Antenna Module Layout for Low-Loss PCB Cable Connection
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Solution Overview
Problem
Signals of various bands, particularly ultra-high frequency bands, undergo significant attenuation during transmission and reception due to passing through multiple transmission lines and boards in electronic devices, deteriorating communication quality.
Innovation Solution
An antenna module that electrically connects a printed circuit board with an antenna module through a simplified structure, reducing signal attenuation and optimizing cable connections on one surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If signals pass through multiple transmission lines and boards to connect the printed circuit board and antenna module, then the electrical connection is achieved, but signal attenuation increases and communication quality deteriorates
Solution Approach 1:
The patent merges the transmission line and the antenna module into a single integrated structure. The antenna module is directly mounted on the printed circuit board, eliminating the need for separate transmission lines and intermediate boards. This integration reduces the number of connection interfaces and transmission paths, thereby minimizing signal attenuation and improving communication quality.
Solution Approach 2:
The patent extracts and eliminates the unnecessary intermediate transmission lines and boards from the signal path. By directly connecting the antenna module to the printed circuit board, the patent removes the harmful elements that cause signal loss, achieving a simplified and more efficient signal transmission path.
2Reliability
If multiple transmission lines and boards are used to connect the printed circuit board and antenna module, then the connection is established, but the device complexity increases
Solution Approach 1:
The patent combines multiple separate components (transmission lines, intermediate boards, and antenna module) into a single integrated assembly. The antenna module is directly mounted on the printed circuit board, creating a simplified connection structure that reduces device complexity while maintaining or improving connection reliability through fewer interfaces and connection points.
Data Source
Figure 1
Figure 2
Figure 3A~3C
AI summary
According to various embodiments of the present disclosure, an electronic device may comprise: a housing; a main circuit board which is disposed in the housing; an antenna module which is disposed in the housing and includes a first surface facing the outside of the electronic device and having a plurality of conductive patterns arranged thereat and a second surface facing a different direction from the first surface; a flexible printed circuit board at least a part of which is disposed at the second surface and which electrically connects the main circuit board and the antenna module to each other; and a cable which is connected to a seating surface formed by the flexible printed circuit board and is electrically connected to the antenna module.