Oscillator and method of operation thereof

CN122394501APending Publication Date: 2026-07-14REALTEK SEMICON CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
REALTEK SEMICON CORP
Filing Date
2025-01-13
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing oscillators cannot start up quickly and have low reliability. The oscillation period takes time to stabilize in the initial stage, and the large voltage fluctuation of the relay voltage makes electronic components prone to overvoltage.

Method used

By setting the enable signal EN, the initial state of each node is defined. By combining logic circuits and oscillation circuits, the oscillation period of the output signal DOUT is quickly stabilized. Furthermore, a voltage divider circuit is formed using capacitors and resistors to reduce the voltage swing of the relay voltage.

Benefits of technology

It achieves rapid start-up and high reliability of the oscillator, and the oscillation output signal is stable in the early stage, avoiding overvoltage problems and improving the reliability of electronic components.

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Abstract

An oscillator includes a logic circuit and an oscillation circuit. The logic circuit is configured to receive an enable signal and a feedback signal and generate a first control signal based on the enable signal and the feedback signal. The oscillation circuit is coupled to the logic circuit and configured to generate the feedback signal and an oscillation output signal based on the first control signal.
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