World Band RF Power Amplifier Module Integration
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Solution Overview
Problem
Current wireless device designs supporting multiple frequencies and standards face challenges with increased cost, size, and complexity due to the need for separate RF power amplifiers for each band and standard, complicating miniaturization and radio transmission performance.
Innovation Solution
The introduction of a World Band RF Power Amplifier and RFFE Module that uses broadband amplifiers covering multiple bands (e.g., 698 MHz to 3.8 GHz) and standards (e.g., 2G, 3G, 4G) with integrated switches, filters, and duplexers, allowing for a single module to handle multiple frequency bands and standards, reducing overall size and complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate RF power amplifiers are used for each frequency band and standard, then each band can be optimized for its specific requirements, but the device cost, size, and complexity increase significantly
Solution Approach 1:
The patent implements a single broadband power amplifier capable of operating across multiple frequency bands (e.g., 698 MHz to 3.8 GHz) and supporting multiple wireless standards (2G, 3G, 4G). This universal amplifier replaces multiple separate amplifiers, reducing device complexity while maintaining the ability to serve different frequency requirements through integrated circuit design and broadband matching networks.
Solution Approach 2:
The patent combines multiple RF power amplifier functions into a single integrated module that handles multiple frequency bands and standards. By merging the amplification functions and sharing common components (power supply, control logic, packaging), the system reduces the total number of components while preserving the capability to support diverse communication requirements.
2Adaptability or versatility
If multiple separate amplifiers are used to support multiple standards, then each standard can be optimized, but the overall device size increases
Solution Approach 1:
The broadband power amplifier is designed with a wide operating frequency range (e.g., 698 MHz to 3.8 GHz) that encompasses multiple wireless standards (2G, 3G, 4G). This single universal amplifier replaces multiple standard-specific amplifiers, significantly reducing the volume required while maintaining full multi-standard adaptability through integrated circuit design.
Solution Approach 2:
The patent integrates multiple functional components (power amplifier, matching networks, control logic) into a single compact module or package. This nested integration allows multiple functions that would traditionally require separate components to be housed within a unified structure, minimizing the overall device footprint while preserving multi-standard support capabilities.
3Reliability
If separate amplifiers are used for each frequency band, then frequency-specific performance can be optimized, but the device cost increases
Solution Approach 1:
The patent consolidates multiple amplifier functions into a single integrated circuit or module, reducing the total component count and assembly requirements. This merging reduces manufacturing complexity and material costs while maintaining frequency-specific performance through integrated broadband design and matching networks that are optimized for multiple bands simultaneously.
Solution Approach 2:
The broadband power amplifier serves multiple frequency bands and wireless standards with a single device, eliminating the need to purchase, stock, and assemble multiple separate amplifiers. This universal approach reduces bill of materials costs and manufacturing complexity while maintaining the ability to deliver optimized performance across all supported frequencies through integrated circuit design.
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 wireless devices to efficiently support multiple frequency bands and standards in a compact form, reducing the number of required components and lowering costs while maintaining effective radio transmission performance.
Implementation Method 1
a first sensor biasing circuit connected to a first diode for sensing forward power and a second sensor biasing circuit connected to a second diode for sensing reflected power
Data Source
AI summary
The present disclosure relates to a World Band Radio Frequency Power Amplifier and a World Band Radio Frequency Front End Module. The World Band Power Amplifier can contain at least one broadband power amplifier connected to a switch which can direct an RF input signal to a plurality of transmission paths, each transmission path configured for a different frequency. A power amplifier module has a forward power (FP) sensor and a reflective power (RP) sensor. A Voltage Standing Wave Ratio (VSWR) Processing Control Circuit (VPCC) is configured to tune the matching antenna for optimal radio frequency operation and protect the power amplifier in conjunction with the power amplifier protection controller. The World Band RFFE Module is more integrated version of the World Band Power Amplifier that can contain broadband RF PA(s), switches, logic controls, filters, duplexers and other active and passive components. The module may also include a thermal protection system capable of effecting operation of the broadband power amplifier.