Multiple Way Waveguide Power Module with Reactive Elements
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing waveguide power dividers and combiners are limited by their power handling capacity and bandwidth, making them inadequate for applications requiring higher power amplification and broader frequency ranges.
Innovation Solution
A multiple way waveguide power module with a specific design that includes four RF signal ports, a fifth RF signal port perpendicular to them, and a sixth termination port for absorbing reflections, utilizing reactive elements like inductive and capacitive irises to enhance power handling and bandwidth without reducing the central cavity size, allowing for graceful degradation and increased power amplification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If existing waveguide power dividers and combiners are used, then signal division and combination can be achieved, but power handling capacity is limited
Solution Approach 1:
The waveguide structure is segmented into multiple identical units (four input ports divided into separate waveguide sections that recombine at the output). Each segment handles a portion of the total power, allowing the system to scale power handling capacity by adding more segments rather than increasing the size of a single waveguide section.
Solution Approach 2:
Multiple waveguide paths are nested within a compact modular housing structure. The individual waveguide sections are arranged in a nested configuration that maximizes space utilization while maintaining electrical isolation between paths, enabling higher power handling within a constrained physical envelope.
2Adaptability or versatility
If existing waveguide power dividers and combiners are used, then signal division and combination can be achieved, but bandwidth is limited
Solution Approach 1:
The waveguide power module is designed with universal coupling structures that can accommodate a broad frequency range. The identical waveguide sections and standardized coupling mechanisms allow the device to function effectively across multiple frequency bands, making it adaptable to different application requirements without requiring frequency-specific design modifications.
Solution Approach 2:
The coupling between waveguide sections utilizes adjustable reactive elements (inductive and capacitive irises) that can be tuned to optimize performance across different frequency ranges. By varying the parameters of these coupling elements, the device maintains effective power division and combination over a broad bandwidth.
3Power
If power amplifiers with higher gain are used to achieve 1000 Watts output, then required power output can be achieved, but signal power exceeds amplifier handling capability
Solution Approach 1:
The total output power requirement is segmented into multiple parallel amplifier channels. Instead of requiring a single amplifier to handle the full power load, the power module divides the amplification task across four independent amplifier paths, each handling a fraction of the total power. This segmentation allows the use of reliable, lower-power amplifiers to achieve high total output power.
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 power module effectively divides or combines RF signals with improved power handling and bandwidth, enabling higher power amplification and maintaining performance even with component failures, thus addressing the limitations of existing devices.
Implementation Method 1
There exists an electromagnetic coupling between the four RF signal ports and the fifth RF signal port in the sense that RF signal inputs through one or more of the four RF signal ports cause an RF signal output from the fifth RF signal port
Implementation Method 2
The sixth RF signal port is configured as a termination port, serving to absorb undesirable signal reflections that degrade the performance of the power module
Implementation Method 3
utilizing reactive elements like inductive and capacitive irises to enhance power handling and bandwidth
Implementation Method 4
utilizing reactive elements like inductive and capacitive irises to enhance power handling and bandwidth
Data Source
AI summary
Example power modules are described. In one implementation, a power module includes four RF signal ports that are electromagnetically coupled to a fifth RF signal port, which is substantially perpendicular to a geometric plane containing the four RF signal ports. Each of the four RF signal ports includes a waveguide and a reactive element extending into the waveguide. A termination port is electromagnetically coupled to the four RF signal ports and is substantially perpendicular to a geometric plane containing the four RF signal ports. The termination port is substantially coaxial with the fifth RF signal port.