power amplifier is connected to a second transmission line and the second output of the second power amplifier is connected to a fourth transmission line, wherein the first and the third transmission lines are connected to a first connection point and the second and fourth transmission lines are connected to a second connection point, said first connection point is connected to a first input of a balun arrangement and the second connection point is connected to a second input of the balun arrangement, wherein one of the outputs of the balun arrangement is connected to an output load.