Dual-Oscillator Voltage Control With Injection Locking
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Solution Overview
Problem
Portable electronic devices with rewritable non-volatile memory modules are susceptible to voltage fluctuations, leading to data reading and writing errors and device abnormalities due to the sensitivity of electronic circuit elements to significant voltage changes.
Innovation Solution
A voltage control circuit module comprising oscillation circuits, a feedback control circuit, and an injection lock circuit that generates and locks frequency and phase differences between oscillation signals to stabilize output voltage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single oscillation circuit is used to generate the control signal, then the device complexity is reduced, but the voltage control precision and stability deteriorate due to inability to lock frequency and phase differences
Solution Approach 1:
The single oscillation circuit is segmented into two separate oscillation circuits (first oscillation circuit and second oscillation circuit). Each circuit generates its own oscillation signal independently, allowing for separate frequency and phase control. This segmentation enables the injection lock circuit to lock the frequency and phase differences between the two signals, thereby improving voltage control precision while maintaining reasonable device complexity.
2Adaptability or versatility
If voltage changes are allowed to occur significantly, then the adaptability to different power conditions is improved, but the reliability deteriorates due to data reading errors, writing errors, and device abnormalities
Solution Approach 1:
The patent implements a feedback control mechanism where the output voltage is fed back to the oscillation circuits through the injection lock circuit. The injection lock circuit locks the frequency and phase differences between the two oscillation signals based on the output voltage feedback, thereby stabilizing the output voltage. This feedback mechanism allows the system to adapt to different power conditions while maintaining voltage stability within acceptable ranges, preventing data errors and device abnormalities.
3Device complexity
If traditional voltage control without injection lock is used, then the device complexity is reduced, but the voltage control efficiency and stability deteriorate
Solution Approach 1:
The injection lock circuit serves as an intermediary component between the two oscillation circuits and the voltage output circuit. It mediates the interaction between the oscillation signals by locking their frequency and phase differences, thereby improving voltage control efficiency. The intermediary injection lock circuit enables precise voltage control without requiring overly complex circuit structures, achieving a balance between complexity and efficiency.
Data Source
AI summary
A voltage control circuit module, a memory storage device, and a voltage control method are disclosed. The method includes: generating, by a first oscillation circuit, a first oscillation signal according to a feedback control signal; generating, by a second oscillation circuit, a second oscillation signal according to the feedback control signal; generating an output voltage according to the first oscillation signal and the second oscillation signal; generating the feedback control signal according to the output voltage; and locking at least one of a frequency difference and a phase difference between the first oscillation signal and the second oscillation signal according to the first oscillation signal and the second oscillation signal.