Switchable RF Terminal Layout for Smaller Duplexer Components
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Solution Overview
Problem
Existing electronic devices with surface acoustic wave duplexers require a ground terminal between hot terminals to prevent interference, leading to increased component size.
Innovation Solution
Incorporating a switch that electrically connects input/output terminals between circuits, allowing one terminal to function as a hot terminal and the other as a ground terminal, eliminating the need for a dedicated ground terminal between them.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a ground terminal is provided between two hot terminals to suppress mutual interference, then interference between circuits is reduced, but the electronic component increases in size
Solution Approach 1:
The patent merges the functions of hot terminals and ground terminals by allowing input/output terminals to be dynamically reassigned. The switch enables any input/output terminal to function as either a hot terminal or a ground terminal depending on operational mode, eliminating the need for dedicated ground terminals between hot terminals and reducing component size.
Solution Approach 2:
The patent implements dynamic terminal assignment where the function of each input/output terminal (hot terminal or ground terminal) is not fixed but can be changed based on operational requirements. The switch allows the system to dynamically reconfigure which terminals serve which function, enabling flexible interference management without permanent structural separation.
2Reliability
If ground terminals are placed between hot terminals to ensure high isolation, then circuit isolation is improved, but the device complexity increases
Solution Approach 1:
The patent makes each input/output terminal universal, capable of serving multiple functions (hot terminal or ground terminal) depending on the operational mode. This multi-functionality reduces the need for dedicated ground terminals and simplifies the overall terminal configuration while maintaining isolation requirements through dynamic reassignment.
Solution Approach 2:
The system uses its own input/output terminals to provide both hot and ground functions rather than requiring separate dedicated ground terminals. The switch enables the terminals to self-configure their roles based on operational needs, eliminating the need for additional isolation structures.
Data Source
AI summary
An electronic component includes circuits that function independently of one another, and a switch electrically connected to the circuits. The electronic component includes a base body and two or more input/output terminals. The base body includes a main surface. The two or more input/output terminals are provided to the main surface of the base body, and include two first input/output terminals adjacent to each other. The switch changes one of the two first input/output terminals adjacent to each other to a hot terminal and changes the other to a ground terminal.