IN2014CN00291A - - Google Patents
Info
- Publication number
- IN2014CN00291A IN2014CN00291A IN291CHN2014A IN2014CN00291A IN 2014CN00291 A IN2014CN00291 A IN 2014CN00291A IN 291CHN2014 A IN291CHN2014 A IN 291CHN2014A IN 2014CN00291 A IN2014CN00291 A IN 2014CN00291A
- Authority
- IN
- India
- Prior art keywords
- frequency synthesizer
- synthesizer circuit
- coupled
- circuit
- phase
- Prior art date
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
- H03L7/197—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
- H03L7/1976—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 numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Pulse Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/204,448 US8497716B2 (en) | 2011-08-05 | 2011-08-05 | Phase locked loop with phase correction in the feedback loop |
PCT/US2012/049226 WO2013022679A1 (fr) | 2011-08-05 | 2012-08-01 | Boucle à phase asservie à correction de phase dans la boucle de rétroaction |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014CN00291A true IN2014CN00291A (fr) | 2015-04-03 |
Family
ID=46750446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN291CHN2014 IN2014CN00291A (fr) | 2011-08-05 | 2012-08-01 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8497716B2 (fr) |
EP (1) | EP2740219B1 (fr) |
JP (1) | JP5908587B2 (fr) |
KR (1) | KR101633886B1 (fr) |
CN (1) | CN103814524B (fr) |
IN (1) | IN2014CN00291A (fr) |
WO (1) | WO2013022679A1 (fr) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103348596B (zh) * | 2011-02-04 | 2016-08-10 | 马维尔国际贸易有限公司 | 用于分数-n锁相环(pll)的参考时钟补偿 |
US9019016B2 (en) * | 2011-05-18 | 2015-04-28 | Asahi Kasei Microdevices Corporation | Accumulator-type fractional N-PLL synthesizer and control method thereof |
US8497716B2 (en) * | 2011-08-05 | 2013-07-30 | Qualcomm Incorporated | Phase locked loop with phase correction in the feedback loop |
US8629700B2 (en) * | 2012-01-19 | 2014-01-14 | Qualcomm Incorporated | Capacitive multiplication in a phase locked loop |
US8669890B2 (en) * | 2012-01-20 | 2014-03-11 | Mediatek Inc. | Method and apparatus of estimating/calibrating TDC mismatch |
US8786337B2 (en) * | 2012-05-14 | 2014-07-22 | Ensphere Solutions, Inc. | Low jitter clock generator for multiple lanes high speed data transmitter |
US8674731B1 (en) * | 2013-01-22 | 2014-03-18 | Applied Micro Circuits Corporations | Fractional phase-locked loop with dynamic divide ratio adjustment |
US9020089B2 (en) * | 2013-07-12 | 2015-04-28 | Infineon Technologies Ag | Phase-locked loop (PLL)-based frequency synthesizer |
US9762250B2 (en) | 2013-11-27 | 2017-09-12 | Silicon Laboratories Inc. | Cancellation of spurious tones within a phase-locked loop with a time-to-digital converter |
DE102014104478B4 (de) * | 2014-03-31 | 2022-05-12 | Apple Inc. | Eine Schaltung, eine integrierte Schaltung, ein Sender, ein Empfänger, ein Sende-Empfangs-Gerät, ein Verfahren zum Erhalten von Kalibrierungsdaten und ein Verfahren zum Erzeugen einesLokaloszillatorsignals |
US9768809B2 (en) * | 2014-06-30 | 2017-09-19 | Intel IP Corporation | Digital-to-time converter spur reduction |
