JP4355658B2 - 配置面積を縮減し過渡電力を削減した発振回路 - Google Patents

配置面積を縮減し過渡電力を削減した発振回路 Download PDF

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Publication number
JP4355658B2
JP4355658B2 JP2004534431A JP2004534431A JP4355658B2 JP 4355658 B2 JP4355658 B2 JP 4355658B2 JP 2004534431 A JP2004534431 A JP 2004534431A JP 2004534431 A JP2004534431 A JP 2004534431A JP 4355658 B2 JP4355658 B2 JP 4355658B2
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Japan
Prior art keywords
voltage
terminal
capacitor
circuit
comparator
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Expired - Fee Related
Application number
JP2004534431A
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English (en)
Japanese (ja)
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JP2005538609A5 (enExample
JP2005538609A (ja
Inventor
エム． ピゴット、ジョン
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NXP USA Inc
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NXP USA Inc
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Publication date
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Publication of JP2005538609A publication Critical patent/JP2005538609A/ja
Publication of JP2005538609A5 publication Critical patent/JP2005538609A5/ja
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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)
JP2004534431A 2002-09-06 2003-08-22 配置面積を縮減し過渡電力を削減した発振回路 Expired - Fee Related JP4355658B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/236,230 US6803832B2 (en) 2002-09-06 2002-09-06 Oscillator circuit having reduced layout area and lower power supply transients
PCT/US2003/027432 WO2004023654A1 (en) 2002-09-06 2003-08-22 Oscillator circuit having reduced layout area and lower power supply transients

Publications (3)

Publication Number Publication Date
JP2005538609A JP2005538609A (ja) 2005-12-15
JP2005538609A5 JP2005538609A5 (enExample) 2006-09-14
JP4355658B2 true JP4355658B2 (ja) 2009-11-04

Family

ID=31977624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004534431A Expired - Fee Related JP4355658B2 (ja) 2002-09-06 2003-08-22 配置面積を縮減し過渡電力を削減した発振回路

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

Family Cites Families (6)

* 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
JPS62226711A (ja) * 1986-03-28 1987-10-05 Nissan Motor Co Ltd 発振回路
US4904960A (en) 1989-04-10 1990-02-27 National Semiconductor Corporation Precision CMOS oscillator circuit
US5128634A (en) * 1990-10-29 1992-07-07 Motorola, Inc. Oscillator cirucit independent or parasitic capacitors
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

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
KR100976890B1 (ko) 2010-08-18
TW200419893A (en) 2004-10-01
AU2003268372A1 (en) 2004-03-29
CN1679235A (zh) 2005-10-05
KR20050057172A (ko) 2005-06-16

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