Waveguide Switch Rotor Design for RF Loss Reduction
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Solution Overview
Problem
Existing waveguide electromechanical relay switches face challenges in compact design and efficient fault-case recovery, leading to potential RF signal loss and increased complexity in switch matrices.
Innovation Solution
A 4-pol waveguide electromechanical relay switch design with a rotor having an axis of rotation parallel to the base plane, utilizing electro-magnet actuators and permanent magnets for actuation, allowing for compact footprint and efficient fault-case recovery by enabling crossing of transmission paths and reducing RF loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a traditional switch matrix is used for routing RF signals, then signal routing functionality is provided, but the footprint area and transmission line length increase leading to RF loss
Solution Approach 1:
The patent transitions from a traditional vertical-axis rotation to a horizontal-axis rotation parallel to the base plane. This dimensional change allows the rotor to be positioned closer to the base, reducing the overall footprint area and transmission line length, thereby minimizing RF loss while maintaining signal routing functionality.
Solution Approach 2:
The patent integrates multiple transmission paths within a single rotor structure, allowing multiple signals to be routed simultaneously. This merging of functions reduces the need for separate switch components, decreasing the overall footprint area and reducing cumulative RF loss across multiple transmission lines.
2Reliability
If redundant units are included for fault recovery, then system reliability improves, but the switch matrix complexity and footprint increase
Solution Approach 1:
The rotor is designed with universal transmission paths that can route signals through multiple configurations. The same rotor structure serves both normal operation and fault recovery functions, eliminating the need for separate redundant switch matrices and reducing overall system complexity while maintaining reliability.
Solution Approach 2:
The patent implements a fault recovery mechanism where failed transmission paths are automatically bypassed by rerouting signals through alternative paths on the same rotor. This allows the system to discard failed components and recover functionality using existing resources, avoiding the need for additional redundant equipment.
3Reliability
If a 4-pol switch design is implemented, then fault-case recovery capability is enhanced, but the rotor design complexity increases
Solution Approach 1:
The rotor is segmented into distinct transmission path sections, each capable of independent routing. This segmentation allows for simplified design of individual path segments while achieving complex overall functionality, making the 4-pol switch easier to manufacture and assemble despite its enhanced capabilities.
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
The compact design reduces RF loss and enhances fault-case recovery capabilities, providing increased functionality and reliability in routing RF signals with a smaller footprint compared to traditional switch matrices.
Implementation Method 1
electro-magnet actuator(s) in combination with permanent magnets are used to actuate a rotor
Implementation Method 2
the permanent magnets latch the rotor
Data Source
AI summary
The present disclosure refers to a waveguide electromechanical relay switch having a rotor with transmission paths and an axis of rotation parallel to the base plane combined with an actuator adapted to the configuration. A 4-pol switch design enables compensation of fault cases in a relatively shortened length of transmission line, reducing potential RF loss. In one embodiment, a 4-pol rotor includes an offset transmission path that enables crossing of another path on the same rotor, providing increased functionality and fault-case recovery.