Patent ID: 6693499
Filing Date: 2004-02-17
Classification: H03H,H04B

Abstract:
A lumped element hybrid formed on a substrate, said hybrid comprising:four inductors symmetrically disposed in a rectangular area on the substrate, each inductor of the four inductors including an electrical winding having a first end and a second end, wherein a first inductor of the four inductors and a second inductor of the four inductors are positioned adjacent to each other at one side of the rectangular area and a third inductor of the four inductors and a fourth inductor of the four inductors are positioned adjacent to each other at an opposite side of the rectangular area so that a circuit area is defined between the pair of the first and second inductors and the pair of the third and fourth inductors in a central portion of the rectangular area; and a plurality of circuit elements including capacitors disposed on the substrate in the circuit area, wherein the four inductors and the capacitors are electrically coupled together to define the lumped element hybrid, and wherein the first end and the second end of the electrical winding of all of the four inductors are electrically coupled to the plurality of circuit elements in the circuit area, wherein the four inductors are the only inductors in the hybrid.