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公开(公告)号：US11437981B1
公开(公告)日：2022-09-06
申请号：US17218400
申请日：2021-03-31
Applicant: NXP B.V.
Inventor： Domenico Liberti , Neil Edward Birns , Andre Gunther , Rob Cosaro
Abstract: A temperature compensated, auto tunable, frequency locked loop oscillator includes, in one embodiment, an oscillator configured to generate a clock-signal with a frequency fclk based on a control voltage vc, and a frequency-to-voltage (f/v) converter coupled to the oscillator, which is configured to generate a first voltage vfb with a magnitude based on frequency fclk. A controller is also included and coupled between the oscillator and the f/v converter. The controller is configured to control the magnitude of the control voltage vc based on the first voltage vfb.
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