DE69828239D1 - Selbstkalibrierender Phasenregelkreis - Google Patents

Selbstkalibrierender Phasenregelkreis

Info

Publication number
DE69828239D1
DE69828239D1 DE69828239T DE69828239T DE69828239D1 DE 69828239 D1 DE69828239 D1 DE 69828239D1 DE 69828239 T DE69828239 T DE 69828239T DE 69828239 T DE69828239 T DE 69828239T DE 69828239 D1 DE69828239 D1 DE 69828239D1
Authority
DE
Germany
Prior art keywords
self
locked loop
calibrating phase
calibrating
phase
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
Application number
DE69828239T
Other languages
English (en)
Other versions
DE69828239T2 (de
Inventor
William B Wilson
Un-Ku Moon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Application granted granted Critical
Publication of DE69828239D1 publication Critical patent/DE69828239D1/de
Publication of DE69828239T2 publication Critical patent/DE69828239T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087Details 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/099Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089Details 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
    • H03L7/0891Details 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/099Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0995Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/10Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/107Details 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18Indirect 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
    • H03L7/183Indirect 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
DE69828239T 1997-10-14 1998-10-13 Selbstkalibrierender Phasenregelkreis Expired - Lifetime DE69828239T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US6399497P 1997-10-14 1997-10-14
US63994P 1997-10-14
US09/008,798 US5942949A (en) 1997-10-14 1998-01-20 Self-calibrating phase-lock loop with auto-trim operations for selecting an appropriate oscillator operating curve
US8798 1998-01-20

Publications (2)

Publication Number Publication Date
DE69828239D1 true DE69828239D1 (de) 2005-01-27
DE69828239T2 DE69828239T2 (de) 2005-12-15

Family

ID=26678638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69828239T Expired - Lifetime DE69828239T2 (de) 1997-10-14 1998-10-13 Selbstkalibrierender Phasenregelkreis

Country Status (4)

Country Link
US (2) US5942949A (de)
EP (1) EP0910170B1 (de)
JP (1) JP3286604B2 (de)
DE (1) DE69828239T2 (de)

