Coaxial Cable to Strip Line Connection via PCB Inductive Coupling

The patent replaces expensive traditional metal plates (brass, copper) with a cost-effective PCB-based structure that integrates the connection function. The PCB with metallized vias and ground planes provides the necessary electrical connection at a fraction of the cost of traditional metal plates, while maintaining acceptable PIM performance through proper design of the reference planes and via structures.

The invention uses a composite structure combining PCB substrate, metallized vias, and ground planes to create an integrated connection solution. This composite approach replaces homogeneous expensive metal plates with a multi-material construction that achieves the same function at lower cost through the synergistic combination of different materials (PCB laminate, conductive plating, via fillers).

The patent merges multiple functions into a single integrated PCB structure: the connection interface, reference planes, grounding, and signal routing are all combined in one component. This eliminates the need for separate metal plates, mounting hardware, and complex assembly steps, reducing both assembly time and potential sources of connection failure while maintaining reliability.

The PCB structure is designed to be self-grounding through its reference planes and via structures, eliminating the need for additional grounding components or complex grounding procedures. The metallized vias automatically provide both signal connection and reference plane continuity, reducing assembly complexity and time.