COAXIAL CONNECTOR AND CONNECTION STRUCTURE BETWEEN COAXIAL CONNECTOR AND COPLANAR WAVEGUIDE

摘要

PROBLEM TO BE SOLVED: To reduce discontinuous gaps of a propagation mode on a connection surface between a coaxial connector and a planar waveguide, especially a coplanar waveguide with a rear ground.;SOLUTION: An inner conductor distal end portion 121A whose cross-sectional shape is different from that of an inner conductor 111 is formed on a distal end portion of the inner conductor 111 in a coaxial line part 110 to gradually change mode conversion between the coaxial line part 110 and the coplanar waveguide 200 with the rear ground at the inner conductor distal end portion 121A. Further, inner dielectric layers 113, 122 are formed so that characteristic impedances are made identical in an outer conductor 122 and the inner conductor distal end portion 121A of a propagation mode conversion part 120, a center conductor 203 and a surface ground 202 of the coplanar waveguide 200 with the rear ground, and an outer conductor 112 and the inner conductor 111 of the coaxial line part 110 to achieve impedance matching between the coaxial connector 100 and the coplanar waveguide 200 with the rear ground.;COPYRIGHT: (C)2010,JPO&INPIT