RF Power Measurement Module Subrack Integration
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Solution Overview
Problem
High-frequency power monitoring in satellite ground stations requires multiple precise and costly HF wattmeters, which are not flexible for network integration or remote control, and existing RF power meters lack the ability to be combined into a subrack.
Innovation Solution
A compact, cost-effective RF power measurement module with a wide frequency range and dynamic range expansion, integrated with a subrack for flexible handling and network connectivity, using commercially available components and low-noise power supply, allowing for easy installation and replacement without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If commercially available RF wattmeters are used for high-frequency power monitoring, then measurement precision is improved, but cost increases significantly
Solution Approach 1:
The patent divides the RF measurement system into separate functional modules: RF input stage, signal processing unit, display device, and communication interface. Each module can be independently selected and optimized, allowing the use of cost-effective components while maintaining measurement precision through dedicated RF circuitry design
Solution Approach 2:
The patent implements dynamic range extension through gain control and attenuation stages, allowing the system to adapt to different power levels. This enables accurate measurement across a wide dynamic range using more economical components by adjusting measurement parameters rather than requiring expensive high-precision instruments for all ranges
2Measurement precision
If traditional RF wattmeters are deployed for continuous monitoring, then measurement accuracy is maintained, but device complexity and integration requirements increase
Solution Approach 1:
The patent designs a universal RF measurement module that can function both as a standalone handheld device and as an integrated component in a subrack system. The module includes all necessary functions (RF measurement, display, communication) in one package, eliminating the need for separate integration components and reducing overall system complexity
Solution Approach 2:
The patent combines multiple functions into a single integrated module: RF power measurement, signal processing, user interface (display and controls), and network communication capabilities are all merged into one unit. This consolidation simplifies deployment and reduces the number of separate devices needed in the monitoring system
3Ease of operation
If RF power meters are designed for standalone operation, then ease of operation is improved, but adaptability to network infrastructure decreases
Solution Approach 1:
The patent creates a dynamically adaptable RF measurement module that can operate in multiple modes: standalone handheld operation for field use, and networked operation when installed in a subrack. The module's communication interface and power supply can dynamically adapt to different operational contexts, providing both portability and network integration capability
4Reliability
If multiple RF power meters are deployed for continuous monitoring, then measurement coverage is improved, but operational costs and complexity increase
Solution Approach 1:
The patent enables multiple identical RF measurement modules to be combined in a subrack configuration, sharing common resources such as power supply and network communication infrastructure. This modular approach allows extended monitoring coverage through multiple measurement points while reducing overall system complexity and cost compared to deploying separate standalone instruments
Data Source
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AI summary
The present invention relates to an RF power measurement module comprising: - a high-frequency power measurement device with a microprocessor and at least one RF interface to an RF input stage, - an external power supply (6) for the measurement device, - a housing (1) comprising: - a display device (2), - a status indicator (12), - an operating device (3), - at least one RF input (4), - at least one communication interface (7), wherein the housing (1) has a first plug-in device (5) with a locking device and operating voltage supply. The present invention further relates to a mounting bracket for receiving the RF power measurement module.