CN1099763C - 频率合成器 - Google Patents

频率合成器 Download PDF

Info

Publication number
CN1099763C
CN1099763C CN95104195A CN95104195A CN1099763C CN 1099763 C CN1099763 C CN 1099763C CN 95104195 A CN95104195 A CN 95104195A CN 95104195 A CN95104195 A CN 95104195A CN 1099763 C CN1099763 C CN 1099763C
Authority
CN
China
Prior art keywords
frequency
signal
divider
dividing ratio
phase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN95104195A
Other languages
English (en)
Chinese (zh)
Other versions
CN1113053A (zh
Inventor
竹内勇雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of CN1113053A publication Critical patent/CN1113053A/zh
Application granted granted Critical
Publication of CN1099763C publication Critical patent/CN1099763C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CN95104195A 1994-04-28 1995-04-28 频率合成器 Expired - Fee Related CN1099763C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP092557/1994 1994-04-28
JP092557/94 1994-04-28
JP6092557A JPH07297713A (ja) 1994-04-28 1994-04-28 周波数シンセサイザ

Publications (2)

Publication Number Publication Date
CN1113053A CN1113053A (zh) 1995-12-06
CN1099763C true CN1099763C (zh) 2003-01-22

Family

ID=14057725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95104195A Expired - Fee Related CN1099763C (zh) 1994-04-28 1995-04-28 频率合成器

Country Status (4)

Country Link
JP (1) JPH07297713A (ko)
KR (1) KR100343078B1 (ko)
CN (1) CN1099763C (ko)
GB (1) GB2288931B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19816656C2 (de) * 1998-04-15 2000-08-10 Suedwestrundfunk Anstalt Des O Verfahren zum Erzeugen von Frequenzen
WO2000045515A1 (fr) * 1999-01-29 2000-08-03 Sanyo Electric Co., Ltd. Appareil a boucle a phase asservie (pll) et dispositif de repartition en frequence variable
JP5229081B2 (ja) * 2009-04-10 2013-07-03 富士通株式会社 半導体装置
EP2571165B1 (en) * 2011-05-18 2015-10-21 Asahi Kasei Microdevices Corporation Accumulator type fractional-n pll synthesizer and control method thereof
GB2580631B (en) * 2019-01-17 2022-04-27 Cml Microcircuits Uk Ltd Phase-locked loop circuitry

Also Published As

Publication number Publication date
JPH07297713A (ja) 1995-11-10
GB2288931A (en) 1995-11-01
CN1113053A (zh) 1995-12-06
GB9508511D0 (en) 1995-06-14
KR950035076A (ko) 1995-12-30
KR100343078B1 (ko) 2002-12-16
GB2288931B (en) 1998-09-23

Similar Documents

Publication Publication Date Title
CN1127200C (zh) 用数字字调整的频率合成电路
CN1118937C (zh) 数字锁相环电路和时钟发生方法
US5521948A (en) Frequency synthesizer
CN1158768C (zh) 带有抖动补偿的分数n分频的频率综合器
US7907023B2 (en) Phase lock loop with a multiphase oscillator
EP1249936A2 (en) Lock detection circuit
CN101419483B (zh) 基于锁相环的时钟发生器及时钟发生方法
JPH08223037A (ja) 周波数シンセサイザ
CN1099163C (zh) 高频全数字化锁相回路
CN1084088C (zh) 频率合成器
CN104601171A (zh) 小数分频器和小数分频锁相环
CN1118205A (zh) 信号处理电路和延时二进制周期输入信号的方法
CN1099763C (zh) 频率合成器
US4575867A (en) High speed programmable prescaler
JPH04356804A (ja) デジタル信号合成方法及び装置
KR100414864B1 (ko) 디지탈카운터및디지탈pll회로
CN86101017A (zh) 振荡电路
JPH09261048A (ja) 可変分周装置
CN1494217A (zh) 低稳态误差的锁相回路及其校正电路
JP2007142791A (ja) 周波数シンセサイザ
CN1761157A (zh) 适用各种环振锁相环的动态电压模相位内插电路
CN114337661B (zh) 基于pll电路的小数分频和动态移相系统
CN118367929B (zh) 一种锁相环中0.5分频步进的多模分频器及校准方法
JP2002280897A (ja) フルディジタルｐｌｌ回路
JP2733528B2 (ja) 位相ロック・ループ用部分パルス・ハイト型基準周波数発生回路

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20030122

Termination date: 20100428