USFF Staring Receiver Sequential Stacking Architecture
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Solution Overview
Problem
Conventional receiver systems face challenges in size, thermal management, electromagnetic interference, and versatility due to limitations in operating multiple frequency bands and efficient space utilization, which affects their performance and adaptability in various communication scenarios.
Innovation Solution
A receiver system architecture with a sequentially stacked configuration of RF front-end, downconverter, and RFSoC processor, utilizing risers for electrical, electromagnetic, and thermal coupling, along with heat sinks for efficient heat dissipation, enabling operation in multiple frequency bands and compact form factor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional receiver systems are designed to operate in multiple frequency bands, then versatility is improved, but device complexity increases
Solution Approach 1:
The receiver system is designed with universal components that can operate across multiple frequency bands. The RF front-end, downconverter, and processor are configured to handle different frequency ranges through reconfigurable settings, allowing a single device to perform multiple communication functions without requiring separate specialized hardware for each band.
Solution Approach 2:
The receiver system is divided into distinct functional modules: RF front-end, downconverter, and processor. Each module is independently designed and can be optimized for specific frequency ranges while maintaining compatibility with the overall multi-band architecture. This segmentation allows flexible configuration for different bands without redesigning the entire system.
2Volume of moving object
If receiver components are integrated within a compact form factor, then space utilization is improved, but thermal management becomes more difficult
Solution Approach 1:
The receiver components are arranged in a vertical stacked configuration rather than a horizontal layout. The RF front-end, downconverter, and processor are positioned at different vertical levels, allowing heat to dissipate in multiple directions and improving thermal management efficiency within the compact USFF form factor.
Solution Approach 2:
Different regions of the receiver system are designed with localized thermal management characteristics. High-power components such as the RF front-end are positioned with enhanced heat dissipation structures, while lower-power components have standard thermal paths. This localized approach optimizes heat management for each component's specific thermal requirements within the compact form factor.
3Volume of moving object
If receiver components are placed in close proximity to reduce size, then volume is reduced, but electromagnetic interference increases
Solution Approach 1:
Conductive risers are introduced as intermediary structures between the RF front-end, downconverter, and processor. These risers serve dual functions: providing electrical interconnections and acting as electromagnetic shields. The conductive material in the risers blocks electromagnetic fields from adjacent components, preventing interference while maintaining the compact vertical stacking arrangement.
4Area of stationary object
If sequential stacking of components is implemented, then space utilization is improved, but manufacturing complexity increases
Solution Approach 1:
The receiver system is segmented into standardized modular components (RF front-end module, downconverter module, processor module) that can be manufactured independently using standard PCB and assembly processes. Each module has defined interface standards for electrical and mechanical connections, simplifying the stacking and assembly process despite the three-dimensional configuration.
Solution Approach 2:
Standardized riser structures serve as intermediary components that facilitate the connection between stacked modules. These risers include pre-configured electrical interconnects and mechanical mounting features, allowing modules to be assembled in sequence without complex custom fabrication for each connection point.
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 solution provides improved performance, thermal management, and electromagnetic shielding while maintaining a compact form factor, enhancing adaptability and versatility in communication applications by supporting multiple frequency bands and communication standards.
Implementation Method 1
the one or more risers may be configured to provide electromagnetically shielding to the front-end assembly, the downconverter assembly, and the processor
Implementation Method 2
the one or more risers may be configured to thermally couple to the front-end assembly, the downconverter assembly, and the processor
Implementation Method 3
along with heat sinks for efficient heat dissipation
Data Source
AI summary
A small-scale receiver design architecture is disclosed. The receiver architecture may include an amplifier, reconfigurable filters, a downconverter assembly, a processor, and one or more risers. The one or more risers may include ball grid array (BGA) interconnects configured for electrical coupling between the front-end assembly, the downconverter assembly, and the processor. The one or more risers may be configured to provide electromagnetically shielding to the front-end assembly, the downconverter assembly, and the processor. The one or more risers may be configured to thermally couple to the front-end assembly, the downconverter assembly, and the processor. The receiver architecture may include a sequential stacking of the one or more risers, the front-end assembly, the downconverter assembly, and the processor.