Terahertz Mixer Cavity Layout for Multi-Channel Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current terahertz mixers face challenges in achieving high-performance multi-channel integration due to limitations in machining metal cavity materials, which restricts the reduction of channel spacing and overall integration.
Innovation Solution
The terahertz mixer design includes a metal housing with a box body and cover that form a metal cavity, featuring a microstrip line with radio frequency, local oscillator, and signal output channels that are not coplanar, allowing for improved channel spacing and integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If metal cavity materials such as copper or aluminum are used for terahertz mixers, then good channel spacing can be achieved, but multi-channel integration is limited due to machining requirements
Solution Approach 1:
The patent combines multiple frequency conversion units into a single integrated mixer structure. Multiple radio frequency input channels, local oscillator input channels, and signal output channels are integrated within one metal cavity, eliminating the need for separate spliced channels and achieving true multi-channel integration while maintaining precise channel spacing
Solution Approach 2:
The patent arranges signal channels in three-dimensional space within the metal cavity rather than on a single plane. By utilizing vertical and spatial distribution of channels, the design achieves reduced channel spacing and improved integration without compromising manufacturing precision
2Manufacturing precision
If independent single channels are spliced for multi-channel receivers, then good channel spacing is maintained, but overall integration is reduced
Solution Approach 1:
The patent merges multiple independent frequency conversion units into a single integrated mixer structure with unified metal cavity, eliminating the need for splicing separate channels. This integration simplifies manufacturing while maintaining precise channel spacing through the unified structure
Solution Approach 2:
The patent segments the mixer into multiple frequency conversion units within a single integrated structure, where each unit handles specific frequency conversions. This segmentation allows for modular design and assembly while maintaining overall integration and reducing manufacturing complexity
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 design enhances the flexibility and integration of the mixer, reducing complexity and processing costs while maintaining high-frequency characteristics, thereby improving the overall system integration.
Implementation Method 1
the suspended microstrip line respectively extends into the cavities where the radio frequency input waveguide and the local oscillator input waveguide are located so as to respectively form microstrip line antennas for receiving a radio frequency input signal and a local oscillator input signal
Implementation Method 2
a mixer for frequency down conversion is a key component
Data Source
Figure 1~2
Figure 3~5
Figure 6~8
AI summary
The present disclosure provides a device for mixing or multiplying frequency, including: a metal housing including a box body and a cover buckled together to define a metal cavity; and at least one frequency conversion unit including a microstrip line located in the metal cavity, and a channel structure including a radio frequency signal input channel, a local oscillator signal input channel and a signal output channel, the radio frequency signal input channel, the local oscillator signal input channel and the signal output channel pass through the metal housing and are coupled to the microstrip line respectively, wherein at least two of a plane where the radio frequency signal input channel is located, a plane where the local oscillator signal input channel is located and a plane where the signal output channel is located are not coplanar.