Electrical Connector Impedance Matching via Insulating Plug
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electrical connectors fail to maintain matching impedance for high-frequency signal transmission due to a low dielectric coefficient environment and large inductive resistance, leading to instability in signal transmission.
Innovation Solution
The electrical connector incorporates an insulating plug member with a first portion closer to the mating surface than a second portion, enhancing the dielectric coefficient around signal terminals and adjusting impedance to match requirements for high-frequency signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the accommodating slots are made larger for ease of terminal assembly, then the assembly convenience is improved, but the dielectric coefficient of the surrounding environment of each signal terminal becomes small, resulting in large inductive resistance and poor impedance matching for high-frequency signal transmission
Solution Approach 1:
The patent introduces an insulating plug member as an intermediary element that fills the accommodating slots. This plug member has a higher dielectric coefficient than air, thereby improving the impedance matching and reducing inductive resistance of the signal terminals while not interfering with the assembly process of the terminals into the slots.
2Device complexity
If the signal terminal is designed as a thin and long structure, then the structural form is simplified, but the inductive resistance becomes large and the capacitive resistance becomes small, failing to satisfy the matching impedance required for high-frequency signal transmission
Solution Approach 1:
The patent changes the dielectric parameter of the surrounding environment by filling the accommodating slots with an insulating plug member. This parameter change compensates for the unfavorable inductive and capacitive characteristics of the thin and long terminal structure, achieving proper impedance matching for high-frequency signal transmission.
3Device complexity
If air fills the space surrounding each terminal, then the structure remains simple and lightweight, but the dielectric coefficient is small, leading to large inductive resistance and poor signal transmission performance at high frequencies
Solution Approach 1:
The patent changes the dielectric parameter of the surrounding environment by replacing air with an insulating plug member that has a higher dielectric coefficient. This parameter change reduces inductive resistance and improves impedance matching, enabling reliable high-frequency signal transmission while maintaining structural simplicity.
Data Source
AI summary
An electrical connector includes an insulating body having a mating surface. An insertion slot is concavely provided on the mating surface. Two side walls are located at two sides of the insertion slot. A slot bottom surface is formed on a concave direction of the insertion slot. One of the side walls is provided with aground accommodating slot and a signal accommodating slot. A signal terminal and a ground terminal are provided on the one of the side walls. The signal terminal is accommodated in the signal accommodating slot. The ground terminal is accommodated in the ground accommodating slot. A side of the insulating plug member has a first portion corresponding to the signal accommodating slot and a second portion corresponding to the ground accommodating slot. The first portion is accommodated in the signal accommodating slot and is provided closer to the mating surface than the slot bottom surface.