High-Frequency Coil Driver Using Parasitic Capacitance for Low Noise
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Solution Overview
Problem
Existing quantum particle systems are large, cumbersome, and power inefficient, with magnetic coils generating high noise fields that affect system performance, particularly in compact and ruggedized deployable systems.
Innovation Solution
A compact system with a coil driver that utilizes a pulse generator and switching module to generate a switched driving signal at a frequency higher than the parasitic capacitance frequency of the magnetic coils, reducing noise by ensuring only the DC component passes through, thereby generating a low-noise magnetic field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional coil drivers are used to generate magnetic fields for quantum particle control, then the system can operate, but the magnetic field noise is high which adversely affects system performance
Solution Approach 1:
The patent applies periodic action by using a pulse generator to create a pulse train that drives the magnetic coils at a frequency above the parasitic capacitance frequency. This periodic switching action ensures that only the DC component passes through the coils, filtering out noise and producing a clean magnetic field essential for quantum particle control.
Solution Approach 2:
The patent changes the operating frequency parameter to be above the parasitic capacitance frequency of the coils. This parameter change transforms the coil's impedance characteristics, allowing the system to exploit the parasitic capacitance for noise filtering while maintaining efficient magnetic field generation for quantum particle manipulation.
2Object-generated harmful factors
If the coil driving frequency is increased above parasitic capacitance frequency to reduce noise, then magnetic field noise is reduced, but the device complexity increases
Solution Approach 1:
The patent applies self-service by using the parasitic capacitance inherent in the coil structure itself as the filtering element. Instead of adding external filtering components that would increase complexity, the system exploits the coil's own parasitic capacitance to filter noise, making the filtering function self-generated and eliminating the need for additional passive components.
Solution Approach 2:
The patent changes the driving frequency parameter to operate above the parasitic capacitance frequency, which fundamentally changes how the coil impedance behaves. This parameter change allows the system to use the existing parasitic capacitance for noise filtering without requiring additional filtering hardware, thus reducing device complexity while achieving low noise performance.
3Volume of moving object
If compact systems are designed for quantum particle applications, then size and power are reduced, but magnetic field noise control becomes more challenging
Solution Approach 1:
The patent applies self-service by utilizing the parasitic capacitance that naturally exists in compact coil structures. In compact systems where adding external filtering components would increase size, the solution exploits the coil's own parasitic capacitance as the filtering mechanism, providing noise control without requiring additional space or components.
Solution Approach 2:
The patent changes the operating frequency to be above the parasitic capacitance frequency, which is particularly effective in compact systems. This parameter change allows compact coils to inherently filter noise through their parasitic capacitance, enabling effective noise control in space-constrained applications without requiring larger filtering components.
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 system produces a low-noise magnetic field, improving the performance and compactness of quantum particle systems, enabling efficient operation in harsh environments.
Implementation Method 1
The magnetic coil has a parasitic capacitance. The coil driver is coupled with the magnetic coil. The pulse generator provides a pulse train. The switching module receives the pulse train and provides a switched driving signal to the magnetic coil. The switched driving signal has a frequency not less than a parasitic capacitance frequency.
Data Source
AI summary
A system including a magnetic coil and a coil driver is described. The magnetic coil has a parasitic capacitance. The coil driver is coupled with the magnetic coil. The coil driver includes a pulse generator and a switching module coupled with the pulse generator. The pulse generator provides a pulse train. The switching module receives the pulse train and provides a switched driving signal to the magnetic coil. The switched driving signal has a frequency not less than a parasitic capacitance frequency.