EP3119000B1 (fr) * | 2015-07-17 | 2018-03-28 | Stichting IMEC Nederland | Boucle à verrouillage de phase totalement numérique |
US9379879B1 (en) * | 2015-08-03 | 2016-06-28 | Silicon Laboratories Inc. | Noise-shaping time-to-digital converter |
US9735952B2 (en) | 2015-09-22 | 2017-08-15 | Intel IP Corporation | Calibration of dynamic error in high resolution digital-to-time converters |
US10009167B2 (en) * | 2015-11-11 | 2018-06-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Carrier synchronization device |
FR3044188B1 (fr) * | 2015-11-25 | 2017-12-22 | Kalray | Limiteur de debit de type "seau a jetons" |
US9520890B1 (en) * | 2015-12-23 | 2016-12-13 | Intel IP Corporation | Dual digital to time converter (DTC) based differential correlated double sampling DTC calibration |
US9985639B2 (en) | 2016-01-05 | 2018-05-29 | Infineon Technologies Ag | Detection and mitigation of non-linearity of phase interpolator |
KR102442147B1 (ko) * | 2016-02-05 | 2022-09-14 | 에스케이하이닉스 주식회사 | 위상 및 주파수 조정 회로 |
CN105959003B (zh) | 2016-04-25 | 2019-02-26 | 华为技术有限公司 | 数字分频锁相环 |
EP3249817B1 (fr) * | 2016-05-25 | 2018-12-26 | IMEC vzw | Pll à base de dtc et son procédé de fonctionnement |
CN107528588A (zh) * | 2016-06-21 | 2017-12-29 | 马维尔国际贸易有限公司 | 模拟分数n锁相环 |
US9698807B1 (en) | 2016-06-30 | 2017-07-04 | Silicon Laboratories Inc. | Time signal conversion using dual time-based digital-to-analog converters |
US9853650B1 (en) * | 2016-11-21 | 2017-12-26 | Realtek Semiconductor Corp. | Method and apparatus of frequency synthesis |
US10050634B1 (en) * | 2017-02-10 | 2018-08-14 | Apple Inc. | Quantization noise cancellation for fractional-N phased-locked loop |
US10090845B1 (en) * | 2017-03-28 | 2018-10-02 | Stmicroelectronics International N.V. | Fraction-N digital PLL capable of canceling quantization noise from sigma-delta modulator |
US10439793B2 (en) * | 2017-05-03 | 2019-10-08 | Global Unichip Corporation | Device and method for recovering clock and data |
WO2019022695A1 (fr) * | 2017-07-24 | 2019-01-31 | Intel IP Corporation | Boucle à verrouillage de phase et procédé associé |
US20190068002A1 (en) * | 2017-08-29 | 2019-02-28 | Apple Inc. | Wireless Power System With Display Interference Mitigation |
US10541721B2 (en) * | 2017-09-26 | 2020-01-21 | Analog Devices Global Unlimited Company | Modulation index adjustment |
US10320401B2 (en) * | 2017-10-13 | 2019-06-11 | Xilinx, Inc. | Dual-path digital-to-time converter |
US10243671B1 (en) * | 2017-10-27 | 2019-03-26 | Ciena Corporation | Clock recovery circuits, systems and implementation for increased optical channel density |
US10680626B2 (en) * | 2017-10-27 | 2020-06-09 | Mediatek Inc. | Method and associated signal system improving mitigation of injection-pulling effect |
KR102527388B1 (ko) * | 2018-04-06 | 2023-04-28 | 삼성전자주식회사 | 디지털-타임 컨버터 회로를 포함하는 위상 고정 루프 회로, 클럭 신호 생성기 및 이의 동작 방법 |
US10707879B2 (en) * | 2018-04-13 | 2020-07-07 | KaiKuTek Inc. | Frequency-modulated continuous-wave radar system and frequency tracking method for calibrating frequency gains of a radio frequency signal to approach wideband flatness frequency responses |
CN108809305B (zh) * | 2018-05-02 | 2021-10-08 | 深圳市鼎阳科技股份有限公司 | 一种减小射频信号源杂散的方法和射频信号源 |
