JP2005151528A5 - - Google Patents

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Publication number
JP2005151528A5
JP2005151528A5 JP2004249931A JP2004249931A JP2005151528A5 JP 2005151528 A5 JP2005151528 A5 JP 2005151528A5 JP 2004249931 A JP2004249931 A JP 2004249931A JP 2004249931 A JP2004249931 A JP 2004249931A JP 2005151528 A5 JP2005151528 A5 JP 2005151528A5
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JP
Japan
Prior art keywords
current
capacitor
coupled
bipolar transistor
current source
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.)
Pending
Application number
JP2004249931A
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English (en)
Japanese (ja)
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JP2005151528A (ja
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Publication date
Priority claimed from US10/717,228 external-priority patent/US7034625B2/en
Application filed filed Critical
Publication of JP2005151528A publication Critical patent/JP2005151528A/ja
Publication of JP2005151528A5 publication Critical patent/JP2005151528A5/ja
Pending legal-status Critical Current

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JP2004249931A 2003-11-19 2004-08-30 集積回路発振器の周波数安定度を改善する方法と装置 Pending JP2005151528A (ja)

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 (2)

Publication Number Publication Date
JP2005151528A JP2005151528A (ja) 2005-06-09
JP2005151528A5 true JP2005151528A5 (https=) 2007-09-06

Family

ID=34435751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004249931A Pending JP2005151528A (ja) 2003-11-19 2004-08-30 集積回路発振器の周波数安定度を改善する方法と装置

Country Status (4)

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

Families Citing this family (13)

* 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
ATE462248T1 (de) * 2006-09-28 2010-04-15 Nokia Siemens Networks Gmbh Steuerung der überlastdetektion in hsdpa systemen
US7518885B2 (en) * 2006-10-04 2009-04-14 Power Integrations, Inc. Method and apparatus for a control circuit with multiple operation modes
US7502236B2 (en) 2006-10-04 2009-03-10 Power Integrations, Inc. Power supply controller responsive to a feedforward signal
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
DE102018204959A1 (de) * 2018-04-03 2019-10-10 Tridonic Gmbh & Co Kg Vorrichtungen und Verfahren zum Bereitstellen eines hochaufgelösten PWM-Signals
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

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JPS641797Y2 (https=) * 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
WO1992007425A1 (fr) * 1990-10-23 1992-04-30 Seiko Epson Corporation Circuit oscillant commande en tension et boucle a verrouillage de phase
JPH0528116U (ja) * 1991-09-24 1993-04-09 横河電機株式会社 演算増幅器
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JPH0685625A (ja) * 1992-09-03 1994-03-25 Hitachi Ltd 発振器
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JPH0685525U (ja) * 1993-05-12 1994-12-06 ティアック株式会社 発振回路
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US5444422A (en) * 1994-09-20 1995-08-22 Zenith Electronics Corp. Low phase noise high frequency integrated oscillator with minimum pins
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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 (en) * 1998-11-10 2005-01-26 STMicroelectronics S.r.l. Circuit for controlling the slew rate of the output voltage of a driver in push-pull configuration
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US7034625B2 (en) 2003-11-19 2006-04-25 Power Integrations, Inc. Method and apparatus to improve frequency stability of an integrated circuit oscillator

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