DE69225271D1 - Spannungsgesteuerter Oszillator mit Mehrfachschleife - Google Patents
Spannungsgesteuerter Oszillator mit MehrfachschleifeInfo
- Publication number
- DE69225271D1 DE69225271D1 DE69225271T DE69225271T DE69225271D1 DE 69225271 D1 DE69225271 D1 DE 69225271D1 DE 69225271 T DE69225271 T DE 69225271T DE 69225271 T DE69225271 T DE 69225271T DE 69225271 D1 DE69225271 D1 DE 69225271D1
- Authority
- DE
- Germany
- Prior art keywords
- controlled oscillator
- voltage controlled
- loop voltage
- loop
- oscillator
- 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
- 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
- H03L7/187—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 using means for coarse tuning the voltage controlled oscillator of the loop
- H03L7/189—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 using means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
-
- 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
- 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
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/717,660 US5142246A (en) | 1991-06-19 | 1991-06-19 | Multi-loop controlled VCO |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69225271D1 true DE69225271D1 (de) | 1998-06-04 |
DE69225271T2 DE69225271T2 (de) | 1998-10-15 |
Family
ID=24882957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69225271T Expired - Lifetime DE69225271T2 (de) | 1991-06-19 | 1992-06-12 | Spannungsgesteuerter Oszillator mit Mehrfachschleife |
Country Status (4)
Country | Link |
---|---|
US (1) | US5142246A (de) |
EP (1) | EP0519892B1 (de) |
DE (1) | DE69225271T2 (de) |
HK (1) | HK1010815A1 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5432480A (en) * | 1993-04-08 | 1995-07-11 | Northern Telecom Limited | Phase alignment methods and apparatus |
US5699387A (en) * | 1993-06-23 | 1997-12-16 | Ati Technologies Inc. | Phase offset cancellation technique for reducing low frequency jitters |
US5424689A (en) * | 1993-12-22 | 1995-06-13 | Motorola, Inc. | Filtering device for use in a phase locked loop controller |
WO1995034127A1 (en) * | 1994-06-03 | 1995-12-14 | Sierra Semiconductor Corporation | A three-state phase-detector/charge pump circuit with no dead-band region |
US5666084A (en) * | 1995-12-01 | 1997-09-09 | Motorola, Inc. | Multi-level demodulator and VCO circuit |
US5802450A (en) * | 1996-04-19 | 1998-09-01 | Ericsson Inc. | Transmit sequencing |
US6055231A (en) * | 1997-03-12 | 2000-04-25 | Interdigital Technology Corporation | Continuously adjusted-bandwidth discrete-time phase-locked loop |
FI107479B (fi) | 1997-08-06 | 2001-08-15 | Nokia Networks Oy | Askelohjattu taajuussyntetisaattori |
GB2330736B (en) * | 1997-10-24 | 2002-04-10 | Mitel Corp | Timing recovery with minimum jitter movement |
US5920207A (en) * | 1997-11-05 | 1999-07-06 | Hewlett Packard Company | Asynchronous phase detector having a variable dead zone |
JPH11195982A (ja) * | 1998-01-06 | 1999-07-21 | Nec Corp | Pll回路 |
US6188286B1 (en) | 1999-03-30 | 2001-02-13 | Infineon Technologies North America Corp. | Method and system for synchronizing multiple subsystems using one voltage-controlled oscillator |
SE519489C2 (sv) * | 1999-09-13 | 2003-03-04 | Ericsson Telefon Ab L M | VCO-omkopplare |
CA2295435C (en) * | 2000-01-06 | 2004-03-30 | Thomas Riley | Linear low noise phase locked loop frequency synthesizer using controlled divider pulse widths |
