JP2010278491A5 - - Google Patents

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Publication number
JP2010278491A5
JP2010278491A5 JP2009126056A JP2009126056A JP2010278491A5 JP 2010278491 A5 JP2010278491 A5 JP 2010278491A5 JP 2009126056 A JP2009126056 A JP 2009126056A JP 2009126056 A JP2009126056 A JP 2009126056A JP 2010278491 A5 JP2010278491 A5 JP 2010278491A5
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JP
Japan
Prior art keywords
circuit
voltage
output
controlled oscillation
correction potential
Prior art date
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Pending
Application number
JP2009126056A
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English (en)
Japanese (ja)
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JP2010278491A (ja
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Publication date
Application filed filed Critical
Priority to JP2009126056A priority Critical patent/JP2010278491A/ja
Priority claimed from JP2009126056A external-priority patent/JP2010278491A/ja
Priority to US12/801,042 priority patent/US8217690B2/en
Publication of JP2010278491A publication Critical patent/JP2010278491A/ja
Publication of JP2010278491A5 publication Critical patent/JP2010278491A5/ja
Pending legal-status Critical Current

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JP2009126056A 2009-05-26 2009-05-26 周波数シンセサイザ Pending JP2010278491A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009126056A JP2010278491A (ja) 2009-05-26 2009-05-26 周波数シンセサイザ
US12/801,042 US8217690B2 (en) 2009-05-26 2010-05-18 Frequency synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009126056A JP2010278491A (ja) 2009-05-26 2009-05-26 周波数シンセサイザ

Publications (2)

Publication Number Publication Date
JP2010278491A JP2010278491A (ja) 2010-12-09
JP2010278491A5 true JP2010278491A5 (https=) 2012-04-12

Family

ID=43219515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009126056A Pending JP2010278491A (ja) 2009-05-26 2009-05-26 周波数シンセサイザ

Country Status (2)

Country Link
US (1) US8217690B2 (https=)
JP (1) JP2010278491A (https=)

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US8140040B1 (en) * 2009-09-11 2012-03-20 Qualcomm Atheros, Inc Method and apparatus for a temperature compensated phase locked loop supporting a continuous stream receiver in an integrated circuit
WO2011046845A2 (en) * 2009-10-15 2011-04-21 Rambus Inc. Signal distribution networks and related methods
KR101360502B1 (ko) * 2010-09-07 2014-02-07 한국전자통신연구원 자동 주파수 제어 회로를 포함하는 위상 고정 루프 회로 및 그것의 동작 방법
JP5839936B2 (ja) * 2011-01-11 2016-01-06 日本電波工業株式会社 水晶発振器
US9154143B2 (en) * 2011-01-26 2015-10-06 Renesas Electronics Corporation Semiconductor device
US8358159B1 (en) * 2011-03-10 2013-01-22 Applied Micro Circuits Corporation Adaptive phase-locked loop (PLL) multi-band calibration
US8493114B2 (en) * 2011-07-06 2013-07-23 Mediatek Inc. Temperature compensation circuit and synthesizer using the temperature compensation circuit
US8427210B2 (en) * 2011-07-26 2013-04-23 United Microelectronics Corp. Charge pump
US8531245B2 (en) * 2011-10-28 2013-09-10 St-Ericsson Sa Temperature compensation in a PLL
US9236872B2 (en) 2012-03-12 2016-01-12 Seiko Epson Corporation Voltage-controlled oscillator, signal generation apparatus, and electronic device
US9099995B2 (en) 2013-03-14 2015-08-04 Qualcomm Incorporated Ring oscillator circuit and method
US9344094B2 (en) * 2013-03-15 2016-05-17 Intel Corporation Temperature compensated PLL calibration
US9203416B2 (en) * 2013-05-23 2015-12-01 Broadcom Corporation Compensation of slow time-varying variations in voltage controlled oscillator (VCO) frequency in cellular transceivers
US9325332B2 (en) 2014-08-27 2016-04-26 International Business Machines Corporation Adjusting the magnitude of a capacitance of a digitally controlled circuit
CN107017837B (zh) * 2015-10-27 2022-02-08 精工爱普生株式会社 电路装置、振荡器、电子设备以及移动体
US10187071B2 (en) * 2015-12-21 2019-01-22 Texas Instruments Incorporated PLL lock range extension over temperature
EP3340467B1 (en) 2016-12-22 2022-10-05 NXP USA, Inc. Digitally controlled oscillator with temperature compensation
KR102493467B1 (ko) 2017-08-16 2023-01-31 삼성전자 주식회사 버랙터 회로를 포함하는 발진장치 및 이의 동작 방법
US10823693B2 (en) * 2018-01-04 2020-11-03 Silicon Laboratories Inc. System, apparatus and method for accurate measurement of off-chip temperature
US10784875B2 (en) * 2018-12-23 2020-09-22 Texas Instruments Incorporated Loop filter for a phase-locked loop
US10727847B1 (en) 2019-02-07 2020-07-28 International Business Machines Corporation Digital control of a voltage controlled oscillator frequency
CN119254184B (zh) * 2024-10-10 2025-08-05 成都航天博目电子科技有限公司 一种具有工艺角温度补偿的滤波器

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US6744324B1 (en) * 2001-03-19 2004-06-01 Cisco Technology, Inc. Frequency synthesizer using a VCO having a controllable operating point, and calibration and tuning thereof
US6512419B1 (en) * 2001-03-19 2003-01-28 Cisco Sytems Wireless Networking (Australia) Pty Limited Method and apparatus to tune and calibrate an on-chip oscillator in a wireless transceiver chip
JP3901693B2 (ja) * 2003-03-28 2007-04-04 沖電気工業株式会社 発振回路及び発振回路制御方法
US7167058B2 (en) * 2003-12-11 2007-01-23 Seiko Epson Corporation Temperature compensation for a variable frequency oscillator without reducing pull range
US7164325B2 (en) * 2004-03-30 2007-01-16 Qualcomm Incorporated Temperature stabilized voltage controlled oscillator
JP2006135892A (ja) 2004-11-09 2006-05-25 Oki Electric Ind Co Ltd 電圧制御発振器及び発振周波数調整方法
JP2007110504A (ja) 2005-10-14 2007-04-26 Nec Electronics Corp 半導体集積回路装置
US7573342B2 (en) * 2007-07-20 2009-08-11 Infineon Technologies Ag VCO pre-compensation
DE102007034186B4 (de) * 2007-07-23 2010-04-08 Texas Instruments Deutschland Gmbh Digital gesteuerter Oszillator
US8022780B2 (en) * 2008-04-22 2011-09-20 Qualcomm Incorporated Auxiliary varactor for temperature compensation
JP5147539B2 (ja) * 2008-05-22 2013-02-20 ルネサスエレクトロニクス株式会社 周波数シンセサイザおよびその制御方法
US20100259332A1 (en) * 2009-04-10 2010-10-14 Seeteck Tan Compensation circuit for voltage controlled oscillator

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