KR100976890B1 - 레이아웃 면적이 감소되고 전원 과도 현상이 적은 발진기회로 - Google Patents

레이아웃 면적이 감소되고 전원 과도 현상이 적은 발진기회로 Download PDF

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Publication number
KR100976890B1
KR100976890B1 KR1020057003752A KR20057003752A KR100976890B1 KR 100976890 B1 KR100976890 B1 KR 100976890B1 KR 1020057003752 A KR1020057003752 A KR 1020057003752A KR 20057003752 A KR20057003752 A KR 20057003752A KR 100976890 B1 KR100976890 B1 KR 100976890B1
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KR
South Korea
Prior art keywords
voltage
terminal
comparator
capacitor
input
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Expired - Fee Related
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KR1020057003752A
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English (en)
Korean (ko)
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KR20050057172A (ko
Inventor
존 엠. 피고트
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프리스케일 세미컨덕터, 인크.
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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
    • H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/066—Generating pulses having essentially a finite slope or stepped portions having triangular shape using a Miller-integrator
    • 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
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Electronic Switches (AREA)
KR1020057003752A 2002-09-06 2003-08-22 레이아웃 면적이 감소되고 전원 과도 현상이 적은 발진기회로 Expired - Fee Related KR100976890B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/236,230 2002-09-06
US10/236,230 US6803832B2 (en) 2002-09-06 2002-09-06 Oscillator circuit having reduced layout area and lower power supply transients

Publications (2)

Publication Number Publication Date
KR20050057172A KR20050057172A (ko) 2005-06-16
KR100976890B1 true KR100976890B1 (ko) 2010-08-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057003752A Expired - Fee Related KR100976890B1 (ko) 2002-09-06 2003-08-22 레이아웃 면적이 감소되고 전원 과도 현상이 적은 발진기회로

Country Status (7)

Country Link
US (1) US6803832B2 (enExample)
JP (1) JP4355658B2 (enExample)
KR (1) KR100976890B1 (enExample)
CN (1) CN1320752C (enExample)
AU (1) AU2003268372A1 (enExample)
TW (1) TWI322562B (enExample)
WO (1) WO2004023654A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005117140A (ja) 2003-10-03 2005-04-28 Nec Electronics Corp 発振回路及びそれを備える半導体集積回路
US7280000B2 (en) * 2005-05-05 2007-10-09 Infineon Technologies Ag Apparatus and method for reducing power consumption within an oscillator
US7564276B2 (en) * 2006-06-28 2009-07-21 Qualcomm Incorporated Low-power modulus divider stage
DE102006051768B4 (de) * 2006-11-02 2015-11-26 Infineon Technologies Ag Vorrichtung und Verfahren zum Feststellen einer Beeinträchtigung einer durch einen Regelkreis bereitgestellten geregelten Spannung und Computerprogramm zur Durchführung des Verfahrens
US7482858B2 (en) * 2006-12-13 2009-01-27 Taiwan Semiconductor Manufacturing Co., Ltd. Temperature-sensitive current source
CN101409541A (zh) * 2008-11-18 2009-04-15 上海贝岭矽创微电子有限公司 环形振荡电路
KR101616046B1 (ko) * 2009-10-05 2016-04-27 삼성전자주식회사 발진기 및 그 동작방법
CN103703681B (zh) 2010-12-10 2017-05-24 马维尔国际贸易有限公司 快速上电的比较器
US20130099870A1 (en) * 2011-10-20 2013-04-25 Qualcomm Atheros, Inc. Voltage controlled oscillators having low phase noise
US8742880B2 (en) * 2011-10-28 2014-06-03 Qualcomm Incorporated Single differential transformer core
EP3293878B1 (en) * 2016-09-09 2021-06-23 Black & Decker Inc. Dual-inverter for a brushless motor
FR3068836B1 (fr) * 2017-07-07 2019-08-23 Stmicroelectronics (Rousset) Sas Circuit de protection d'un commutateur de puissance
TWI850742B (zh) * 2022-08-24 2024-08-01 立錡科技股份有限公司 電子裝置以及監控方法
US12298345B2 (en) * 2023-02-21 2025-05-13 Texas Instruments Incorporated Low-frequency oscillator monitoring circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62226711A (ja) * 1986-03-28 1987-10-05 Nissan Motor Co Ltd 発振回路
JPH04351007A (ja) * 1990-10-29 1992-12-04 Motorola Inc 寄生容量に依存しない発振回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415392A1 (fr) 1978-01-20 1979-08-17 Anvar Circuit electronique multifonction a quatre circuits de base et applications de ce circuit
US4904960A (en) 1989-04-10 1990-02-27 National Semiconductor Corporation Precision CMOS oscillator circuit
US5459437A (en) * 1994-05-10 1995-10-17 Integrated Device Technology Logic gate with controllable hysteresis and high frequency voltage controlled oscillator
US6373343B1 (en) * 1999-09-03 2002-04-16 Texas Instruments Incorporated Oscillator and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62226711A (ja) * 1986-03-28 1987-10-05 Nissan Motor Co Ltd 発振回路
JPH04351007A (ja) * 1990-10-29 1992-12-04 Motorola Inc 寄生容量に依存しない発振回路

Also Published As

Publication number Publication date
WO2004023654A1 (en) 2004-03-18
US20040046614A1 (en) 2004-03-11
TWI322562B (en) 2010-03-21
JP2005538609A (ja) 2005-12-15
US6803832B2 (en) 2004-10-12
CN1320752C (zh) 2007-06-06
TW200419893A (en) 2004-10-01
JP4355658B2 (ja) 2009-11-04
AU2003268372A1 (en) 2004-03-29
CN1679235A (zh) 2005-10-05
KR20050057172A (ko) 2005-06-16

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