CN1086892C - 振荡器和使用这种振荡器的锁相环 - Google Patents
振荡器和使用这种振荡器的锁相环 Download PDFInfo
- Publication number
- CN1086892C CN1086892C CN97113857A CN97113857A CN1086892C CN 1086892 C CN1086892 C CN 1086892C CN 97113857 A CN97113857 A CN 97113857A CN 97113857 A CN97113857 A CN 97113857A CN 1086892 C CN1086892 C CN 1086892C
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- China
- Prior art keywords
- switch
- voltage
- clock signal
- input
- output
- 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
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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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/004—Switched capacitor networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
- H03K3/0231—Astable circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
- H03K4/023—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform by repetitive charge or discharge of a capacitor, analogue generators
-
- 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- 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
- H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Synchronizing For Television (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP169272/96 | 1996-06-28 | ||
JP16927296A JP3647147B2 (ja) | 1996-06-28 | 1996-06-28 | 発振回路とそれを利用したpll回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011359897A Division CN1183740C (zh) | 1996-06-28 | 1997-06-28 | 振荡器和使用这种振荡器的锁相环 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170303A CN1170303A (zh) | 1998-01-14 |
CN1086892C true CN1086892C (zh) | 2002-06-26 |
Family
ID=15883439
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97113857A Expired - Fee Related CN1086892C (zh) | 1996-06-28 | 1997-06-28 | 振荡器和使用这种振荡器的锁相环 |
CNB011359897A Expired - Fee Related CN1183740C (zh) | 1996-06-28 | 1997-06-28 | 振荡器和使用这种振荡器的锁相环 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011359897A Expired - Fee Related CN1183740C (zh) | 1996-06-28 | 1997-06-28 | 振荡器和使用这种振荡器的锁相环 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5793257A (zh) |
JP (1) | JP3647147B2 (zh) |
KR (1) | KR100211342B1 (zh) |
CN (2) | CN1086892C (zh) |
FR (2) | FR2752114B1 (zh) |
TW (1) | TW338870B (zh) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3923150B2 (ja) * | 1997-10-16 | 2007-05-30 | 日本テキサス・インスツルメンツ株式会社 | 周波数シンセサイザ |
EP1017172B1 (en) | 1998-12-29 | 2002-10-23 | STMicroelectronics S.r.l. | Integrated circuit generating at least a voltage linear ramp having a slow rise |
DE60020451T2 (de) | 1999-06-01 | 2005-10-13 | Fujitsu Ltd., Kawasaki | Komparatorschaltung |
DE10046325C2 (de) * | 2000-09-19 | 2002-08-29 | Infineon Technologies Ag | Elektrische Schaltung zur Erzeugung eines periodischen Signals |
FR2840469A1 (fr) * | 2002-05-28 | 2003-12-05 | Koninkl Philips Electronics Nv | Boucle a verrouillage de phase |
US6998913B2 (en) * | 2004-06-14 | 2006-02-14 | Brookhaven Science Associates, Llc | Method and apparatus for linear low-frequency feedback in monolithic low-noise charge amplifiers |
WO2007001255A1 (en) * | 2005-06-15 | 2007-01-04 | Freescale Semiconductor, Inc. | Integrated relaxation voltage controlled oscillator and method of voltage controlled oscillation |
US8143957B2 (en) * | 2006-01-11 | 2012-03-27 | Qualcomm, Incorporated | Current-mode gain-splitting dual-path VCO |
DE102006017634A1 (de) * | 2006-04-12 | 2007-10-18 | Fev Motorentechnik Gmbh | Anzeigeinstrument für ein Fahrzeug |
JP4213172B2 (ja) * | 2006-06-19 | 2009-01-21 | 日本電波工業株式会社 | Pll発振回路 |
WO2009070940A1 (en) * | 2007-12-06 | 2009-06-11 | Hong Kong Applied Science And Technology Research Institute Co. Ltd. | Low-voltage oscillator with capacitor-ratio selectable duty cycle and single-input sub-threshold-conducting comparators to s-r latch |
CN101458540B (zh) * | 2007-12-14 | 2010-08-18 | 凌阳科技股份有限公司 | 一种带隙基准电压电路 |
TWI348826B (en) * | 2008-01-28 | 2011-09-11 | Prolific Technology Inc | Filter and filtering method |
JP5802095B2 (ja) * | 2011-09-28 | 2015-10-28 | 新日本無線株式会社 | 電圧電流変換回路および電圧制御発振回路 |
US9054690B2 (en) * | 2012-08-29 | 2015-06-09 | Analog Devices Global | Chopped oscillator |
CN103812445B (zh) * | 2012-11-06 | 2017-11-17 | 比亚迪股份有限公司 | 一种振荡器 |
