an apparatus and method for providing adaptive control of the output of a radio frequency coupler . a plurality of input signals is provided to a multi - prong divider / combiner , the divider / combiner having a first and a second input terminals communicating a first and a second input signals with a first and a second prong of the divider / combiner , the divider / combiner dividing / combining said signals into at least one output signal . a first auxiliary signal is provided to a receiving terminal of a first transmission line , the first transmission line electromagnetically manipulating signal transmission in the first prong such that a first manipulated signal is substantially different in magnitude than the first input signal and dividing / combining the manipulated signal and the second input signal to provide a controlled output signal .