Families Citing this family (161)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6181210B1 (en) * 1998-09-21 2001-01-30 Broadcom Corporation Low offset and low glitch energy charge pump for PLL-based timing recovery systems
US6229361B1 (en) * 1999-02-10 2001-05-08 Texas Instruments Incorporated Speed-up charge pump circuit to improve lock time for integer-N or fractional-N GSM wireless data/voice applications
US6211745B1 (en) * 1999-05-03 2001-04-03 Silicon Wave, Inc. Method and apparatus for digitally controlling the capacitance of an integrated circuit device using mos-field effect transistors
US6389092B1 (en) * 1999-08-11 2002-05-14 Newport Communications, Inc. Stable phase locked loop having separated pole
US6526113B1 (en) 1999-08-11 2003-02-25 Broadcom Corporation GM cell based control loops
US6993106B1 (en) 1999-08-11 2006-01-31 Broadcom Corporation Fast acquisition phase locked loop using a current DAC
CA2281522C (en) 1999-09-10 2004-12-07 Philsar Electronics Inc. Delta-sigma based two-point angle modulation scheme
US6420917B1 (en) * 1999-10-01 2002-07-16 Ericsson Inc. PLL loop filter with switched-capacitor resistor
DE19959265A1 (de) * 1999-12-03 2001-06-07 Deutsche Telephonwerk Kabel Verfahren zum Regeln der von einem frequenzsteuerbaren Oszillator abgegebenen Ausgangsfrequenz
JP3488180B2 (ja) * 2000-05-30 2004-01-19 松下電器産業株式会社 周波数シンセサイザ
US6807225B1 (en) * 2000-05-31 2004-10-19 Conexant Systems, Inc. Circuit and method for self trimming frequency acquisition
US6407600B1 (en) * 2000-06-27 2002-06-18 Intel Corporation Method and apparatus for providing a start-up control voltage
AU2001275880A1 (en) * 2000-07-10 2002-01-21 Silicon Laboratories, Inc. Digitally-synthesized loop filter circuit particularly useful for a phase locked loop
EP1189347A1 (de) 2000-09-15 2002-03-20 Texas Instruments France Elektronisch abgeglichener spannungsgesteuerter Oszillator
DE60023895T2 (de) * 2000-09-15 2006-07-27 Alcatel Spannungsgesteuerter Oszillator mit automatischer Mittenfrequenzeinstellung
WO2002027914A2 (en) * 2000-09-29 2002-04-04 Broadcom Corporation Multi-frequency band controlled oscillator
EP1193879A1 (de) 2000-09-29 2002-04-03 Koninklijke Philips Electronics N.V. Rauscharmer und schnellansprechender Frequenzsynthesierer, und übereinstimmendes Verfahren zur Frequenzsynthese
DE10059094A1 (de) * 2000-11-28 2002-06-06 Atmel Germany Gmbh Verfahren zur Korrektur eines Frequenzoffsets in einer PLL-Schaltung
US6552618B2 (en) 2000-12-13 2003-04-22 Agere Systems Inc. VCO gain self-calibration for low voltage phase lock-loop applications
US6525949B1 (en) * 2000-12-22 2003-02-25 Matrix Semiconductor, Inc. Charge pump circuit
US6404289B1 (en) 2000-12-22 2002-06-11 Atheros Communications, Inc. Synthesizer with lock detector, lock algorithm, extended range VCO, and a simplified dual modulus divider
FI113112B (fi) * 2000-12-22 2004-02-27 Nokia Corp Menetelmä oskillaattorin säätämiseksi
JP3414382B2 (ja) * 2001-01-09 2003-06-09 日本電気株式会社 Pll回路及びその制御方法
US6496075B2 (en) 2001-03-14 2002-12-17 Ericsson Inc. Automatic tuning of VCO
US6553089B2 (en) * 2001-03-20 2003-04-22 Gct Semiconductor, Inc. Fractional-N frequency synthesizer with fractional compensation method
JP4540247B2 (ja) * 2001-04-13 2010-09-08 日本テキサス・インスツルメンツ株式会社 Pll回路
JP2002318265A (ja) * 2001-04-24 2002-10-31 Hitachi Ltd 半導体集積回路及び半導体集積回路のテスト方法
US6424229B1 (en) 2001-06-04 2002-07-23 Ericsson Inc. Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same
ITMI20011291A1 (it) * 2001-06-19 2002-12-19 St Microelectronics Srl Metodo di calibrazione automatica di un sistema ad aggancio di fase
US6504437B1 (en) * 2001-06-26 2003-01-07 Agere Systems Inc. Low-noise, fast-lock phase-lock loop with “gearshifting” control
US7171170B2 (en) 2001-07-23 2007-01-30 Sequoia Communications Envelope limiting for polar modulators
JP3808338B2 (ja) * 2001-08-30 2006-08-09 株式会社ルネサステクノロジ 位相同期回路
