CN111642139A - 频率调节器及其频率调节方法、电子设备 - Google Patents

频率调节器及其频率调节方法、电子设备 Download PDF

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CN111642139A
CN111642139A CN201980000003.6A CN201980000003A CN111642139A CN 111642139 A CN111642139 A CN 111642139A CN 201980000003 A CN201980000003 A CN 201980000003A CN 111642139 A CN111642139 A CN 111642139A
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frequency
input
output
adjustment coefficient
control word
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CN201980000003.6A
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CN111642139B (zh
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魏祥野
修黎明
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BOE Technology Group Co Ltd
Beijing BOE Technology Development Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Technology Development Co Ltd
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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/099Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0995Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
    • H03L7/0996Selecting a signal among the plurality of phase-shifted signals produced by the ring oscillator
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/08Clock generators with changeable or programmable clock frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K7/00Modulating pulses with a continuously-variable modulating signal
    • H03K7/06Frequency or rate modulation, i.e. PFM or PRM
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/081Details of the phase-locked loop provided with an additional controlled phase shifter
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/099Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

一种频率调节器及其频率调节方法、电子设备。该频率调节器(10)包括:信号处理电路(11),被配置为根据频率调节系数和输入频率(fi),生成频率控制字(F);频率调节电路(12),被配置为接收并根据频率控制字(F),生成并输出具有目标频率(fo)的输出信号(Sout)。该频率调节系数为任意正实数,且表示为M.m,M为频率调节系数的整数部分,且M为自然数,m为频率调节系数的小数部分。

Description

PCT国内申请,说明书已公开。

Claims (16)

  1. PCT国内申请,权利要求书已公开。
CN201980000003.6A 2019-01-02 2019-01-02 频率调节器及其频率调节方法、电子设备 Active CN111642139B (zh)

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PCT/CN2019/070132 WO2020140207A1 (zh) 2019-01-02 2019-01-02 频率调节器及其频率调节方法、电子设备

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US (1) US11101806B2 (zh)
EP (1) EP3907890A4 (zh)
JP (1) JP7343499B2 (zh)
KR (1) KR102434815B1 (zh)
CN (1) CN111642139B (zh)
WO (1) WO2020140207A1 (zh)

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CN110047266B (zh) * 2018-01-17 2021-01-22 京东方科技集团股份有限公司 信息表示方法、多进制计算电路及电子系统
CN110199477B (zh) 2019-04-23 2022-02-01 京东方科技集团股份有限公司 时钟展频电路、电子设备和时钟展频方法
US11949420B2 (en) 2019-04-23 2024-04-02 Beijing Boe Technology Development Co., Ltd. Clock spread spectrum circuit, electronic equipment, and clock spread spectrum method
CN110214418B (zh) * 2019-04-23 2022-12-27 京东方科技集团股份有限公司 展频电路的参数确定方法及装置、时钟展频方法及装置
CN110518906B (zh) * 2019-08-30 2023-04-07 京东方科技集团股份有限公司 信号生成电路及其方法、数字时间转换电路及其方法

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CN106708166A (zh) * 2017-01-09 2017-05-24 京东方科技集团股份有限公司 信号生成器和信号生成方法
CN107425851A (zh) * 2017-08-09 2017-12-01 京东方科技集团股份有限公司 频率补偿器、电子设备和频率补偿方法
WO2018126720A1 (zh) * 2017-01-04 2018-07-12 京东方科技集团股份有限公司 数控振荡器和基于数控振荡器的全数字锁频环和锁相环

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JP2001298363A (ja) * 2000-04-17 2001-10-26 Matsushita Electric Ind Co Ltd 周波数シンセサイザ装置とそれを用いた移動無線機
KR100714872B1 (ko) * 2005-08-26 2007-05-07 삼성전자주식회사 주파수 검출 회로, 주파수 검출 방법 및 상기 주파수검출회로를 포함하는 반도체 장치
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CN103095297B (zh) * 2013-01-06 2015-03-25 中国电子科技集团公司第十研究所 直接数字频率合成器产生精准频率的方法
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TWI613890B (zh) * 2016-09-21 2018-02-01 茂達電子股份有限公司 數位控制振盪器的頻率校正方法及其頻率校正裝置
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CN106708166A (zh) * 2017-01-09 2017-05-24 京东方科技集团股份有限公司 信号生成器和信号生成方法
CN107425851A (zh) * 2017-08-09 2017-12-01 京东方科技集团股份有限公司 频率补偿器、电子设备和频率补偿方法

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JP2022522911A (ja) 2022-04-21
KR20200085791A (ko) 2020-07-15
US11101806B2 (en) 2021-08-24
US20210075426A1 (en) 2021-03-11
EP3907890A4 (en) 2022-08-17
WO2020140207A1 (zh) 2020-07-09
JP7343499B2 (ja) 2023-09-12
CN111642139B (zh) 2023-08-01
EP3907890A1 (en) 2021-11-10
KR102434815B1 (ko) 2022-08-22

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