Hybrid Transformer Frequency Matching Termination
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Solution Overview
Problem
Conventional wireless communication systems require separate duplexers for each radio frequency band, leading to increased cost and size due to design constraints, and hybrid transformers struggle to provide adequate isolation between transmitter and receiver across multiple frequencies.
Innovation Solution
A wireless device with a hybrid transformer and a frequency matching termination port that includes multiple resistors, inductors, and capacitors, controlled by a frequency impedance adjusting module to dynamically match antenna impedance at multiple frequencies, enabling impedance matching for both transmit and receive signals across a range of frequencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate duplexers are used for each radio frequency band, then isolation between transmitter and receiver is improved, but device size and cost increase
Solution Approach 1:
The patent combines multiple frequency band handling into a single hybrid transformer structure with a frequency matching termination port. Instead of using separate duplexers for each RF band, the invention integrates multiple frequency operations into one unified component that provides isolation across multiple bands simultaneously, thereby reducing overall device size while maintaining transmitter-receiver isolation.
Solution Approach 2:
The hybrid transformer with frequency matching termination port is designed to handle multiple radio frequency bands within a single component. The termination port can dynamically match impedance across different frequencies, enabling the same structure to serve multiple frequency bands that would traditionally require separate dedicated duplexers, thus achieving multi-functionality and size reduction.
2Reliability
If separate duplexers are used for each radio frequency band, then frequency-specific isolation is improved, but manufacturing cost increases
Solution Approach 1:
The invention merges multiple frequency band isolation functions into a single hybrid transformer structure. By consolidating what would traditionally require multiple separate duper components into one integrated unit, the manufacturing cost is reduced due to fewer discrete parts, simplified assembly processes, and reduced Bill of Materials (BOM) complexity.
Solution Approach 2:
The frequency matching termination port employs variable impedance elements that can be adjusted to match different frequency bands. This parameter adjustability allows a single component structure to adapt to multiple frequency requirements without requiring separate optimized designs for each band, thereby reducing manufacturing complexity and cost while maintaining frequency-specific isolation performance.
3Device complexity
If hybrid transformer is used with fixed termination, then device complexity is reduced, but isolation performance degrades across multiple frequencies
Solution Approach 1:
The termination port incorporates dynamic impedance matching capability through variable resistors, inductors, and capacitors that can be adjusted based on the operating frequency. This dynamic adjustment allows the termination to adapt to different frequency bands, maintaining optimal isolation performance across multiple frequencies without requiring completely separate fixed termination structures for each band.
Solution Approach 2:
The invention changes the impedance parameters of the termination port dynamically to match the antenna impedance at different frequencies. By adjusting the electrical parameters (resistance, inductance, capacitance) of the termination components, the system maintains effective isolation across multiple frequency bands while using a single unified termination structure rather than multiple fixed terminations.
4Adaptability or versatility
If frequency matching termination port with multiple components is used, then impedance matching across multiple frequencies is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple impedance matching functions into a single integrated frequency matching termination port. Instead of having separate matching networks for each frequency band, the invention combines variable resistive, inductive, and capacitive elements into one unified structure that can handle multiple frequency bands, thereby improving adaptability while controlling overall structural complexity through integration.
Solution Approach 2:
The frequency matching termination port is designed as a universal component that can provide impedance matching across multiple frequency bands. By making the termination port multi-functional rather than frequency-specific, the invention achieves broad impedance matching capability without proportionally increasing complexity, as the same structural framework serves multiple frequency purposes.
Data Source
AI summary
A wireless device is described. The wireless device includes an antenna. The wireless device also includes a hybrid transformer. The wireless device further includes a frequency matching termination port. The frequency matching termination port provides impedance matching with the antenna at multiple frequencies. The frequency matching termination port may include multiple resistors, inductors and capacitors that can be switched in/out.