DE10050294B4 (de) * | 2000-10-10 | 2006-08-24 | Atmel Germany Gmbh | PLL-Schaltung |
US6813111B2 (en) * | 2000-11-24 | 2004-11-02 | Texas Instruments Incorporated | Implementation method of digital phase-locked loop |
KR100880422B1 (ko) * | 2001-03-20 | 2009-01-29 | 지씨티 세미컨덕터 인코포레이티드 | 분수 보상방법을 갖는 분수분주 주파수 합성기 |
US8385476B2 (en) * | 2001-04-25 | 2013-02-26 | Texas Instruments Incorporated | Digital phase locked loop |
US6990164B2 (en) * | 2001-10-01 | 2006-01-24 | Freescale Semiconductor, Inc. | Dual steered frequency synthesizer |
JP3555608B2 (ja) * | 2001-11-30 | 2004-08-18 | 日本電気株式会社 | フェイズロックドループ回路及びクロック再生回路 |
US6927635B2 (en) * | 2003-08-14 | 2005-08-09 | Toshiba America Electronic Components, Inc. | Lock detectors having a narrow sensitivity range |
FR2884372A1 (fr) * | 2005-04-07 | 2006-10-13 | St Microelectronics Sa | Boucle a asservissement de phase |
US20090263872A1 (en) * | 2008-01-23 | 2009-10-22 | Complete Genomics Inc. | Methods and compositions for preventing bias in amplification and sequencing reactions |
KR20090050576A (ko) * | 2007-11-16 | 2009-05-20 | 엘지전자 주식회사 | 피엘엘 장치 및 방법 |
US8283984B2 (en) * | 2009-07-17 | 2012-10-09 | Real Tek Semiconductor Corp. | Method and apparatus of phase locking for reducing clock jitter due to charge leakage |
EP2602936B1 (de) * | 2011-12-07 | 2014-02-12 | Telefonaktiebolaget L M Ericsson (Publ) | Analoger Phasenregelkreis mit verbessertem Einrasten |
EP3590191A1 (de) | 2017-03-01 | 2020-01-08 | Telefonaktiebolaget LM Ericsson (Publ) | System zur phasenkalibrierung einer phasenregelschleife |
US11588488B1 (en) | 2021-12-09 | 2023-02-21 | Raytheon Company | Dual-loop phase-locking circuit |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1114532B (de) * | 1957-10-15 | 1961-10-05 | Telefunken Patent | Schaltungsanordnung zur Synchronisierung eines Schwingungserzeugers |
US3697690A (en) * | 1971-06-29 | 1972-10-10 | Bell Telephone Labor Inc | Dual-mode phase-locked loop with dead zone phase detector |
US3693099A (en) * | 1971-06-29 | 1972-09-19 | Bell Telephone Labor Inc | Dead zone phase detector |
US3862365A (en) * | 1971-11-12 | 1975-01-21 | Nippon Electric Co | Synchronizing system for a plurality of signal transmitters using oscillators of high frequency stability |
US3909735A (en) * | 1974-04-04 | 1975-09-30 | Ncr Co | Slow switch for bandwidth change in phase-locked loop |
US4077015A (en) * | 1976-01-06 | 1978-02-28 | Motorola, Inc. | Dual bandwidth loop filter with sweep generator |
US4129886A (en) * | 1976-03-01 | 1978-12-12 | Electrohome Limited | Digital remote control system |
US4724437A (en) * | 1976-04-02 | 1988-02-09 | The Marconi Company Limited | Signal acquisition circuit with variable bandwidth phase locked loop |
JPS5344110A (en) * | 1976-10-05 | 1978-04-20 | Saibanetsuto Kougiyou Kk | System for synchronizing and synthesizing frequency of radio transmitter*receiver |
US4131862A (en) * | 1977-10-13 | 1978-12-26 | Sperry Rand Corporation | Phase lock loop with narrow band lock-in and wideband acquisition characteristics |
US4243941A (en) * | 1978-12-07 | 1981-01-06 | Motorola, Inc. | Digital signal receiver having a dual bandwidth tracking loop |
US4200845A (en) * | 1978-12-22 | 1980-04-29 | Sperry Rand Corporation | Phase comparator with dual phase detectors |
US4322643A (en) * | 1980-04-28 | 1982-03-30 | Rca Corporation | Digital phase comparator with improved sensitivity for small phase differences |