US11095295B2 (en) | 2018-06-26 | 2021-08-17 | Silicon Laboratories Inc. | Spur cancellation for spur measurement |
US10680622B2 (en) | 2018-09-27 | 2020-06-09 | Silicon Laboratories Inc. | Spur canceller with multiplier-less correlator |
US10659060B2 (en) | 2018-09-27 | 2020-05-19 | Silicon Laboratories Inc. | Spur cancellation with adaptive frequency tracking |
US10594329B1 (en) * | 2018-12-07 | 2020-03-17 | Si-Ware Systems S.A.E. | Adaptive non-linearity identification and compensation using orthogonal functions in a mixed signal circuit |
US10516403B1 (en) | 2019-02-27 | 2019-12-24 | Ciena Corporation | High-order phase tracking loop with segmented proportional and integral controls |
JP7407517B2 (ja) * | 2019-03-29 | 2024-01-04 | ローム株式会社 | タイミング発生器および半導体集積回路 |
US10784872B1 (en) * | 2019-09-17 | 2020-09-22 | Taiwan Semiconductor Manufacturing Company Limited | Fractional realignment techniques for PLLs |
US10819353B1 (en) | 2019-10-04 | 2020-10-27 | Silicon Laboratories Inc. | Spur cancellation in a PLL system with an automatically updated target spur frequency |
CN110719100B (zh) * | 2019-11-19 | 2021-04-23 | 复旦大学 | 一种分数频全数字锁相环及其控制方法 |
US10998911B1 (en) | 2019-12-30 | 2021-05-04 | Nxp Usa, Inc. | Fractional N PLL with sigma-delta noise cancellation |
US11038521B1 (en) | 2020-02-28 | 2021-06-15 | Silicon Laboratories Inc. | Spur and quantization noise cancellation for PLLS with non-linear phase detection |
US10965297B1 (en) * | 2020-03-03 | 2021-03-30 | Samsung Electronics Co., Ltd | Sigma-delta modulation quantization error reduction technique for fractional-N phase-locked loop (PLL) |
CN113810046A (zh) * | 2020-06-12 | 2021-12-17 | 连云港坤芯微电子科技有限公司 | 一种快速自动频率校准装置及方法 |
US11316522B2 (en) | 2020-06-15 | 2022-04-26 | Silicon Laboratories Inc. | Correction for period error in a reference clock signal |
CN111900978B (zh) * | 2020-08-07 | 2021-11-23 | 上海橙群微电子有限公司 | 锁相环电路、发射机和无线收发系统 |
CN114915302B (zh) * | 2021-02-09 | 2024-02-09 | 瑞昱半导体股份有限公司 | 用于发射机的增益控制电路及相关方法 |
US20220286140A1 (en) * | 2021-03-02 | 2022-09-08 | Anokiwave, Inc. | Time-to-digital converter and calibration |
US11632230B2 (en) * | 2021-06-07 | 2023-04-18 | Qualcomm Incorporated | Low power digital-to-time converter (DTC) linearization |
TWI774485B (zh) * | 2021-07-26 | 2022-08-11 | 瑞昱半導體股份有限公司 | 全數位鎖相迴路及其校正方法 |
CN113872594A (zh) * | 2021-08-24 | 2021-12-31 | 苏州聚元微电子股份有限公司 | 振荡器频率的快速数字校准方法 |
US20230124141A1 (en) * | 2021-10-20 | 2023-04-20 | Qualcomm Incorporated | Iterative phase-noise cancellation |
CN114189249B (zh) * | 2022-02-14 | 2022-05-17 | 微龛(广州)半导体有限公司 | 开环小数分频器及时钟系统 |
US11569831B1 (en) * | 2022-03-23 | 2023-01-31 | Infineon Technologies Ag | Time-to-digital converter calibration |
WO2024019493A1 (fr) * | 2022-07-20 | 2024-01-25 | 삼성전자 주식회사 | Dispositif électronique et procédé de commande de communication par dispositif électronique |
US20240072821A1 (en) * | 2022-08-30 | 2024-02-29 | Texas Instruments Incorporated | Digital-to-time converter mismatch compensation |
CN116015287B (zh) * | 2022-12-31 | 2024-03-19 | 成都电科星拓科技有限公司 | 一种基于频率转电压电路校正tdc步进的方法及装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19840241C1 (de) | 1998-09-03 | 2000-03-23 | Siemens Ag | Digitaler PLL (Phase Locked Loop)-Frequenzsynthesizer |
