Multiple frequency source system and method of operation

Phase offset signal a tunable multi-frequency source to adopt a treatment system, a first frequency source, a phase delay element, and a second operating frequency sources operating at the same time as the first frequency source. The first frequency source comprises an input stage and an output terminal for providing a first frequency signal source coupled to receive a reference input signal. The phase delay element comprises an input coupled to receive the output and the input reference signal, the phase delay element is a predefined phase delay to the input reference signal to generate the delayed input signal phase. The second frequency source comprises an input stage and an output terminal for providing a second frequency signal source coupled to receive the delayed input signal phase.Offset signal, the phase delay, a reference signal, a multi-frequency source, a tunable frequency source.