ATE309641T1 - Spannungsgesteuerter oszillator mit automatischer mittenfrequenzeinstellung - Google Patents
Spannungsgesteuerter oszillator mit automatischer mittenfrequenzeinstellungInfo
- Publication number
- ATE309641T1 ATE309641T1 AT00402564T AT00402564T ATE309641T1 AT E309641 T1 ATE309641 T1 AT E309641T1 AT 00402564 T AT00402564 T AT 00402564T AT 00402564 T AT00402564 T AT 00402564T AT E309641 T1 ATE309641 T1 AT E309641T1
- Authority
- AT
- Austria
- Prior art keywords
- voltage
- control
- controlled oscillator
- oscillator
- capacitor arrangement
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 abstract 5
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
-
- 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
- H03L7/105—Resetting the controlled oscillator when its frequency is outside a predetermined limit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/025—Varying the frequency of the oscillations by electronic means the means being an electronic switch for switching in or out oscillator elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00402564A EP1193875B1 (de) | 2000-09-15 | 2000-09-15 | Spannungsgesteuerter Oszillator mit automatischer Mittenfrequenzeinstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE309641T1 true ATE309641T1 (de) | 2005-11-15 |
Family
ID=8173868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00402564T ATE309641T1 (de) | 2000-09-15 | 2000-09-15 | Spannungsgesteuerter oszillator mit automatischer mittenfrequenzeinstellung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6556093B2 (de) |
EP (1) | EP1193875B1 (de) |
JP (1) | JP2002185318A (de) |
AT (1) | ATE309641T1 (de) |
DE (1) | DE60023895T2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2379104A (en) * | 2001-08-21 | 2003-02-26 | Zarlink Semiconductor Ltd | Voltage controlled oscillators |
JP2003124743A (ja) * | 2001-10-16 | 2003-04-25 | Oki Electric Ind Co Ltd | 電圧制御発振回路 |
GB0127537D0 (en) * | 2001-11-16 | 2002-01-09 | Hitachi Ltd | A communication semiconductor integrated circuit device and a wireless communication system |
US6891404B2 (en) * | 2002-06-11 | 2005-05-10 | Infineon Technologies | Auto-adjustment of self-refresh frequency |
US6778024B2 (en) | 2002-11-14 | 2004-08-17 | Gennum Corporation | Dynamically trimmed voltage controlled oscillator |
JP4071681B2 (ja) | 2003-07-24 | 2008-04-02 | 株式会社東芝 | 電圧制御発振器、周波数シンセサイザ及び通信システム |
US7263152B2 (en) | 2003-11-18 | 2007-08-28 | Analog Devices, Inc. | Phase-locked loop structures with enhanced signal stability |
US7498888B2 (en) | 2003-12-19 | 2009-03-03 | Nxp B.V. | Method and arrangement for interference compensation in a voltage-controlled frequency generator |
JP2007531404A (ja) | 2004-03-22 | 2007-11-01 | モビウス マイクロシステムズ,インク. | モノリシックなクロック・ジェネレータおよびタイミング/周波数リファレンス |
FR2871628B1 (fr) * | 2004-06-10 | 2006-08-11 | Commissariat Energie Atomique | Oscillateur controle en tension |
DE102004059987B4 (de) * | 2004-12-13 | 2010-09-30 | Infineon Technologies Ag | Spannungsgesteuerte Oszillatorschaltung mit analoger und digitaler Ansteuerung und phasenverriegelte Regelschleife mit einer solchen Oszillatorschaltung |
KR100839486B1 (ko) | 2005-03-07 | 2008-06-19 | 삼성전자주식회사 | 듀얼 모드 튜닝 디지털 제어 크리스탈 발진기 및 그 동작방법 |
US7471160B2 (en) * | 2007-01-02 | 2008-12-30 | International Business Machines Corporation | Real-time frequency band selection circuit for use with a voltage controlled oscillator |
US7661051B2 (en) * | 2007-04-04 | 2010-02-09 | Lsi Corporation | System to reduce programmable range specifications for a given target accuracy in calibrated electronic circuits |
US7728676B2 (en) | 2007-09-17 | 2010-06-01 | Atheros Communications, Inc. | Voltage-controlled oscillator with control range limiter |
US7675367B2 (en) * | 2007-10-30 | 2010-03-09 | International Business Machines Corporation | Design structure for an automated real-time frequency band selection circuit for use with a voltage controlled oscillator |
WO2009118587A1 (en) * | 2008-03-25 | 2009-10-01 | Freescale Semiconductor, Inc. | Phase lock loop circuit |
