Patent ID: 6078227
Filing Date: 2000-06-20
Classification: H01P

Abstract:
A dual quadrature branchline in-phase power combiner and power splitter which operates in a system having a characteristic impedance, comprising:a first upper transmission line element of an impedance approximately equal to 1.414 multiplied by said characteristic impedance;a second upper transmission line element of an impedance approximately equal to 1.414 multiplied by said characteristic impedance;a second transverse transmission line element of an impedance substantially equal to said characteristic impedance, wherein a first end portion of said first upper transmission line element, a first end portion of said second upper transmission line element, and a first end portion of said second transverse transmission line element are coupled to a first signal port, a first terminating impedance substantially equal to said characteristic impedance is coupled to a second end portion of said first upper transmission line element and a second terminating impedance is coupled to a second end portion of said second upper transmission line element;a first transverse transmission line element of an impedance substantially equal to said characteristic impedance;a first lower transmission line element of an impedance approximately equal to 1.414 multiplied by said characteristic impedance, wherein a second end portion of said first transverse transmission line element and a first end portion of said first lower transmission line element are coupled to a second signal port, a second end portion of said first lower transmission line element is coupled to a second end portion of said second transverse transmission line element, a first end portion of said first transverse transmission line element is coupled to said second end portion of said first upper transmission line element;a second lower transmission line element of an impedance approximately equal to 1.414 multiplied by said characteristic impedance; anda third transverse transmission line element of an impedance substantially equal to said characteristic impedance, wherein a first end portion of said second lower transmission line element and a second end portion of said third transverse transmission line element are coupled to a third signal port, a second end portion of said second lower transmission line element is coupled to said second end portion of said second transverse transmission line element, a first end portion of said third transverse transmission line element is coupled to said second end portion of said second upper transmission line element.