JP3415574B2 (ja) * | 2000-08-10 | 2003-06-09 | Necエレクトロニクス株式会社 | Pll回路 |
DE60228597D1 (de) * | 2002-12-23 | 2008-10-09 | St Microelectronics Belgium Nv | Frequenzsynthesizer mit gebrochenem Teilverhältnis und kompensierter Verzögerung |
SE0301005D0 (sv) | 2003-04-03 | 2003-04-03 | Ericsson Telefon Ab L M | Method and system of jitter compensation |
DE102005060472B3 (de) | 2005-12-17 | 2007-04-26 | Atmel Germany Gmbh | PLL-Frequenzgenerator |
US7417510B2 (en) * | 2006-09-28 | 2008-08-26 | Silicon Laboratories Inc. | Direct digital interpolative synthesis |
US7579886B2 (en) * | 2006-12-07 | 2009-08-25 | Cadence Design Systems, Inc. | Phase locked loop with adaptive phase error compensation |
US7764134B2 (en) * | 2007-06-14 | 2010-07-27 | Silicon Laboratories Inc. | Fractional divider |
US8022849B2 (en) * | 2008-04-14 | 2011-09-20 | Qualcomm, Incorporated | Phase to digital converter in all digital phase locked loop |
US8049540B2 (en) * | 2008-09-19 | 2011-11-01 | Analog Devices, Inc. | Calibration system and method for phase-locked loops |
US8339165B2 (en) * | 2009-12-07 | 2012-12-25 | Qualcomm Incorporated | Configurable digital-analog phase locked loop |
TW201121246A (en) * | 2009-12-14 | 2011-06-16 | Univ Nat Taiwan | Frequency synthesizers |
US8432231B2 (en) * | 2010-07-19 | 2013-04-30 | Analog Devices, Inc. | Digital phase-locked loop clock system |
KR101206436B1 (ko) * | 2010-09-29 | 2012-11-29 | 전자부품연구원 | 위상 동기 루프 기반의 주파수 합성기 및 그의 동작 방법 |
US8193867B2 (en) * | 2010-10-29 | 2012-06-05 | Silicon Laboratories Inc. | Voltage controlled oscillator with dither |
US8207770B1 (en) * | 2010-12-23 | 2012-06-26 | Intel Corporation | Digital phase lock loop |
US8248175B2 (en) * | 2010-12-30 | 2012-08-21 | Silicon Laboratories Inc. | Oscillator with external voltage control and interpolative divider in the output path |
US8497716B2 (en) * | 2011-08-05 | 2013-07-30 | Qualcomm Incorporated | Phase locked loop with phase correction in the feedback loop |
US8441291B2 (en) * | 2011-09-23 | 2013-05-14 | Silicon Laboratories Inc. | PLL using interpolative divider as digitally controlled oscillator |
-
2011
- 2011-08-05 US US13/204,448 patent/US8497716B2/en active Active
-
2012
- 2012-08-01 JP JP2014525058A patent/JP5908587B2/ja active Active
- 2012-08-01 WO PCT/US2012/049226 patent/WO2013022679A1/fr active Application Filing
- 2012-08-01 KR KR1020147006009A patent/KR101633886B1/ko active IP Right Grant
- 2012-08-01 IN IN291CHN2014 patent/IN2014CN00291A/en unknown
- 2012-08-01 CN CN201280043541.1A patent/CN103814524B/zh active Active
- 2012-08-01 EP EP20120751182 patent/EP2740219B1/fr not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
JP5908587B2 (ja) | 2016-04-26 |
KR101633886B1 (ko) | 2016-07-08 |
US20130033293A1 (en) | 2013-02-07 |
JP2014527755A (ja) | 2014-10-16 |
US8497716B2 (en) | 2013-07-30 |
EP2740219B1 (fr) | 2015-05-20 |
WO2013022679A1 (fr) | 2013-02-14 |
KR20140058608A (ko) | 2014-05-14 |
CN103814524A (zh) | 2014-05-21 |
CN103814524B (zh) | 2016-08-24 |
EP2740219A1 (fr) | 2014-06-11 |
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