US20160056763A1 (en) * | 2014-08-20 | 2016-02-25 | Qualcomm Incorporated | Switched-capacitor rc oscillator |
CN104485941A (zh) * | 2014-12-23 | 2015-04-01 | 上海数明半导体有限公司 | 一种转换电路 |
JP6926064B2 (ja) | 2015-08-04 | 2021-08-25 | オーチス エレベータ カンパニーOtis Elevator Company | エレベータかごドアインターロック |
US11442494B2 (en) * | 2020-06-08 | 2022-09-13 | Analog Devices, Inc. | Apparatus and methods for controlling a clock signal |
US11316524B1 (en) * | 2020-12-02 | 2022-04-26 | Centaur Technology, Inc. | Process independent spread spectrum clock generator utilizing a discrete-time capacitance multiplying loop filter |
JP2022141193A (ja) * | 2021-03-15 | 2022-09-29 | キオクシア株式会社 | 周波数電圧変換回路、半導体装置、及び、メモリシステム |
CN113810893B (zh) * | 2021-11-17 | 2022-03-18 | 北京紫光青藤微***有限公司 | 用于时钟信号恢复的装置及方法、nfc芯片 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983931A (en) * | 1989-06-29 | 1991-01-08 | Nec Corporation | CR-type oscillator circuit |
US4987373A (en) * | 1989-09-01 | 1991-01-22 | Chrontel, Inc. | Monolithic phase-locked loop |
US5384554A (en) * | 1993-12-08 | 1995-01-24 | Calcomp Inc. | Voltage controlled oscillator circuit employing integrated circuit component ratios |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5663675A (en) * | 1995-06-07 | 1997-09-02 | American Microsystems, Inc. | Multiple stage tracking filter using a self-calibrating RC oscillator circuit |
-
1996
- 1996-06-28 JP JP16927296A patent/JP3647147B2/ja not_active Expired - Fee Related
-
1997
- 1997-01-06 US US08/778,781 patent/US5793257A/en not_active Expired - Lifetime
- 1997-01-18 TW TW086100501A patent/TW338870B/zh not_active IP Right Cessation
- 1997-01-29 KR KR1019970002611A patent/KR100211342B1/ko not_active IP Right Cessation
- 1997-06-26 FR FR9708000A patent/FR2752114B1/fr not_active Expired - Fee Related
- 1997-06-28 CN CN97113857A patent/CN1086892C/zh not_active Expired - Fee Related
- 1997-06-28 CN CNB011359897A patent/CN1183740C/zh not_active Expired - Fee Related
-
1998
- 1998-01-20 FR FR9800549A patent/FR2759217B1/fr not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983931A (en) * | 1989-06-29 | 1991-01-08 | Nec Corporation | CR-type oscillator circuit |
US4987373A (en) * | 1989-09-01 | 1991-01-22 | Chrontel, Inc. | Monolithic phase-locked loop |
US5384554A (en) * | 1993-12-08 | 1995-01-24 | Calcomp Inc. | Voltage controlled oscillator circuit employing integrated circuit component ratios |
Also Published As
Publication number | Publication date |
---|---|
FR2759217A1 (fr) | 1998-08-07 |
KR100211342B1 (ko) | 1999-08-02 |
CN1395417A (zh) | 2003-02-05 |
FR2759217B1 (fr) | 2001-11-02 |
JPH1022791A (ja) | 1998-01-23 |
FR2752114B1 (fr) | 2002-03-15 |
KR980006931A (ko) | 1998-03-30 |
CN1183740C (zh) | 2005-01-05 |
TW338870B (en) | 1998-08-21 |
JP3647147B2 (ja) | 2005-05-11 |
FR2752114A1 (fr) | 1998-02-06 |
CN1170303A (zh) | 1998-01-14 |
US5793257A (en) | 1998-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090213 Address after: Tokyo, Japan, Japan Patentee after: Fujitsu Microelectronics Ltd. Address before: Kanagawa Patentee before: Fujitsu Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: FUJITSU MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20090213 |
|
C56 | Change in the name or address of the patentee |
Owner name: FUJITSU SEMICONDUCTOR CO., LTD. Free format text: FORMER NAME: FUJITSU MICROELECTRON CO., LTD. |
|
CP03 | Change of name, title or address |
Address after: Japan's Kanagawa Prefecture Yokohama Patentee after: Fujitsu Semiconductor Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Fujitsu Microelectronics Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: SPANSION LLC N. D. GES D. STAATES Free format text: FORMER OWNER: FUJITSU SEMICONDUCTOR CO., LTD. Effective date: 20140107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140107 Address after: American California Patentee after: Spansion LLC N. D. Ges D. Staates Address before: Yokohama City, Kanagawa Prefecture, Japan Patentee before: Fujitsu Semiconductor Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020626 Termination date: 20150628 |
|
EXPY | Termination of patent right or utility model |