US6985703B2 (en) 2001-10-04 2006-01-10 Sequoia Corporation Direct synthesis transmitter
US6549079B1 (en) * 2001-11-09 2003-04-15 Analog Devices, Inc. Feedback systems for enhanced oscillator switching time
GB0127537D0 (en) * 2001-11-16 2002-01-09 Hitachi Ltd A communication semiconductor integrated circuit device and a wireless communication system
US6816031B1 (en) * 2001-12-04 2004-11-09 Formfactor, Inc. Adjustable delay transmission line
US7009432B2 (en) * 2001-12-20 2006-03-07 Analog Devices, Inc. Self-calibrating phase locked loop charge pump system and method
US6828654B2 (en) 2001-12-27 2004-12-07 Broadcom Corporation Thick oxide P-gate NMOS capacitor for use in a phase-locked loop circuit and method of making same
US6608522B1 (en) * 2002-04-05 2003-08-19 Microtune (Texas), L.P. DC-to-DC converter providing stable operation
US6856205B1 (en) * 2002-04-17 2005-02-15 Sequoia Communications VCO with automatic calibration
US6661267B2 (en) 2002-05-06 2003-12-09 International Business Machines Corporation Coarse calibration circuit using variable step sizes to reduce jitter and a dynamic course calibration (DCC) circuit for a 2 GHz VCO
US6853261B1 (en) 2002-05-07 2005-02-08 Rfmd Wpan, Inc. Method and apparatus for calibrating voltage-controlled devices
JP4029138B2 (ja) * 2002-05-20 2008-01-09 富士通株式会社 周波数シンセサイザ回路
US7489916B1 (en) 2002-06-04 2009-02-10 Sequoia Communications Direct down-conversion mixer architecture
US6987424B1 (en) 2002-07-02 2006-01-17 Silicon Laboratories Inc. Narrow band clock multiplier unit
US6885252B2 (en) * 2002-07-09 2005-04-26 Mediatex Inc. Clock recovery circuit capable of automatically adjusting frequency range of a VCO
US6778024B2 (en) * 2002-11-14 2004-08-17 Gennum Corporation Dynamically trimmed voltage controlled oscillator
US6838918B1 (en) * 2002-11-19 2005-01-04 Xilinx, Inc. Hard phase alignment of clock signals using asynchronous level-mode state machine
US7660998B2 (en) 2002-12-02 2010-02-09 Silverbrook Research Pty Ltd Relatively unique ID in integrated circuit
US6822519B1 (en) 2003-02-10 2004-11-23 Analog Devices, Inc. Synthesizer structures and alignment methods that facilitate quadrature demodulation
WO2004075414A1 (en) * 2003-02-14 2004-09-02 Mcdonald James J Iii Circuitry to reduce pll lock acquisition time
US6774732B1 (en) * 2003-02-14 2004-08-10 Motorola, Inc. System and method for coarse tuning a phase locked loop (PLL) synthesizer using 2-PI slip detection
DE10308643A1 (de) * 2003-02-27 2004-09-16 Infineon Technologies Ag Phasenregelanordnung
EP1460762B1 (de) * 2003-03-18 2008-11-05 Texas Instruments Incorporated Schnelles, genaues Abgleichverfahren für einen elektronisch justierbaren VCO
JP2004289703A (ja) * 2003-03-25 2004-10-14 Renesas Technology Corp 通信用半導体集積回路
US7349514B2 (en) * 2003-04-01 2008-03-25 Seiko Epson Corporation Frequency/phase locked loop clock synthesizer using an all digital frequency detector and an analog phase detector
US7109813B2 (en) * 2003-06-12 2006-09-19 Broadcom Corporation Fast starting on-chip crystal oscillation circuit
US7023260B2 (en) * 2003-06-30 2006-04-04 Matrix Semiconductor, Inc. Charge pump circuit incorporating corresponding parallel charge pump stages and method therefor
DE10335835B4 (de) * 2003-08-05 2006-07-06 Infineon Technologies Ag Phasenregelkreis und Verfahren zum Einstellen eines Signals in einem Phasenregelkreis
US6998889B2 (en) * 2003-08-11 2006-02-14 Rambus Inc. Circuit, apparatus and method for obtaining a lock state value
US7254507B2 (en) 2003-08-27 2007-08-07 Matsushita Electric Industrial Co., Ltd. Analog circuit automatic calibration system
US7046093B1 (en) 2003-08-27 2006-05-16 Intergrated Device Technology, Inc. Dynamic phase-locked loop circuits and methods of operation thereof
US7263152B2 (en) * 2003-11-18 2007-08-28 Analog Devices, Inc. Phase-locked loop structures with enhanced signal stability
GB2408398B (en) * 2003-11-18 2005-11-23 Motorola Inc Calibration device for a phased locked loop synthesiser
