DE60208771D1 - Niederfrequente Selbstkalibrierung einer einen mehrphasigen Takt erzeugenden Phasenregelschleife - Google Patents
Niederfrequente Selbstkalibrierung einer einen mehrphasigen Takt erzeugenden PhasenregelschleifeInfo
- Publication number
- DE60208771D1 DE60208771D1 DE60208771T DE60208771T DE60208771D1 DE 60208771 D1 DE60208771 D1 DE 60208771D1 DE 60208771 T DE60208771 T DE 60208771T DE 60208771 T DE60208771 T DE 60208771T DE 60208771 D1 DE60208771 D1 DE 60208771D1
- Authority
- DE
- Germany
- Prior art keywords
- calibration
- low
- locked loop
- clock generating
- frequency self
- 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 - Lifetime
Links
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
- H03L7/16—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
-
- 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- 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
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
- H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
- H03L7/0893—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump the up-down pulses controlling at least two source current generators or at least two sink current generators connected to different points in 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
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
- H03L7/0996—Selecting a signal among the plurality of phase-shifted signals produced by the ring oscillator
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02447228A EP1422827B1 (de) | 2002-11-21 | 2002-11-21 | Niederfrequente Selbstkalibrierung einer einen mehrphasigen Takt erzeugenden Phasenregelschleife |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60208771D1 true DE60208771D1 (de) | 2006-04-06 |
Family
ID=32187323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60208771T Expired - Lifetime DE60208771D1 (de) | 2002-11-21 | 2002-11-21 | Niederfrequente Selbstkalibrierung einer einen mehrphasigen Takt erzeugenden Phasenregelschleife |
Country Status (3)
Country | Link |
---|---|
US (1) | US7298790B2 (de) |
EP (1) | EP1422827B1 (de) |
DE (1) | DE60208771D1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100712527B1 (ko) | 2005-08-18 | 2007-04-27 | 삼성전자주식회사 | 지터를 감소시킨 분산 스펙트럼 클럭 발생기 |
DE102005054221A1 (de) * | 2005-11-14 | 2007-05-16 | Maquet Gmbh & Co Kg | Patientenlagersystem |
CN1968019A (zh) * | 2005-11-16 | 2007-05-23 | 弥亚微电子(上海)有限公司 | 一种用于市电精确检测的全数字锁相环路 |
US7643580B2 (en) * | 2006-06-30 | 2010-01-05 | Agere Systems Inc. | Signal generator circuit having multiple output frequencies |
ITMI20090289A1 (it) | 2009-02-27 | 2010-08-28 | Milano Politecnico | Dispositivo elettronico per generare una frequenza frazionaria |
KR20110088901A (ko) * | 2010-01-29 | 2011-08-04 | 삼성전자주식회사 | 기준 클럭 발생소자의 주파수 옵셋을 보상하는 주파수 합성기를 갖는 통신 시스템 및 주파수 옵셋의 보상방법 |
US8692599B2 (en) * | 2012-08-22 | 2014-04-08 | Silicon Laboratories Inc. | Interpolative divider linearity enhancement techniques |
CN104320137B (zh) * | 2014-10-22 | 2015-10-21 | 华中科技大学 | 一种锁相环频率合成器 |
KR102671076B1 (ko) * | 2017-02-09 | 2024-05-30 | 에스케이하이닉스 주식회사 | 내부클럭생성회로 |
US10355701B2 (en) | 2017-08-11 | 2019-07-16 | Qualcomm Incorporated | Apparatus and method for frequency calibration of voltage controlled oscillator (VCO) including determining VCO frequency range |
US10158364B1 (en) * | 2017-08-31 | 2018-12-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Realignment strength controller for solving loop conflict of realignment phase lock loop |
CN110739966B (zh) * | 2019-09-29 | 2021-12-17 | 浙江大学 | 一种宽带低杂散锁相环电路 |
US11290117B1 (en) | 2021-12-01 | 2022-03-29 | Joseph Kosednar, Jr. | Low-frequency arithmetic multiplying PLL for HDL devices |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6064272A (en) * | 1998-07-01 | 2000-05-16 | Conexant Systems, Inc. | Phase interpolated fractional-N frequency synthesizer with on-chip tuning |
US6181213B1 (en) * | 1999-06-14 | 2001-01-30 | Realtek Semiconductor Corp. | Phase-locked loop having a multi-phase voltage controlled oscillator |
DE60112632T2 (de) * | 2000-03-10 | 2006-06-14 | Koninkl Philips Electronics Nv | Phasenverriegelungsschleife |
-
2002
- 2002-11-21 EP EP02447228A patent/EP1422827B1/de not_active Expired - Lifetime
- 2002-11-21 DE DE60208771T patent/DE60208771D1/de not_active Expired - Lifetime
-
2003
- 2003-11-20 US US10/718,256 patent/US7298790B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1422827A1 (de) | 2004-05-26 |
US7298790B2 (en) | 2007-11-20 |
EP1422827B1 (de) | 2006-01-18 |
US20040180638A1 (en) | 2004-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60208771D1 (de) | Niederfrequente Selbstkalibrierung einer einen mehrphasigen Takt erzeugenden Phasenregelschleife | |
DE50312783D1 (de) | Phasenregelschleife mit sigma-delta-modulator | |
DE60305543D1 (de) | Phaseninterpolationbasierter PLL Frequenzsynthetisierer | |
DE60200566D1 (de) | Spannungsgesteuerter Oszillator in einem Phasenregelkreis | |
DE60314415D1 (de) | Phasenregelschleife mit einer Ladungspumpe und Störunterdrückungsverbesserung der Stromversorgung | |
DE602005001077D1 (de) | Phasenregelschleife für Frequenzsynthetiser | |
EP1706943A4 (de) | Nicht-quasistatische phasenverriegelungs-schleifenfrequenzteilerschaltung | |
DE10084500T1 (de) | Frequenzvervielfachende Delay Locked Loop | |
AU2003247544A8 (en) | Multi-phase frequency generator using injection-locked frequency dividers | |
DE602005012562D1 (de) | Frequenzsynthetiser Architektur | |
DE60302543D1 (de) | Fraktional-Phasenregelschleife | |
DE60219527T8 (de) | Takterzeugungsschaltung | |
DE602004010336D1 (de) | Digitale Phasenregelschleife | |
DE60209329D1 (de) | Genaue Selbstkalibrierung einer einen mehrphasigen Takt erzeugenden Phasenregelschleife | |
DE60336869D1 (de) | Taktsignalerzeugungsschaltung | |
DE60225498D1 (de) | PLL-Frequenzsynthesizer | |
DE60219585D1 (de) | Frequenzsynthesizer mit Phasenrücksetzung | |
DE602006001474D1 (de) | Digitale Phasenregelschleife | |
DE60227968D1 (de) | Fraktionaler Zeitbereichinterpolator | |
DE60209197D1 (de) | Phasenregelschleife mit einer Ladungspumpe | |
DE50302636D1 (de) | Phasenregelkreis | |
DE10154993B4 (de) | Phasenregelkreisschaltung | |
DE60314020D1 (de) | Sd-modulator einer pll-schaltung | |
DE602005008868D1 (de) | Phasenregelkreisschaltung | |
ITMI20041694A1 (it) | Generatore di orologio a spettro distribuito |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |