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公开(公告)号：US20240380404A1
公开(公告)日：2024-11-14
申请号：US18696385
申请日：2022-09-19
Applicant: SANECHIPS TECHNOLOGY CO., LTD.
Abstract: The present disclosure provides a linearity calibration method for digital time converter, including: acquiring a phase prediction parameter and a locked phase error, and calculating a control word of a digital time converter according to the phase prediction parameter, the locked phase error, a pre-configured nonlinear predistortion function, and a pre-configured calibration order n, with the control word being configured to enable the digital time converter to adjust a delay of a reference clock, so as to keep the reference clock and a feedback clock which are input to a time digital converter in a tracked state. The present disclosure further provides a linearity calibration apparatus for digital time converter and a digital phase lock loop.
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