US4365211A (en) * | 1980-10-31 | 1982-12-21 | Westinghouse Electric Corp. | Phase-locked loop with initialization loop |
US4494090A (en) * | 1981-04-06 | 1985-01-15 | Motorola, Inc. | Frequency modulation system for a frequency synthesizer |
US4472820A (en) * | 1981-04-06 | 1984-09-18 | Motorola, Inc. | Program swallow counting device using a single synchronous counter for frequency synthesizing |
US4403342A (en) * | 1981-04-06 | 1983-09-06 | Motorola, Inc. | Zone switching system for a frequency synthesized transceiver |
US4516083A (en) * | 1982-05-14 | 1985-05-07 | Motorola, Inc. | Fast lock PLL having out of lock detector control of loop filter and divider |
US4546329A (en) * | 1982-09-27 | 1985-10-08 | Motorola, Inc. | Frequency synthesizers adaptive loop filter with compensation for transients |
US4562411A (en) * | 1983-12-29 | 1985-12-31 | Rca Corporation | Prepositioning circuit for phase lock loop |
US4580107A (en) * | 1984-06-06 | 1986-04-01 | The United States Of America As Represented By The Secretary Of The Air Force | Phase lock acquisition system having FLL for coarse tuning and PLL for fine tuning |
US4587496A (en) * | 1984-09-12 | 1986-05-06 | General Signal Corporation | Fast acquisition phase-lock loop |
US4639688A (en) * | 1985-04-18 | 1987-01-27 | The United States Of America As Represented By The Secretary Of The Air Force | Wide-band phase locked loop amplifier apparatus |
US4855689A (en) * | 1987-02-13 | 1989-08-08 | Hughes Aircraft Company | Phase lock loop with switchable filter for acquisition and tracking modes |
US4771249A (en) * | 1987-05-26 | 1988-09-13 | Motorola, Inc. | Phase locked loop having a filter with controlled variable bandwidth |
US4868513A (en) * | 1987-09-11 | 1989-09-19 | Amdahl Corporation | Phase-locked loop with redundant reference input |
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 |
US4827225A (en) * | 1988-06-13 | 1989-05-02 | Unisys Corporation | Fast locking phase-locked loop utilizing frequency estimation |
US4940950A (en) * | 1988-08-12 | 1990-07-10 | Tel-Instrument Electronics Corporation | Frequency synthesis method and apparatus using approximation to provide closely spaced discrete frequencies over a wide range with rapid acquisition |
US4937536A (en) * | 1988-08-19 | 1990-06-26 | Hughes Aircraft Company | Fast settling phase lock loop |
US4885553A (en) * | 1988-11-30 | 1989-12-05 | Motorola, Inc. | Continuously adaptive phase locked loop synthesizer |
US4920320A (en) * | 1988-12-19 | 1990-04-24 | Motorola, Inc. | Phase locked loop with optimally controlled bandwidth |
US4928075A (en) * | 1989-06-26 | 1990-05-22 | Digital Equipment Corporation | Multiple bandwidth filter system for phase locked loop |
GB2235839B (en) * | 1989-08-22 | 1993-06-16 | Plessey Co Plc | Phase detector |
-
1991
- 1991-06-19 US US07/717,660 patent/US5142246A/en not_active Expired - Lifetime
-
1992
- 1992-06-12 EP EP92850140A patent/EP0519892B1/de not_active Expired - Lifetime
- 1992-06-12 DE DE69225271T patent/DE69225271T2/de not_active Expired - Lifetime
-
1998
- 1998-10-29 HK HK98111625A patent/HK1010815A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5142246A (en) | 1992-08-25 |
DE69225271T2 (de) | 1998-10-15 |
EP0519892B1 (de) | 1998-04-29 |
EP0519892A2 (de) | 1992-12-23 |
EP0519892A3 (de) | 1993-07-07 |
HK1010815A1 (en) | 1999-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R071 | Expiry of right |
Ref document number: 519892 Country of ref document: EP |