INTEGRATED FREQUENCY SELECTABLE RESONANT COUPLING NETWORK AND METHOD THEREOF

摘要

An integrated coupling network includes an integrated coupling transformer (117) having a secondary winding (118) for coupling to a load (107) and a primary winding (116) for coupling to a source; a first integrated capacitive circuit (119) controllably coupled across one of the primary and secondary windings and when so coupled operable to resonate with the integrated coupling transformer at a frequency in a first frequency band; and a second integrated capacitive circuit coupled across a second one of the primary and the secondary windings that is operable to resonate with the integrated coupling transformer at a frequency in a second frequency band. The method includes coupling an input signal within alternatively a first and a second frequency band, and controlling an integrated switched capacitor network to provide a coupling network that is alternatively and respectively resonant at a first and second frequency within the first and second frequency bands thus selectively providing an output signal.