Stripline microwave module having means for contactless coupling between signal lines on different planar levels

A stripline microwave module comprising:

• at least one first conductive line situated in a first plane;
• a coupling opening situated in a second plane;
• at least one second conductive line situated in a third plane, said first, said second and said third planes being spaced from and parallel to each other;
• said coupling opening enabling microwave contactless coupling between said at least one first line and said at at least one second line;
• said at least one first line and said at least one second line being DC isolated from one another;
• said module further comprising a set of two cavities, said two cavities being of circular cylindrical geometry and being defined by electrically conducting right cylindrical surfaces;
• said two right cylindrical surfaces being respectively disposed interiorly within two blocks of electrically conducting material;
• said circular right cylindrical surfaces having dimensions of internal diameter and height, said two cavities being separated from each other by a flat electrically conducting part situated in said second plane;
• said flat conducting part having a circular geometry and corresponding dimensions of diameter and at least a partial circumference;
• and said coupling opening being provided between said two cavities by having said diameter of said flat conducting part less than said internal diameter of said circular cylindrical cavities.

A stripline microwave module comprising:

• two blocks of electrically conducting material;
• two cavities of circular cylindrical geometry defined by electrically conductive right angle cylindrical surfaces within respective blocks, having dimensions of internal diameter and height, said cavities facing each other and being separated by a plurality of insulative spacer devices of cylindrical form and forming a stacked array within said two cavities, at least a first conductive line, a second conductive line and a third conductive line separated from each other by respective ones of said insulative spacer devices of said stack and being situated respectively in first, third and fifth planes, a pair of coupling openings situated in a second plane and a fourth plane, all of said planes being parallel and spaced from each other, said coupling openings being situated in said second and fourth planes, and interposed between said first and third planes and said third and fifth planes respectively, said coupling openings enabling microwave contactless coupling between said second line and said third line, said insulative spacer devices maintaining said first, second and third lines DC isolated from one another, and first and second flat electrically conducting parts situated in said second plane and said fourth plane respectively, and said flat conducting parts having a circular geometry and corresponding dimensions of diameter and circumference, said flat conducting parts being positioned within respective cavities of said two conductive blocks and said coupling openings being defined by having the diameter of said flat conducting parts less than said internal diameter of said circular cylindrical cavities.