Patent ID: 6294965
Filing Date: 2001-09-25
Classification: H01P

Abstract:
A surface mount balun comprising:a) a first layer of dielectric material;b) a first ground plane formed on a first surface of said first layer;c) a second layer of dielectric material having a first surface and a second surface;d) a third layer of dielectric material having a second ground plane formed thereon;e) a first stripline segment having a first end connected to a first port and a second end connected to a second port, said first stripline segment formed on said first surface of said second layer of dielectric material;f) a second stripline segment having a third and a fourth end, and a third stripline segment having a fifth and a sixth end, both of said second and third stripline segments formed on said second surface of said second layer of dielectric material;g) wherein said first stripline segment has a first end connected to a first port, said first port disposed on an edge of the surface mount balun, and wherein said first stripline segment has a second end connected to a second port, said second port disposed on the first edge of the surface mount balun;h) wherein said fourth end is connected to a third port, said third port disposed on the edge of the surface mount balun; andi) wherein said third end, fourth end and fifth end are each electrically connected to at least one of said firsts and second ground planes.