US6975176B2 (en) * 2003-11-20 2005-12-13 Agilent Technologies, Inc. Self-tuning varactor system
US7609118B1 (en) 2003-12-29 2009-10-27 Sequoia Communications Phase-locked loop calibration system
US7496338B1 (en) 2003-12-29 2009-02-24 Sequoia Communications Multi-segment gain control system
TWI373925B (en) * 2004-02-10 2012-10-01 Tridev Res L L C Tunable resonant circuit, tunable voltage controlled oscillator circuit, tunable low noise amplifier circuit and method of tuning a resonant circuit
US7508898B2 (en) * 2004-02-10 2009-03-24 Bitwave Semiconductor, Inc. Programmable radio transceiver
EP1564890A1 (de) * 2004-02-13 2005-08-17 Ecole Polytechnique Federale De Lausanne Analoges selbstkalibrierendes Verfahren und Vorrichtung für einen rauscharmen, schnellen und breitbandigen Phasenregelkreis
EP1723518A1 (de) * 2004-03-09 2006-11-22 Bayerische Motorenwerke Aktiengesellschaft Aktualisierung und/oder erweiterung der funktionalität der ablaufsteuerung mindestens eines steuergeräts
US7049866B2 (en) * 2004-03-24 2006-05-23 Agere Systems Inc. Compensating for leakage currents in loop filter capacitors in PLLs and the like
EP1583221A1 (de) 2004-03-31 2005-10-05 NEC Compound Semiconductor Devices, Ltd. PLL-Frequenzsynthetisiererschaltung und Frequenzabstimmungsverfahren dazu
US7522017B1 (en) 2004-04-21 2009-04-21 Sequoia Communications High-Q integrated RF filters
US7672648B1 (en) 2004-06-26 2010-03-02 Quintics Holdings System for linear amplitude modulation
DE602004011937D1 (de) * 2004-09-15 2008-04-03 St Microelectronics Srl Methode zum Kalibrieren der Frequenz eines Oszillators in einer Phasenregelschleife
DE102004057186B4 (de) * 2004-11-26 2007-10-31 Texas Instruments Deutschland Gmbh PLL-Schaltung mit einem spannungsgesteuerten Oszillator
JP4192888B2 (ja) * 2004-12-17 2008-12-10 日本電気株式会社 Pll回路及びその制御方法
US7148754B2 (en) * 2004-12-30 2006-12-12 Lucent Technologies Inc. Self-tunable phase lock loop
US7151414B2 (en) * 2005-01-26 2006-12-19 Texas Instruments Incorporated Method and circuit for frequency synthesis using a low drift current controlled oscillator with wide output frequency range
US7548122B1 (en) 2005-03-01 2009-06-16 Sequoia Communications PLL with switched parameters
US7479815B1 (en) 2005-03-01 2009-01-20 Sequoia Communications PLL with dual edge sensitivity
US7116178B2 (en) * 2005-03-03 2006-10-03 Agere Systems Inc. Voltage-controlled oscillator with gain proportional to operating frequency
US7675379B1 (en) 2005-03-05 2010-03-09 Quintics Holdings Linear wideband phase modulation system
US7595626B1 (en) 2005-05-05 2009-09-29 Sequoia Communications System for matched and isolated references
US7312663B2 (en) * 2005-06-16 2007-12-25 Lsi Corporation Phase-locked loop having a bandwidth related to its input frequency
TWI312613B (en) * 2005-10-06 2009-07-21 Novatek Microelectronics Corp Calibration circuit and operation method for voltage-controlled oscillator
US7432773B2 (en) * 2005-10-26 2008-10-07 Microchip Technology Incorporated Method, system and apparatus for reducing oscillator frequency spiking during oscillator frequency adjustment
US7239188B1 (en) * 2005-11-01 2007-07-03 Integrated Device Technology, Inc. Locked-loop integrated circuits having speed tracking circuits therein
US20070205200A1 (en) * 2006-03-02 2007-09-06 Brain Box Concepts Soap bar holder and method of supporting a soap bar
TWI313970B (en) * 2006-03-30 2009-08-21 Realtek Semiconductor Corp Method and apparatus for generating output signal
US7974374B2 (en) 2006-05-16 2011-07-05 Quintic Holdings Multi-mode VCO for direct FM systems
US20080007365A1 (en) 2006-06-15 2008-01-10 Jeff Venuti Continuous gain compensation and fast band selection in a multi-standard, multi-frequency synthesizer
US7672645B2 (en) 2006-06-15 2010-03-02 Bitwave Semiconductor, Inc. Programmable transmitter architecture for non-constant and constant envelope modulation
