Electromagnetic Adjustable Elements With Low-Power Transistor Switching
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Solution Overview
Problem
Current radio frequency switches in wave shaping devices are large, costly, and require high power, making them inefficient and expensive to produce due to the need for numerous high-power switches to control electromagnetic waves effectively.
Innovation Solution
The development of a low-power transistor switch with a power level lower than 20 dBm, specifically designed for electromagnetic adjustable elements, which reduces the size and cost of the wave shaping device by using fewer and less expensive transistors, such as MOSFET or CMOS type, and integrates the switch and control unit within a small integrated circuit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If high-power radio frequency switches are used to control electromagnetic waves in wave shaping devices, then the device can handle high power signals (more than 30 dBm) with high isolation, but the switch dimension becomes large and the cost increases
Solution Approach 1:
The patent divides the wave shaping device into multiple adjustable elements (typically more than 100), allowing the use of low-power switches (less than 20 dBm) in each element instead of a single high-power switch. This segmentation distributes the power handling requirement across many small components, reducing the dimension of each individual switch while maintaining overall system functionality.
2Power
If high-power radio frequency switches are used in wave shaping devices, then high power signals can be handled, but the production cost becomes high due to the large number of costly switches required
Solution Approach 1:
The patent segments the power handling function across numerous low-power switches instead of using fewer high-power switches. This allows the use of cheaper, smaller switches that can be manufactured more economically, reducing the overall production cost despite the increased quantity of components.
Solution Approach 2:
The patent employs low-cost transistor switches that are cheaper and more economical than traditional high-power radio frequency switches. These inexpensive switches can be mass-produced, significantly reducing the overall device cost even though a large number of them are required in the wave shaping device.
3Power
If traditional radio frequency switches are used, then high power signals can be controlled, but the device size becomes large and unsuitable for compact applications
Solution Approach 1:
The patent divides the device into many small adjustable elements, each containing a low-power switch. This segmentation enables compact packaging of numerous switches in a small total volume, as each individual switch requires minimal space compared to traditional high-power switches.
Solution Approach 2:
The patent arranges the adjustable elements and switches in a planar array configuration on a substrate, utilizing two-dimensional space efficiently. This dimensional arrangement allows a large number of low-power switches to be packed into a compact area, dramatically reducing the overall device volume compared to conventional three-dimensional arrangements of high-power switches.
Data Source
AI summary
An electromagnetic adjustable element that is adapted to change the manner in which an electromagnetic wave is reflected and/or transmitted and/or radiated by said adjustable element, the adjustable element comprising a first electromagnetic element and a second electromagnetic element, and a switch between them. The switch is a transistor structure including transistors of low power type, lower than 20 dBm.