DE602004018090D1 - Integrierter Oszillator mit verbesserter Frequenzstabilität - Google Patents

Integrierter Oszillator mit verbesserter Frequenzstabilität

Info

Publication number
DE602004018090D1
DE602004018090D1 DE602004018090T DE602004018090T DE602004018090D1 DE 602004018090 D1 DE602004018090 D1 DE 602004018090D1 DE 602004018090 T DE602004018090 T DE 602004018090T DE 602004018090 T DE602004018090 T DE 602004018090T DE 602004018090 D1 DE602004018090 D1 DE 602004018090D1
Authority
DE
Germany
Prior art keywords
frequency stability
improved frequency
integrated oscillator
oscillator
integrated
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.)
Active
Application number
DE602004018090T
Other languages
English (en)
Inventor
Giao Minh Pham
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.)
Power Integrations Inc
Original Assignee
Power Integrations Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Power Integrations Inc filed Critical Power Integrations Inc
Publication of DE602004018090D1 publication Critical patent/DE602004018090D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H03K3/01—Details
    • H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
    • 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
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
DE602004018090T 2003-11-19 2004-07-28 Integrierter Oszillator mit verbesserter Frequenzstabilität Active DE602004018090D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/717,228 US7034625B2 (en) 2003-11-19 2003-11-19 Method and apparatus to improve frequency stability of an integrated circuit oscillator

Publications (1)

Publication Number Publication Date
DE602004018090D1 true DE602004018090D1 (de) 2009-01-15

Family

ID=34435751

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004018090T Active DE602004018090D1 (de) 2003-11-19 2004-07-28 Integrierter Oszillator mit verbesserter Frequenzstabilität

Country Status (4)

Country Link
US (3) US7034625B2 (de)
EP (2) EP1533902B1 (de)
JP (1) JP2005151528A (de)
DE (1) DE602004018090D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7034625B2 (en) 2003-11-19 2006-04-25 Power Integrations, Inc. Method and apparatus to improve frequency stability of an integrated circuit oscillator
DE602006013140D1 (de) * 2006-09-28 2010-05-06 Nokia Siemens Networks Gmbh
US7502236B2 (en) 2006-10-04 2009-03-10 Power Integrations, Inc. Power supply controller responsive to a feedforward signal
US7518885B2 (en) 2006-10-04 2009-04-14 Power Integrations, Inc. Method and apparatus for a control circuit with multiple operation modes
US7576528B2 (en) * 2006-10-04 2009-08-18 Power Integrations, Inc. Control circuit responsive to an impedance
KR101039384B1 (ko) * 2009-05-28 2011-06-08 한국기초과학지원연구원 스핀소자를 이용한 이완발진기
KR20120069377A (ko) * 2010-12-20 2012-06-28 에스케이하이닉스 주식회사 반도체 장치의 발진 회로
US9385694B2 (en) * 2011-12-20 2016-07-05 Conexant Systems, Inc. Low-power programmable oscillator and ramp generator
CN103095103B (zh) * 2013-01-16 2015-06-03 绍兴光大芯业微电子有限公司 开关电源中随负载变化实现曲率降频的频率调整控制电路
CN105471226B (zh) * 2015-12-31 2018-05-22 成都芯源系统有限公司 开关电源及用于其中的控制器和振荡器
US11942900B2 (en) 2021-10-14 2024-03-26 Power Integrations, Inc. Signal compensation with summed error signals
KR20240059436A (ko) * 2022-10-27 2024-05-07 삼성전자주식회사 전압 컨버터 및 이를 포함하는 전원 공급 장치

Family Cites Families (23)

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JPS50156348A (de) * 1974-06-04 1975-12-17
JPS641797Y2 (de) * 1980-05-20 1989-01-17
JPS58200610A (ja) * 1982-05-18 1983-11-22 Sony Corp 高入力インピーダンス回路
US4598259A (en) * 1984-12-05 1986-07-01 Sprague Electric Company Stable frequency sawtooth oscillator
IT1189575B (it) * 1986-06-18 1988-02-04 Sgs Microelettronica Spa Circuito di recupero della corrente di polarizzazione,in particolare per generatori di rampa
US5045800A (en) * 1990-03-23 1991-09-03 Power Integrations, Inc. Pulse width modulator control circuit
JP2836762B2 (ja) 1990-09-19 1998-12-14 オリンパス光学工業株式会社 絞り装置
KR960015678B1 (ko) * 1990-10-23 1996-11-20 세이꼬 엡슨 가부시끼가이샤 전압 제어형 발진 회로 및 위상 동기 회로
JPH0528116U (ja) * 1991-09-24 1993-04-09 横河電機株式会社 演算増幅器
NL9201053A (nl) * 1992-06-15 1994-01-03 Koninkl Philips Electronics Nv Switched capacitor ladingspomp, alsmede zaagtandoscillator voorzien van een dergelijke switched capacitor ladingspomp.
JPH0685625A (ja) * 1992-09-03 1994-03-25 Hitachi Ltd 発振器
KR940011020B1 (ko) * 1992-10-07 1994-11-22 삼성전자 주식회사 저주파 발진기
JPH0685525U (ja) * 1993-05-12 1994-12-06 ティアック株式会社 発振回路
US5455493A (en) * 1993-10-04 1995-10-03 Zenith Electronics Corporation Multisync horizontal drive generator
US5444422A (en) * 1994-09-20 1995-08-22 Zenith Electronics Corp. Low phase noise high frequency integrated oscillator with minimum pins
US5644270A (en) * 1996-03-15 1997-07-01 Ics Technologies, Inc. Enchanced stability voltage controlled RC oscillator
JP3625572B2 (ja) * 1996-05-21 2005-03-02 富士通株式会社 発振回路及びそれを利用したｐｌｌ回路
EP1001535B1 (de) * 1998-11-10 2005-01-26 STMicroelectronics S.r.l. Schaltung zum Steuern der Änderungsgeschwindigkeit der Ausgangsspannung eines Treibers in Gegentakt-Konfiguration
JP2001168655A (ja) * 1999-12-08 2001-06-22 Nec Corp 入力リーク電流補償回路及びその補償方法
US6339349B1 (en) * 2000-02-02 2002-01-15 National Semiconductor Corporation Method and circuit for comparator-less generation of ramped voltage having controlled maximum amplitude
US6614313B2 (en) * 2000-10-06 2003-09-02 Linear Technology Corporation Precision oscillator circuits and methods with switched capacitor frequency control and frequency-setting resistor
JP3839737B2 (ja) * 2002-03-01 2006-11-01 株式会社小糸製作所 直流電圧変換回路
US7034625B2 (en) 2003-11-19 2006-04-25 Power Integrations, Inc. Method and apparatus to improve frequency stability of an integrated circuit oscillator

Also Published As

Publication number Publication date
US20060139111A1 (en) 2006-06-29
EP1533902A1 (de) 2005-05-25
US7034625B2 (en) 2006-04-25
EP2043265A1 (de) 2009-04-01
US20080042763A1 (en) 2008-02-21
US20050104672A1 (en) 2005-05-19
US7304547B2 (en) 2007-12-04
EP1533902B1 (de) 2008-12-03
US7492229B2 (en) 2009-02-17
JP2005151528A (ja) 2005-06-09

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Legal Events

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