CN108781070B - 可变频率rc振荡器 - Google Patents

可变频率rc振荡器 Download PDF

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Publication number
CN108781070B
CN108781070B CN201780014246.6A CN201780014246A CN108781070B CN 108781070 B CN108781070 B CN 108781070B CN 201780014246 A CN201780014246 A CN 201780014246A CN 108781070 B CN108781070 B CN 108781070B
Authority
CN
China
Prior art keywords
delay
circuit
variable
output
stage
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 - Fee Related
Application number
CN201780014246.6A
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English (en)
Chinese (zh)
Other versions
CN108781070A (zh
Inventor
K·王
宋超
S·西瓦库玛
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.)
Qualcomm Inc
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Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN108781070A publication Critical patent/CN108781070A/zh
Application granted granted Critical
Publication of CN108781070B publication Critical patent/CN108781070B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • H03B5/26—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/04—Shaping pulses by increasing duration; by decreasing duration
    • H03K5/06—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements
    • H03K5/065—Shaping pulses by increasing duration; by decreasing duration by the use of delay lines or other analogue delay elements using dispersive delay lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/125—Discriminating pulses
    • H03K5/1252—Suppression or limitation of noise or interference
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Pulse Circuits (AREA)
  • Semiconductor Integrated Circuits (AREA)
CN201780014246.6A 2016-03-02 2017-02-10 可变频率rc振荡器 Expired - Fee Related CN108781070B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662302735P 2016-03-02 2016-03-02
US62/302,735 2016-03-02
US15/191,350 US9755575B1 (en) 2016-03-02 2016-06-23 Variable frequency RC oscillator
US15/191,350 2016-06-23
PCT/US2017/017518 WO2017151295A1 (en) 2016-03-02 2017-02-10 A variable frequency rc oscillator

Publications (2)

Publication Number Publication Date
CN108781070A CN108781070A (zh) 2018-11-09
CN108781070B true CN108781070B (zh) 2022-05-17

Family

ID=59702466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780014246.6A Expired - Fee Related CN108781070B (zh) 2016-03-02 2017-02-10 可变频率rc振荡器

Country Status (6)

Country Link
US (1) US9755575B1 (enExample)
EP (1) EP3424147B1 (enExample)
JP (1) JP2019511168A (enExample)
KR (1) KR20180118137A (enExample)
CN (1) CN108781070B (enExample)
WO (1) WO2017151295A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10873325B2 (en) * 2018-10-12 2020-12-22 Texas Instruments Incorporated Robust noise immune, low-skew, pulse width retainable glitch-filter
TWI675280B (zh) * 2018-10-25 2019-10-21 新唐科技股份有限公司 時脈產生電路及其時脈調整方法
GB2583353B (en) * 2019-04-24 2023-04-12 Pragmatic Printing Ltd An oscillator with improved frequency stability
US11811364B2 (en) 2021-06-22 2023-11-07 Samsung Electronics Co., Ltd. Clock integrated circuit including heterogeneous oscillators and apparatus including the clock integrated circuit

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54181853U (enExample) * 1978-06-12 1979-12-22
JPS5937611B2 (ja) * 1979-01-17 1984-09-11 株式会社日本自動車部品総合研究所 抵抗容量型発振回路
JPS60100819A (ja) * 1984-10-01 1985-06-04 Fujitsu General Ltd 発振回路
US5519265A (en) 1993-05-24 1996-05-21 Latham, Ii; Paul W. Adaptive RC product control in an analog-signal-manipulating circuit
US5552748A (en) 1995-06-07 1996-09-03 American Microsystems, Inc. Digitally-tuned oscillator including a self-calibrating RC oscillator circuit
JP2002271173A (ja) * 2001-03-13 2002-09-20 Fujitsu Ltd フィルタ回路、半導体装置、フィルタシステム及び信号周波数制御方法
US6737926B2 (en) * 2001-08-30 2004-05-18 Micron Technology, Inc. Method and apparatus for providing clock signals at different locations with minimal clock skew
DE10345236B3 (de) * 2003-09-29 2005-03-10 Infineon Technologies Ag Verzögerungsregelkreis
JP2006261833A (ja) * 2005-03-15 2006-09-28 Sanyo Electric Co Ltd リング発振器
US7245519B2 (en) 2005-08-22 2007-07-17 Freescale Semiconductor, Inc. Digitally programmable capacitor array
JP2007081593A (ja) * 2005-09-13 2007-03-29 Neuro Solution Corp 発振器、ｐｌｌ回路および受信機、送信機
KR20070081532A (ko) * 2006-02-13 2007-08-17 엘지전자 주식회사 Ｒｃ 발진회로
US7605668B2 (en) 2006-12-12 2009-10-20 Intel Corporation Delay stage with controllably variable capacitive load
CN102006057B (zh) * 2009-09-01 2013-05-08 杭州中科微电子有限公司 可编程调整起振条件的低功耗、快速起振晶体振荡器模块
US8222966B2 (en) * 2010-09-10 2012-07-17 Intel Corporation System, method and apparatus for an open loop calibrated phase wrapping phase modulator for wideband RF outphasing/polar transmitters
JP5807508B2 (ja) * 2011-10-24 2015-11-10 株式会社ソシオネクスト 発振回路を有するマイクロコントローラ
CN104285375B (zh) * 2012-03-19 2018-07-10 英特尔公司 自偏置振荡器
US9584133B2 (en) 2012-05-31 2017-02-28 Silicon Laboratories Inc. Temperature compensated oscillator with improved noise performance
CN104935294B (zh) * 2014-03-20 2018-07-20 晶宏半导体股份有限公司 振荡器

Also Published As

Publication number Publication date
WO2017151295A1 (en) 2017-09-08
JP2019511168A (ja) 2019-04-18
EP3424147A1 (en) 2019-01-09
CN108781070A (zh) 2018-11-09
EP3424147B1 (en) 2024-07-10
US20170257065A1 (en) 2017-09-07
US9755575B1 (en) 2017-09-05
KR20180118137A (ko) 2018-10-30

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Granted publication date: 20220517