Waveguide-Coaxial Connector With Integrated Impedance Transformation

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Solution Overview

Problem

Connecting waveguides to coaxial components is cumbersome, costly, and often results in transmission loss, limiting design flexibility and increasing inventory management complexity.

Innovation Solution

A waveguide to coaxial connector with a body featuring a first interface for coupling to a waveguide and a second interface for coupling to a coaxial conductor pin, including a cavity with an impedance transformation structure to reduce signal loss and minimize physical and financial costs, while allowing for increased design flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional waveguide to coaxial connections are made using separate components and custom manufacturing, then connection reliability is achieved, but device complexity and manufacturing cost increase

Engineering Contradiction:
Improveconnection reliabilityVSAvoidconnection complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the waveguide interface and coaxial interface into a single integrated connector body. The connector includes a first interface for coupling to a waveguide and a second interface for coupling to a coaxial conductor pin, with an impedance transformation structure integrated within the same housing. This consolidation eliminates the need for separate adapters and custom manufacturing, reducing device complexity while maintaining connection reliability through a unified design.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connector serves multiple functions within a single device: it provides waveguide interface, coaxial interface, impedance transformation, and signal transmission. This multi-functionality eliminates the need for multiple separate components and custom manufacturing processes, reducing both device complexity and manufacturing cost while ensuring reliable connections.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If traditional waveguide to coaxial connections are made using multiple components, then connection reliability is achieved, but manufacturing cost increases

Engineering Contradiction:
Improveconnection reliabilityVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent combines multiple functions (waveguide interface, coaxial interface, impedance transformation) into a single manufactured component. This integration allows for standardized production processes and reduces the need for custom manufacturing of multiple separate parts, thereby lowering manufacturing cost while maintaining connection reliability through a unified design.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The universal connector design that performs multiple functions (waveguide coupling, coaxial coupling, impedance transformation) in a single component enables standardized manufacturing processes. This multi-functionality eliminates the need for custom manufacturing of separate adapters and assemblies, reducing manufacturing cost while ensuring reliable connections through consistent production quality.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If traditional waveguide to coaxial connections are made using separate components, then adaptability is achieved, but device complexity and inventory management increase

Engineering Contradiction:
Improvedesign flexibilityVSAvoidinventory management complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The universal connector provides adaptability by integrating waveguide interface, coaxial interface, and impedance transformation in a single component. This design flexibility allows the same connector to be used in various applications requiring waveguide-to-coaxial transitions. The standardized design reduces inventory management complexity by eliminating the need to stock multiple specialized adapters and components, while maintaining adaptability through its multi-functional capability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Loss of energy

If impedance transformation structure is integrated into the connector, then signal loss is reduced, but manufacturing precision requirements increase

Engineering Contradiction:
Improvesignal lossVSAvoidimpedance transformation precision
Core Design Contradiction:
Loss of energyVSManufacturing precision

Solution Approach 1:

The impedance transformation structure is integrated into the connector body as a unified component rather than a separate element. This integration allows for optimized signal transmission path and reduced connections between components, minimizing signal loss. The manufacturing precision is managed through standardized production processes for the integrated structure, balancing the need for precise impedance transformation with practical manufacturing capabilities.

Inventive Principle:
Principle #5Merging (Combining)

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 connector reduces signal loss, minimizes space and cost, and enhances design flexibility by enabling direct connections between waveguides and coaxial components, facilitating the use of standardized ports and allowing for field replacement without the need for custom manufacturing.

Implementation Method 1

an impedance transformation structure located in the cavity

Methodology Applied
Scientific EffectImpedance transformation:

Data Source

PatentUS11804681B1Waveguide to coaxial conductor pin connector
Publication Date: 2023.10.31 SAGE MILLIMETER INC
  • US11804681B1 patent drawing
  • US11804681B1 patent drawing
  • US11804681B1 patent drawing

AI summary

Connecting a waveguide and a coaxial conductor pin is disclosed. In an embodiment, a connector includes: a body, wherein the body includes a first interface configured to couple to the waveguide and a second interface configured to couple to the coaxial conductor pin; a cavity within the body, wherein the cavity takes up a region between the first interface and the second interface; and an impedance transformation structure located in the cavity.