US7679468B1 (en) 2006-07-28 2010-03-16 Quintic Holdings KFM frequency tracking system using a digital correlator
US7522005B1 (en) 2006-07-28 2009-04-21 Sequoia Communications KFM frequency tracking system using an analog correlator
US20080036544A1 (en) * 2006-08-08 2008-02-14 Fucheng Wang Method for adjusting oscillator in phase-locked loop and related frequency synthesizer
US8487707B2 (en) 2006-08-08 2013-07-16 Mstar Semiconductor, Inc. Frequency synthesizer
US7894545B1 (en) 2006-08-14 2011-02-22 Quintic Holdings Time alignment of polar transmitter
US7920033B1 (en) 2006-09-28 2011-04-05 Groe John B Systems and methods for frequency modulation adjustment
WO2008044350A1 (fr) 2006-10-12 2008-04-17 Panasonic Corporation Circuit pll
KR100847687B1 (ko) * 2006-10-20 2008-07-23 (주)에프씨아이 주파수합성기 및 주파수조절방법
US20080111642A1 (en) * 2006-11-09 2008-05-15 Jose Bohorquez Apparatus and methods for vco linearization
US7973608B2 (en) 2006-11-30 2011-07-05 Semiconductor Energy Laboratory Co., Ltd. Phase locked loop, semiconductor device, and wireless tag
US7495500B2 (en) * 2006-12-31 2009-02-24 Sandisk 3D Llc Method for using a multiple polarity reversible charge pump circuit
US7477093B2 (en) * 2006-12-31 2009-01-13 Sandisk 3D Llc Multiple polarity reversible charge pump circuit
US8334725B2 (en) * 2007-04-11 2012-12-18 Mediatek Inc. Circuit and method for controlling mixed mode controlled oscillator and CDR circuit using the same
JP2008306331A (ja) * 2007-06-06 2008-12-18 Toshiba Corp 半導体集積回路装置
KR100889734B1 (ko) * 2007-09-11 2009-03-24 한국전자통신연구원 Tdd 방식 통신 장치 및 그 동작 방법
US7902928B2 (en) * 2008-02-08 2011-03-08 Mediatek Inc. Phase-locked circuit employing capacitance multiplication
US7834708B1 (en) * 2008-04-30 2010-11-16 Integrated Device Technology, Inc. Method and apparatus for analog smooth switch in VCO loading control
US7764128B2 (en) * 2008-06-27 2010-07-27 Visteon Global Technologies, Inc. Integrated circuit with non-crystal oscillator reference clock
JP5231931B2 (ja) * 2008-10-10 2013-07-10 キヤノン株式会社 Pll回路
US8085098B2 (en) * 2008-10-10 2011-12-27 Canon Kabushiki Kaisha PLL circuit
GB0821772D0 (en) * 2008-11-28 2009-01-07 Zarlink Semiconductor Inc Soft reference switch for phase locked loop
US8275087B2 (en) * 2008-12-19 2012-09-25 Alcatel Lucent Frequency synchronization using first and second frequency error estimators
JP5365323B2 (ja) * 2009-04-20 2013-12-11 ソニー株式会社 クロックデータリカバリ回路および逓倍クロック生成回路
JP5263887B2 (ja) 2009-04-22 2013-08-14 フリースケール セミコンダクター インコーポレイテッド 自動調整発振器
EP2253966B1 (de) * 2009-05-18 2014-04-30 Dialog Semiconductor GmbH Selbstanpassung und Selbsttest von On-Chip-Werten
US8368480B2 (en) * 2009-06-24 2013-02-05 Mediatek Inc. Phase locked loop circuits and gain calibration methods thereof
US8446191B2 (en) 2009-12-07 2013-05-21 Qualcomm Incorporated Phase locked loop with digital compensation for analog integration
US8339165B2 (en) * 2009-12-07 2012-12-25 Qualcomm Incorporated Configurable digital-analog phase locked loop
US8085099B2 (en) 2010-04-06 2011-12-27 Sandisk Technologies Inc. Self-calibrating relaxation oscillator based clock source
US8130047B2 (en) 2010-04-30 2012-03-06 Texas Instruments Incorporated Open loop coarse tuning for a PLL
KR101199780B1 (ko) * 2010-06-11 2012-11-12 (주)에프씨아이 주파수 합성기의 주파수 보정 장치 및 그 방법
US8237510B2 (en) 2010-08-18 2012-08-07 International Business Machines Corporation Implementing phase locked loop (PLL) with enhanced locking capability with a wide range dynamic reference clock
TWI419471B (zh) * 2010-11-19 2013-12-11 Mstar Semiconductor Inc 具有校正功能之鎖相迴路及其校正方法
KR20120063864A (ko) * 2010-12-08 2012-06-18 한국전자통신연구원 차동 제어 위상 고정 루프 회로
JP5765006B2 (ja) * 2011-03-29 2015-08-19 ソニー株式会社 位相同期装置および位相同期回路の周波数キャリブレーション方法、並びにプログラム
TWI470935B (zh) * 2011-09-20 2015-01-21 Mstar Semiconductor Inc 鎖相迴路以及相關之相位對齊方法
WO2013101231A1 (en) * 2011-12-30 2013-07-04 Intel Corporation Digitally switched capacitor loop filter
CN103427834B (zh) * 2012-05-22 2016-04-13 瑞昱半导体股份有限公司 锁相回路电路
