An apparatus comprising: means for providing a three port circuit having a first port coupled to second and third ports; and means for matching configured to couple the second and third ports to ground; the means for matching comprising: a first means for matching coupled between the second port and a first node; a second means for matching coupled between the first node and the third port; and a third means for matching coupled between ground and the first node; the apparatus further comprising: a first transmission line as a means for coupling between the first and second ports; and a second transmission line as a means for coupling between first and third ports; the first transmission line, the second transmission line, the first means for matching, the second means for matching, and the third means for matching configured to provide a combined impedance value seen at the first port that is matched to a selected characteristic impedance value; wherein the apparatus forms a bidirectional power combiner/divider and is characterized in that the first means for matching, the second means for matching, and the third means for matching are configured to adjust sizes of the first and second transmission lines. means for providing a three port circuit having a first port coupled to second and third ports; and means for matching configured to couple the second and third ports to ground; the means for matching comprising: a first means for matching coupled between the second port and a first node; a second means for matching coupled between the first node and the third port; and a third means for matching coupled between ground and the first node; a first means for matching coupled between the second port and a first node; a second means for matching coupled between the first node and the third port; and a third means for matching coupled between ground and the first node; the apparatus further comprising: a first transmission line as a means for coupling between the first and second ports; and a second transmission line as a means for coupling between first and third ports; the first transmission line, the second transmission line, the first means for matching, the second means for matching, and the third means for matching configured to provide a combined impedance value seen at the first port that is matched to a selected characteristic impedance value; wherein the apparatus forms a bidirectional power combiner/divider and is characterized in that the first means for matching, the second means for matching, and the third means for matching are configured to adjust sizes of the first and second transmission lines. a first transmission line as a means for coupling between the first and second ports; and a second transmission line as a means for coupling between first and third ports; the first transmission line, the second transmission line, the first means for matching, the second means for matching, and the third means for matching configured to provide a combined impedance value seen at the first port that is matched to a selected characteristic impedance value; wherein the apparatus forms a bidirectional power combiner/divider and is characterized in that the first means for matching, the second means for matching, and the third means for matching are configured to adjust sizes of the first and second transmission lines.