DE69324792T2 - Vorrichtung und Verfahren mit Schieberegistern zur Erzeugung einer Vorspannung für einen VCO in einer PLL-Schaltung - Google Patents
Vorrichtung und Verfahren mit Schieberegistern zur Erzeugung einer Vorspannung für einen VCO in einer PLL-SchaltungInfo
- Publication number
- DE69324792T2 DE69324792T2 DE69324792T DE69324792T DE69324792T2 DE 69324792 T2 DE69324792 T2 DE 69324792T2 DE 69324792 T DE69324792 T DE 69324792T DE 69324792 T DE69324792 T DE 69324792T DE 69324792 T2 DE69324792 T2 DE 69324792T2
- Authority
- DE
- Germany
- Prior art keywords
- vco
- generating
- bias voltage
- shift registers
- pll circuit
- 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
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
- H03L7/08—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
-
- 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
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0315—Ring oscillators
-
- 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
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/354—Astable circuits
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/06—Phase locked loops with a controlled oscillator having at least two frequency control terminals
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/024,064 US5375148A (en) | 1993-03-01 | 1993-03-01 | VCO bias generator in a phase lock loop |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69324792D1 DE69324792D1 (de) | 1999-06-10 |
DE69324792T2 true DE69324792T2 (de) | 1999-12-09 |
Family
ID=21818685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69324792T Expired - Fee Related DE69324792T2 (de) | 1993-03-01 | 1993-12-23 | Vorrichtung und Verfahren mit Schieberegistern zur Erzeugung einer Vorspannung für einen VCO in einer PLL-Schaltung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5375148A (de) |
EP (2) | EP0817389A1 (de) |
JP (1) | JP3487896B2 (de) |
DE (1) | DE69324792T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2769660B2 (ja) * | 1992-09-21 | 1998-06-25 | 三菱電機株式会社 | Pll回路 |
DE4326062C1 (de) * | 1993-08-03 | 1994-08-18 | Siemens Ag | Phasenregelanordnung |
US5557224A (en) * | 1994-04-15 | 1996-09-17 | International Business Machines Corporation | Apparatus and method for generating a phase-controlled clock signal |
JP2616701B2 (ja) * | 1994-06-29 | 1997-06-04 | 日本電気株式会社 | クロック従属同期装置の高速引込み制御回路 |
US5592370A (en) * | 1994-09-19 | 1997-01-07 | Sun Microsystems, Inc. | Regulated complementary charge pump circuit |
JPH08186490A (ja) * | 1994-11-04 | 1996-07-16 | Fujitsu Ltd | 位相同期回路及びデータ再生装置 |
US5727037A (en) * | 1996-01-26 | 1998-03-10 | Silicon Graphics, Inc. | System and method to reduce phase offset and phase jitter in phase-locked and delay-locked loops using self-biased circuits |
KR0157952B1 (ko) * | 1996-01-27 | 1999-03-20 | 문정환 | 위상 지연 보정 장치 |
JP2914287B2 (ja) * | 1996-03-08 | 1999-06-28 | 日本電気株式会社 | Pll回路 |
JP3080146B2 (ja) * | 1996-08-26 | 2000-08-21 | 日本電気株式会社 | 自動ロック回路 |
US5986514A (en) * | 1998-01-26 | 1999-11-16 | Motorola, Inc. | Self-biased voltage controlled oscillator (VCO) method and apparatus |
US6172571B1 (en) | 1998-07-28 | 2001-01-09 | Cypress Semiconductor Corp. | Method for reducing static phase offset in a PLL |
US6292507B1 (en) * | 1999-09-01 | 2001-09-18 | Lexmark International, Inc. | Method and apparatus for compensating a spread spectrum clock generator |
US6779126B1 (en) * | 2000-08-31 | 2004-08-17 | Micron Technology, Inc. | Phase detector for all-digital phase locked and delay locked loops |
WO2002060063A1 (en) * | 2001-01-26 | 2002-08-01 | True Circuits, Inc. | Self-biasing phase-locked loop system |
