US Patent Application 18344120. Automatic Hybrid Oscillator Gain Adjustor Circuit simplified abstract

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Automatic Hybrid Oscillator Gain Adjustor Circuit

Organization Name

Taiwan Semiconductor Manufacturing Company, Ltd.


Inventor(s)

Tsung-Hsien Tsai of Taoyuan County (TW)


Ya-Tin Chang of Hsinchu (TW)


Ruey-Bin Sheen of Taichung City (TW)


Automatic Hybrid Oscillator Gain Adjustor Circuit - A simplified explanation of the abstract

  • This abstract for appeared for US patent application number 18344120 Titled 'Automatic Hybrid Oscillator Gain Adjustor Circuit'

Simplified Explanation

The abstract describes an automatic gain adjustor for a hybrid oscillator that can overcome the frequency limitations of hybrid phase lock loops (PLLs). It explains that the automatic gain adjustor includes a hybrid oscillator that receives a coarse tuning signal and a gain adjustment signal to generate an output signal within the specified frequency range of the hybrid PLL. Additionally, it mentions the inclusion of a fine tuning array that receives fine tuning selection signals and generates a gain adjustment signal for the hybrid oscillator. This allows the gain of the hybrid oscillator to be adjusted based on the operating frequency range.


Original Abstract Submitted

An automatic gain adjustor for a hybrid oscillator can be employed to overcome the frequency limitations of hybrid phase lock loops (PLLs). For example, an automatic gain adjustor for a hybrid oscillator can include a hybrid oscillator that is configured to receive a coarse tuning signal and a gain adjustment signal and generate an output signal with any frequency within the specified frequency range of the hybrid PLL. The automatic gain adjustor for a hybrid PLL may further include a fine tuning array that receives one or more fine tuning selection signals and generates a gain adjustment signal that is received by the hybrid oscillator. The fine tuning array generates a gain adjustment signal to adjust the gain of the hybrid oscillator according to an operating frequency range of the hybrid oscillator.