RTC timing system and method
The invention discloses an RTC timing system and method. The system comprises a phase discrimination module used for determining a phase deviation between a low-frequency reference clock and a frequency division clock to be calibrated; the adjusting module is used for adjusting the output clock freq...
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| creator | LIN CHAOXING LIN JIANHUA QIU WENCAI LIN MANYUAN GONG CUILING |
| description | The invention discloses an RTC timing system and method. The system comprises a phase discrimination module used for determining a phase deviation between a low-frequency reference clock and a frequency division clock to be calibrated; the adjusting module is used for adjusting the output clock frequency of the frequency division clock to be calibrated according to the phase deviation to obtain a frequency calibration clock; the frequency division module is used for carrying out frequency division on the frequency calibration clock to obtain a current frequency division calibration clock and feeding back the current frequency division calibration clock to the phase discrimination module to form a closed-loop negative feedback adjustment loop, so that the phase discrimination module carries out frequency division on the low-frequency reference clock according to an error between the current frequency division calibration clock and the low-frequency reference clock; outputting a first target frequency division |
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The system comprises a phase discrimination module used for determining a phase deviation between a low-frequency reference clock and a frequency division clock to be calibrated; the adjusting module is used for adjusting the output clock frequency of the frequency division clock to be calibrated according to the phase deviation to obtain a frequency calibration clock; the frequency division module is used for carrying out frequency division on the frequency calibration clock to obtain a current frequency division calibration clock and feeding back the current frequency division calibration clock to the phase discrimination module to form a closed-loop negative feedback adjustment loop, so that the phase discrimination module carries out frequency division on the low-frequency reference clock according to an error between the current frequency division calibration clock and the low-frequency reference clock; outputting a first target frequency division</description><language>chi ; eng</language><subject>AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES ; BASIC ELECTRONIC CIRCUITRY ; CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; ELECTRICITY ; PHYSICS</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240510&DB=EPODOC&CC=CN&NR=118012225A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240510&DB=EPODOC&CC=CN&NR=118012225A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIN CHAOXING</creatorcontrib><creatorcontrib>LIN JIANHUA</creatorcontrib><creatorcontrib>QIU WENCAI</creatorcontrib><creatorcontrib>LIN MANYUAN</creatorcontrib><creatorcontrib>GONG CUILING</creatorcontrib><title>RTC timing system and method</title><description>The invention discloses an RTC timing system and method. 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The system comprises a phase discrimination module used for determining a phase deviation between a low-frequency reference clock and a frequency division clock to be calibrated; the adjusting module is used for adjusting the output clock frequency of the frequency division clock to be calibrated according to the phase deviation to obtain a frequency calibration clock; the frequency division module is used for carrying out frequency division on the frequency calibration clock to obtain a current frequency division calibration clock and feeding back the current frequency division calibration clock to the phase discrimination module to form a closed-loop negative feedback adjustment loop, so that the phase discrimination module carries out frequency division on the low-frequency reference clock according to an error between the current frequency division calibration clock and the low-frequency reference clock; outputting a first target frequency division</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS |
| title | RTC timing system and method |
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