Filtering Device Coupling Channel Segmentation
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Solution Overview
Problem
The complexity of mutual coupling between multi-mode components in filtering apparatuses makes it difficult to control and adjust coupling independently, leading to spurious couplings and increased difficulty in designing and manufacturing multi-mode filters.
Innovation Solution
Incorporating a coupling channel distinguishing component and enhancing components made of metal materials to divide the coupling channel into independent channels, allowing for independent adjustment of coupling schemes without affecting other channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multi-mode components are used to achieve miniaturization and high Q/V ratio, then filtering performance is improved, but coupling control becomes difficult and spurious couplings increase
Solution Approach 1:
The patent introduces a coupling channel distinguishing component that divides the coupling channel between first and second filtering components into multiple independent coupling channels. This segmentation allows each coupling channel to be controlled independently, resolving the issue of difficult coupling control while maintaining the filtering performance benefits of multi-mode components.
2Manufacturing precision
If coupling channel is divided into independent channels, then coupling adjustment precision is improved, but device structure becomes more complex
Solution Approach 1:
The coupling channel distinguishing component acts as an intermediary element that introduces controlled complexity to achieve independent coupling channel separation. This mediator enables precise coupling adjustment for each channel while managing the overall structural complexity in a systematic way.
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 enables independent adjustment of coupling degrees between filtering components, reducing the complexity of coupling adjustments and enhancing the precision of filtering apparatuses.
Implementation Method 1
a decoupling component, and each of the at least one enhancing component is configured to enhance a coupling degree of a preset coupling scheme of a corresponding independent coupling channel
Data Source
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Figure 4c
AI summary
This application discloses a filtering apparatus. The apparatus includes: a coupling channel distinguishing component, located between a first filtering component and a second filtering component, and dividing a coupling channel between the first filtering component and the second filtering component into a plurality of independent coupling channels, where the coupling channel distinguishing component includes a channel distinguishing component and at least one decoupling component, the channel distinguishing component is configured to divide the coupling channel into a plurality of independent channels, and the at least one decoupling component is configured to decouple the plurality of independent channels into the plurality of independent coupling channels; and at least one adjusting component, where each of the at least one adjusting component is configured to adjust a preset coupling scheme of a corresponding independent coupling channel, each of the at least one adjusting component is located in the corresponding independent coupling channel, an axis of the corresponding independent coupling channel is used as a first straight line, and each of the at least one adjusting component is located in a corresponding projection area.