US7728631B2 (en) * | 2008-05-15 | 2010-06-01 | Atheros Communications, Inc. | Phase frequency detector with pulse width control circuitry |
US8130046B2 (en) * | 2009-03-19 | 2012-03-06 | Qualcomm Incorporated | Frequency calibration of radio frequency oscillators |
JP5556420B2 (ja) * | 2010-06-22 | 2014-07-23 | 富士通セミコンダクター株式会社 | 位相同期ループ回路および位相同期ループ回路の制御方法 |
US9065450B2 (en) | 2010-06-29 | 2015-06-23 | Freescale Semiconductor, Inc. | Integrated circuit device and method for generating a tuning signal for calibrating a voltage controlled oscillator |
JP5847527B2 (ja) | 2011-10-13 | 2016-01-27 | ルネサスエレクトロニクス株式会社 | ディジタル制御発振装置および高周波信号処理装置 |
US9515666B2 (en) | 2014-08-27 | 2016-12-06 | Freescale Semiconductor, Inc. | Method for re-centering a VCO, integrated circuit and wireless device |
US9407199B2 (en) | 2014-08-27 | 2016-08-02 | Freescale Semiconductor, Inc. | Integrated circuit comprising a frequency dependent circuit, wireless device and method of adjusting a frequency |
US10103740B2 (en) | 2015-11-02 | 2018-10-16 | Nxp Usa, Inc. | Method and apparatus for calibrating a digitally controlled oscillator |
CN108231735B (zh) * | 2017-12-21 | 2020-01-14 | 南京中感微电子有限公司 | 压控振荡器 |
CN108259036B (zh) * | 2018-01-09 | 2021-09-28 | 上海顺久电子科技有限公司 | Vco及其频率校准方法、电子设备及计算机存储介质 |
CN113285712B (zh) * | 2021-04-25 | 2022-05-17 | 中国电子科技集团公司第二十九研究所 | 一种应用于锁相环的多段式vco频率校准方法 |
EP4258551A1 (de) * | 2022-04-08 | 2023-10-11 | u-blox AG | Verfahren und system zur steuerung des rücksetzens eines oszillators |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2120478B (en) * | 1982-04-22 | 1985-10-16 | Standard Telephones Cables Ltd | Voltage controlled oscillator |
US4573025A (en) * | 1984-04-02 | 1986-02-25 | Motorola, Inc. | Drift-equalized, multi-frequency oscillator |
FR2614482B1 (fr) * | 1987-04-24 | 1989-07-28 | Thomson Semiconducteurs | Generateur de frequences de reference multiples |
US4941156A (en) * | 1987-05-19 | 1990-07-10 | Crystal Semiconductor | Linear jitter attenuator |
JP3019340B2 (ja) * | 1989-12-05 | 2000-03-13 | セイコーエプソン株式会社 | 可変容量装置 |
US5686864A (en) * | 1995-09-05 | 1997-11-11 | Motorola, Inc. | Method and apparatus for controlling a voltage controlled oscillator tuning range in a frequency synthesizer |
US5625325A (en) * | 1995-12-22 | 1997-04-29 | Microtune, Inc. | System and method for phase lock loop gain stabilization |
US5648744A (en) * | 1995-12-22 | 1997-07-15 | Microtune, Inc. | System and method for voltage controlled oscillator automatic band selection |
US5942949A (en) * | 1997-10-14 | 1999-08-24 | Lucent Technologies Inc. | Self-calibrating phase-lock loop with auto-trim operations for selecting an appropriate oscillator operating curve |
EP0944171A1 (de) * | 1998-03-17 | 1999-09-22 | Koninklijke Philips Electronics N.V. | Elektronisches Gerät mit einem Frequenzsynthetisierer und Verfahren zum Einstellen eines Frequenzsynthetisierers |
GB2337382B (en) * | 1998-05-16 | 2000-12-13 | Motorola Ltd | Voltage controlled oscillator |
JP2000082957A (ja) * | 1998-09-04 | 2000-03-21 | Tif:Kk | 発振周波数可変範囲調整方式 |
US6091304A (en) * | 1998-09-22 | 2000-07-18 | Lg Information & Communications, Ltd. | Frequency band select phase lock loop device |
US6133797A (en) * | 1999-07-30 | 2000-10-17 | Motorola, Inc. | Self calibrating VCO correction circuit and method of operation |
-
2000
- 2000-09-15 EP EP00402564A patent/EP1193875B1/de not_active Expired - Lifetime
- 2000-09-15 AT AT00402564T patent/ATE309641T1/de not_active IP Right Cessation
- 2000-09-15 DE DE60023895T patent/DE60023895T2/de not_active Expired - Fee Related
-
2001
- 2001-08-31 JP JP2001262910A patent/JP2002185318A/ja not_active Withdrawn
- 2001-09-13 US US09/950,803 patent/US6556093B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20020033741A1 (en) | 2002-03-21 |
EP1193875B1 (de) | 2005-11-09 |
US6556093B2 (en) | 2003-04-29 |
DE60023895D1 (de) | 2005-12-15 |
EP1193875A1 (de) | 2002-04-03 |
JP2002185318A (ja) | 2002-06-28 |
DE60023895T2 (de) | 2006-07-27 |
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Legal Events
Date | Code | Title | Description |
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |