Redundant Amplifier Housing for Seamless RF Failover
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Solution Overview
Problem
High-frequency signal processing systems, such as those used in communication satellites, face challenges in maintaining continuous operation when individual components fail, as they often rely on redundant components that may not be sufficient to handle the full load, leading to potential signal degradation or loss.
Innovation Solution
An amplifier arrangement with internal redundancy, featuring a redundancy switching mechanism that selectively routes input signals to redundant converters and amplifiers, ensuring continuous operation by dividing input power and using semiconductor amplifiers, and output switches that maintain transparency to connected systems, allowing seamless switchover in case of failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If redundant amplifiers are used to ensure continuous operation, then system reliability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple amplifiers into a single integrated amplifier unit with internal redundancy mechanisms. The amplifier unit contains multiple amplifier elements that can be selectively activated, merging the functions of multiple separate redundant amplifiers into one consolidated device, thereby reducing overall system complexity while maintaining reliability
Solution Approach 2:
The amplifier unit is designed to perform multiple functions: it can operate with all amplifier elements active for full power output, or switch to using only subset of elements when failures occur. The single unit universally handles both nominal operation and failure recovery scenarios, eliminating the need for separate dedicated redundant amplifier systems
2Reliability
If multiple electronic assemblies are used for redundancy, then security against failures is improved, but the housing space required increases
Solution Approach 1:
The amplifier elements are nested within a single amplifier unit housing. The first, second, and third amplifier elements are contained within the same physical enclosure, with each element able to be independently activated or deactivated. This nesting approach provides redundancy while minimizing the external housing space required compared to separate redundant amplifier units
3Reliability
If redundant component parts are kept available, then reliability is improved, but device complexity increases
Solution Approach 1:
The amplifier unit incorporates automatic failure detection and self-reconfiguration capabilities. When an amplifier element fails, the control mechanism automatically detects the failure and reconfigures the unit to operate with the remaining functional elements, eliminating the need for complex external monitoring and switching systems
Data Source
AI summary
An amplifier arrangement has a plurality of function strings, which are required for nominal operation. In addition, the amplifier arrangement has a redundancy circuit and a redundant function string including a redundant converter and a redundant amplifier. If a function string is faulty, the redundancy circuit supplies the input signals of the faulty function string to the redundant function string. In addition, a high-frequency system with an inner housing and an outer housing is described, wherein an air gap separates the inner housing and the outer housing from one another so that high-frequency signals can be transmitted via the air gap between the inner housing and the outer housing.