US9083356B1 (en) 2013-03-14 2015-07-14 Gsi Technology, Inc. Systems and methods of phase-locked loop involving closed-loop, continuous frequency range, auto calibration and/or other features
US8872556B1 (en) * 2013-04-30 2014-10-28 Micrel, Inc. PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching using charge pump current modulation
US9030241B2 (en) 2013-04-30 2015-05-12 Micrel, Inc. PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching
US9696359B2 (en) * 2014-12-31 2017-07-04 Texas Instruments Incorporated Dynamic measurement of frequency synthesizer noise spurs or phase noise
US10847212B1 (en) 2016-12-06 2020-11-24 Gsi Technology, Inc. Read and write data processing circuits and methods associated with computational memory cells using two read multiplexers
US10777262B1 (en) 2016-12-06 2020-09-15 Gsi Technology, Inc. Read data processing circuits and methods associated memory cells
US10891076B1 (en) 2016-12-06 2021-01-12 Gsi Technology, Inc. Results processing circuits and methods associated with computational memory cells
US10998040B2 (en) 2016-12-06 2021-05-04 Gsi Technology, Inc. Computational memory cell and processing array device using the memory cells for XOR and XNOR computations
US10860320B1 (en) 2016-12-06 2020-12-08 Gsi Technology, Inc. Orthogonal data transposition system and method during data transfers to/from a processing array
US11227653B1 (en) 2016-12-06 2022-01-18 Gsi Technology, Inc. Storage array circuits and methods for computational memory cells
US10847213B1 (en) 2016-12-06 2020-11-24 Gsi Technology, Inc. Write data processing circuits and methods associated with computational memory cells
US10943648B1 (en) 2016-12-06 2021-03-09 Gsi Technology, Inc. Ultra low VDD memory cell with ratioless write port
US10521229B2 (en) 2016-12-06 2019-12-31 Gsi Technology, Inc. Computational memory cell and processing array device using memory cells
US10770133B1 (en) 2016-12-06 2020-09-08 Gsi Technology, Inc. Read and write data processing circuits and methods associated with computational memory cells that provides write inhibits and read bit line pre-charge inhibits
US10854284B1 (en) 2016-12-06 2020-12-01 Gsi Technology, Inc. Computational memory cell and processing array device with ratioless write port
EP3361639A1 (de) 2017-02-14 2018-08-15 ams AG Programmierbares vco, verfahren zur kalibrierung des vco, pll-schaltung mit programmierbarem vco und einstellverfahren der pll-schaltung
EP3439180B1 (de) 2017-08-02 2023-03-15 ams AG Phasenregelkreisschaltung
EP3487076A1 (de) 2017-11-15 2019-05-22 ams AG Phasenregelschleifenschaltung mit transkonduktanz-entwurf mit niedriger variation
US10528076B2 (en) 2017-11-28 2020-01-07 Western Digital Technologies, Inc. Clock retiming circuit
TWI634748B (zh) * 2017-12-05 2018-09-01 財團法人工業技術研究院 量測系統及其鎖相迴路暨量測方法
JP6906460B2 (ja) * 2018-02-23 2021-07-21 ルネサスエレクトロニクス株式会社 Pll回路、それを備えた半導体装置、及び、pll回路の制御方法
CN110224697B (zh) * 2019-06-18 2022-11-04 苏州兆凯电子有限公司 一种锁相环锁定方法、锁相环电路及通信收发系统
US10930341B1 (en) 2019-06-18 2021-02-23 Gsi Technology, Inc. Processing array device that performs one cycle full adder operation and bit line read/write logic features
US10877731B1 (en) 2019-06-18 2020-12-29 Gsi Technology, Inc. Processing array device that performs one cycle full adder operation and bit line read/write logic features
US10958272B2 (en) 2019-06-18 2021-03-23 Gsi Technology, Inc. Computational memory cell and processing array device using complementary exclusive or memory cells
US11056210B1 (en) 2020-02-13 2021-07-06 Dialog Semiconductor (Uk) Limited Electrical circuit comprising a trim circuit
US11604267B2 (en) 2020-08-07 2023-03-14 Stmicroelectronics S.R.L. Oscillator circuit, corresponding radar sensor, vehicle and method of operation
US11959995B2 (en) 2020-08-07 2024-04-16 Stmicroelectronics S.R.L. Phase-locked loop circuit, corresponding radar sensor, vehicle and method of operation