US6658043B2 (en) * | 2001-10-26 | 2003-12-02 | Lexmark International, Inc. | Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies |
US20040135640A1 (en) * | 2002-01-28 | 2004-07-15 | Maneatis John G. | Phase-locked loop with conditioned charge pump output |
US6700420B2 (en) * | 2002-04-18 | 2004-03-02 | Koninklijke Philips Electronics N.V. | Differential output structure with reduced skew for a single input |
US7078977B2 (en) * | 2002-09-06 | 2006-07-18 | True Circuits, Inc. | Fast locking phase-locked loop |
US7019595B1 (en) * | 2002-10-25 | 2006-03-28 | Ralink Technology, Inc. | Frequency synthesizer with automatic tuning control to increase tuning range |
US20050063506A1 (en) * | 2003-09-23 | 2005-03-24 | Sony Corporation | Method and system for jitter correction |
US7777541B1 (en) | 2006-02-01 | 2010-08-17 | Cypress Semiconductor Corporation | Charge pump circuit and method for phase locked loop |
KR100979115B1 (ko) * | 2007-12-21 | 2010-08-31 | 주식회사 하이닉스반도체 | 바이어스전압 생성회로 및 위상고정루프 |
US7692462B2 (en) * | 2008-01-25 | 2010-04-06 | Himax Technologies Limited | Delay-locked loop and a stabilizing method thereof |
US8094769B2 (en) * | 2008-07-25 | 2012-01-10 | Freescale Semiconductor, Inc. | Phase-locked loop system with a phase-error spreading circuit |
US9473120B1 (en) * | 2015-05-18 | 2016-10-18 | Qualcomm Incorporated | High-speed AC-coupled inverter-based buffer with replica biasing |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4151485A (en) * | 1977-11-21 | 1979-04-24 | Rockwell International Corporation | Digital clock recovery circuit |
US4667170A (en) * | 1985-09-26 | 1987-05-19 | Western Digital Corporation | Voltage controlled oscillator with self-adjustment of operating point |
DE3634751A1 (de) * | 1986-10-11 | 1988-04-14 | Thomson Brandt Gmbh | Phasendiskriminator, insbesondere fuer eine pll-schaltung |
US4942370A (en) * | 1988-04-08 | 1990-07-17 | Ricoh Company, Ltd. | PLL circuit with band width varying in accordance with the frequency of an input signal |
US4988960A (en) * | 1988-12-21 | 1991-01-29 | Yamaha Corporation | FM demodulation device and FM modulation device employing a CMOS signal delay device |
US5036216A (en) * | 1990-03-08 | 1991-07-30 | Integrated Circuit Systems, Inc. | Video dot clock generator |
JPH0799807B2 (ja) * | 1990-03-09 | 1995-10-25 | 株式会社東芝 | 位相同期回路 |
US5175884A (en) * | 1990-06-01 | 1992-12-29 | Motorola, Inc. | Voltage controlled oscillator with current control |
US5068628A (en) * | 1990-11-13 | 1991-11-26 | Level One Communications, Inc. | Digitally controlled timing recovery loop |
US5036294A (en) * | 1990-12-03 | 1991-07-30 | Motorola Inc. | Phase locked loop having low-frequency jitter compensation |
-
1993
- 1993-03-01 US US08/024,064 patent/US5375148A/en not_active Expired - Fee Related
- 1993-12-23 EP EP97116855A patent/EP0817389A1/de not_active Withdrawn
- 1993-12-23 DE DE69324792T patent/DE69324792T2/de not_active Expired - Fee Related
- 1993-12-23 EP EP93120757A patent/EP0614275B1/de not_active Expired - Lifetime
-
1994
- 1994-02-28 JP JP05512294A patent/JP3487896B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06276092A (ja) | 1994-09-30 |
EP0817389A1 (de) | 1998-01-07 |
JP3487896B2 (ja) | 2004-01-19 |
DE69324792D1 (de) | 1999-06-10 |
EP0614275A3 (de) | 1994-11-17 |
EP0614275A2 (de) | 1994-09-07 |
US5375148A (en) | 1994-12-20 |
EP0614275B1 (de) | 1999-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: MOTOROLA INC.(N.D.GES.D. STAATES DELAWARE), SCHAUM |
|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |