Invention Grant
- Patent Title: Clock generator with dual-path temperature compensation
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Application No.: US17973851Application Date: 2022-10-26
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Publication No.: US11791802B1Publication Date: 2023-10-17
- Inventor: Saleh Heidary Shalmany , Kamran Souri , Sassan Tabatabaei , U{hacek over (g)}ur Sönmez
- Applicant: SiTime Corporation
- Applicant Address: US CA Santa Clara
- Assignee: SiTime Corporation
- Current Assignee: SiTime Corporation
- Current Assignee Address: US CA Santa Clara
- The original application number of the division: US17199314 2021.03.11
- Main IPC: H03K3/011
- IPC: H03K3/011 ; G06F1/04

Abstract:
In a timing signal generator having a resonator, one or more temperature-sense circuits generate an analog temperature signal and a digital temperature signal indicative of temperature of the resonator. First and second temperature compensation signal generators to generate, respectively, an analog temperature compensation signal according to the analog temperature signal and a digital temperature compensation signal according to the digital temperature signal. Clock generating circuitry drives the resonator into mechanically resonant motion and generates a temperature-compensated output timing signal based on the mechanically resonant motion, the analog temperature compensation signal and the digital temperature compensation signal.
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