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563657A (en) * 1982-03-15 1986-01-07 Codex Corporation Frequency synthesizer and digital phase lock loop
US4503401A (en) * 1982-08-04 1985-03-05 Allied Corporation Wideband phase locked loop tracking oscillator for radio altimeter
US4568888A (en) * 1983-11-08 1986-02-04 Trw Inc. PLL Fast frequency synthesizer with memories for coarse tuning and loop gain correction
DE3526363A1 (de) * 1985-07-19 1987-01-22 Siemens Ag Verfahren zum herstellen eines einstellbaren frequenzgenerators
KR900003073B1 (ko) * 1986-03-26 1990-05-07 가부시끼가이샤 히다찌 세이사꾸쇼 전압 제어 발진기 및 그것을 사용한 위상 동기 장치
US4980652A (en) * 1988-09-02 1990-12-25 Nippon Telegraph And Telephone Corporation Frequency synthesizer having compensation for nonlinearities
JPH03235512A (ja) * 1990-02-13 1991-10-21 Oki Electric Ind Co Ltd 電圧制御発振回路
US5257294A (en) * 1990-11-13 1993-10-26 National Semiconductor Corporation Phase-locked loop circuit and method
IL96351A (en) * 1990-11-14 1994-01-25 Zuta Marc Frequency synthesizer having microcomputer supplying analog and digital control signals to vco
JPH0529932A (ja) * 1991-07-24 1993-02-05 Matsushita Electric Ind Co Ltd クロツク切り換え装置
US5168245A (en) * 1991-10-30 1992-12-01 International Business Machines Corporation Monolithic digital phaselock loop circuit having an expanded pull-in range
US5363419A (en) * 1992-04-24 1994-11-08 Advanced Micro Devices, Inc. Dual phase-locked-loop having forced mid range fine control zero at handover
US5304955A (en) * 1992-11-19 1994-04-19 Motorola, Inc. Voltage controlled oscillator operating with digital controlled loads in a phase lock loop
US5382922A (en) * 1993-12-23 1995-01-17 International Business Machines Corporation Calibration systems and methods for setting PLL gain characteristics and center frequency
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
US5696468A (en) * 1996-02-29 1997-12-09 Qualcomm Incorporated Method and apparatus for autocalibrating the center frequency of a voltage controlled oscillator of a phase locked loop
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

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JPH11195983A (ja) 1999-07-21
US5942949A (en) 1999-08-24
EP0910170A3 (de) 1999-08-18
US6114920A (en) 2000-09-05
EP0910170B1 (de) 2004-12-22
EP0910170A2 (de) 1999-04-21
JP3286604B2 (ja) 2002-05-27

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