Coaxial Connector Biasing for RF Leakage
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Solution Overview
Problem
Coaxial cable connectors without additional continuity members suffer from RF leakage and poor signal quality due to the lack of continuous contact, which is essential for maintaining a stable ground connection and preventing radio frequency leakage.
Innovation Solution
A port design with an outer housing and a biasing member that biases the post of the coaxial cable connector into contact with a coupling member, ensuring continuous electrical contact and grounding through the use of a collar and insulator bodies, which exert a biasing force to maintain physical and electrical contact between the post and the coupling member.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If no additional continuity member is used in the connector, then the device complexity is reduced, but electrical continuity and RF shielding are compromised
Solution Approach 1:
The patent combines the biasing function and electrical continuity function into a single integrated structure. The biasing member is formed as one piece with the collar, eliminating the need for separate continuity members while maintaining both mechanical biasing and electrical grounding functions through the integrated conductive structure.
Solution Approach 2:
The collar structure serves multiple functions simultaneously: it provides mechanical biasing through the integrated biasing member, maintains electrical continuity through its conductive path, and provides structural support for the connector assembly. This multi-functional design eliminates the need for additional specialized components.
2Reliability
If a biasing member is added to ensure continuous contact, then electrical continuity is improved, but the device complexity increases
Solution Approach 1:
The biasing force generation and electrical continuity are merged into a single integrated biasing member structure. The biasing member is formed as one piece with the collar, eliminating the need for separate continuity members while maintaining both mechanical biasing and electrical grounding functions through the integrated conductive structure.
3Object-affected harmful factors
If additional continuity members are installed, then RF leakage is reduced, but manufacturing complexity increases
Solution Approach 1:
The manufacturing process is simplified by forming the biasing member and collar as a single integrated component. This eliminates the need for separate assembly steps for installing continuity members, reducing manufacturing complexity while maintaining effective RF shielding through the integrated conductive structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution effectively extends electrical continuity through the coaxial cable connector, improving signal quality and RF shielding by ensuring continuous contact and grounding, even in connectors without additional continuity members.
Implementation Method 1
a biasing member disposed within the outer housing to bias a post of the coaxial cable connector into contact with a coupling member of the coaxial cable connector
Data Source
AI summary
A coaxial cable connector includes a connector body having a longitudinal axis passing through first and second opposed body ends, a connector center conductor for transporting a signal through the connector, and a coil spring that is coiled about the longitudinal axis. The second body end is for engaging a male coaxial cable connector, and the coil spring urges an electromagnetic shield to protrude from the second body end.