DE69725033D1 - Frequenz-Stromwandler - Google Patents

Frequenz-Stromwandler

Info

Publication number
DE69725033D1
DE69725033D1 DE69725033T DE69725033T DE69725033D1 DE 69725033 D1 DE69725033 D1 DE 69725033D1 DE 69725033 T DE69725033 T DE 69725033T DE 69725033 T DE69725033 T DE 69725033T DE 69725033 D1 DE69725033 D1 DE 69725033D1
Authority
DE
Germany
Prior art keywords
current transformer
frequency current
frequency
transformer
current
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 - Lifetime
Application number
DE69725033T
Other languages
English (en)
Other versions
DE69725033T2 (de
Inventor
Giao M 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.)
Vishay Siliconix Inc
Original Assignee
Siliconix 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 Siliconix Inc filed Critical Siliconix Inc
Application granted granted Critical
Publication of DE69725033D1 publication Critical patent/DE69725033D1/de
Publication of DE69725033T2 publication Critical patent/DE69725033T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses
DE69725033T 1996-02-02 1997-01-27 Frequenz-Stromwandler Expired - Lifetime DE69725033T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US594676 1984-03-29
US08/594,676 US5736879A (en) 1996-02-02 1996-02-02 Closed-loop frequency-to-current converter with integrable capacitances

Publications (2)

Publication Number Publication Date
DE69725033D1 true DE69725033D1 (de) 2003-10-30
DE69725033T2 DE69725033T2 (de) 2004-06-09

Family

ID=24379902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725033T Expired - Lifetime DE69725033T2 (de) 1996-02-02 1997-01-27 Frequenz-Stromwandler

Country Status (3)

Country Link
US (2) US5736879A (de)
EP (2) EP0788230B1 (de)
DE (1) DE69725033T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3483695B2 (ja) * 1996-03-14 2004-01-06 株式会社リコー 音声通信装置
DE69728134T2 (de) * 1997-05-30 2004-10-14 Stmicroelectronics S.R.L., Agrate Brianza Steuerschaltung für die Strom-Schalt-Flanken eines Leistungstransistors
US6020769A (en) * 1997-10-17 2000-02-01 Lucent Technologies, Inc. Low voltage sample and hold circuits
JP4274597B2 (ja) * 1998-05-29 2009-06-10 株式会社ルネサステクノロジ 半導体集積回路装置
US5977734A (en) * 1998-09-09 1999-11-02 Stmicroelectronics, Inc. Circuit and method for determining optimal phase combination for startup of a polyphase DC motor
DE60131892T2 (de) * 2000-12-22 2008-04-30 Nxp B.V. Niedrige Spannungsabtastschaltung mit Kompressions- und Ausdehnungsspannungsbereich
US6501411B2 (en) * 2001-05-03 2002-12-31 Texas Instruments Incorporated System and method for optimizing power in pipelined data converters
US6838787B2 (en) * 2002-01-16 2005-01-04 Eastman Kodak Company Variable bandwidth correlated doubling sampling circuits for image sensors
US7479812B1 (en) * 2005-05-27 2009-01-20 National Semiconductor Corporation Producing a frequency-representative signal with rapid adjustment to frequency changes
TWI331445B (en) * 2007-03-01 2010-10-01 Novatek Microelectronics Corp Sample-and-hold apparatus and operating method thereof
US9614094B2 (en) * 2011-04-29 2017-04-04 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device including oxide semiconductor layer and method for driving the same
WO2013051022A2 (en) * 2011-07-05 2013-04-11 Indian Institute Of Technology, Bombay Frequency to voltage converter
JP5858695B2 (ja) * 2011-09-08 2016-02-10 キヤノン株式会社 固体撮像装置及び固体撮像装置の駆動方法
JP6227890B2 (ja) 2012-05-02 2017-11-08 株式会社半導体エネルギー研究所 信号処理回路および制御回路
KR20150014681A (ko) * 2013-07-30 2015-02-09 에스케이하이닉스 주식회사 전류 생성 회로와 이를 포함하는 반도체 장치 및 메모리 시스템
JP7368148B2 (ja) * 2019-09-06 2023-10-24 株式会社東芝 電源回路及び無線通信装置

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2117599C2 (de) * 1971-04-10 1982-11-11 P.I.V. Antrieb Werner Reimers GmbH & Co KG, 6380 Bad Homburg Verfahren und Schaltungsanordnung zur Impulsfrequenz-Spannungsumsetzung
DE2254363A1 (de) * 1972-11-07 1974-05-16 Bosch Gmbh Robert Verfahren zur messung von frequenz, impulsdauer und tastverhaeltnis und schaltungsanordnung zu dessen durchfuehrung
FR2281677A1 (fr) * 1974-08-07 1976-03-05 Texas Instruments France Convertisseur frequence-tension notamment pour tachymetre
JPS54108670A (en) * 1978-02-14 1979-08-25 Nippon Denso Co Ltd Frequency-current converting circuit
US4215315A (en) * 1978-10-13 1980-07-29 John Fluke Mfg. Co., Inc. Low frequency signal period or ratio (period)-to-voltage converter
US4275343A (en) * 1978-12-28 1981-06-23 The Charles Stark Draper Laboratory, Inc. Back EMF controlled permanent magnet motor
US4250435A (en) * 1980-01-04 1981-02-10 General Electric Company Clock rate control of electronically commutated motor rotational velocity
US4513230A (en) * 1980-04-17 1985-04-23 General Electric Company Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, and method of operating an electronically commutated motor
US4394610A (en) * 1981-08-07 1983-07-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adaptive reference voltage generator for firing angle control of line-commutated inverters
US4401934A (en) * 1981-08-07 1983-08-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adaptive control system for line-commutated inverters
JPS58186385A (ja) * 1982-04-21 1983-10-31 Hitachi Ltd 周波数電圧変換装置
WO1984000087A1 (en) * 1982-06-16 1984-01-05 Rosemount Inc Frequency to current converter circuit
US4455513A (en) * 1982-07-26 1984-06-19 Imec Corporation Self-starting transducerless, brushless D.C. motor controller
US4642537A (en) * 1983-12-13 1987-02-10 General Electric Company Laundering apparatus
US4540906A (en) * 1984-03-09 1985-09-10 Synektron Corporation Stator assembly for permanent magnet rotary device
US4665348A (en) * 1984-08-09 1987-05-12 Synektron Corporation Method for sensing and controlling the position of a variable reluctance actuator
US4659969A (en) * 1984-08-09 1987-04-21 Synektron Corporation Variable reluctance actuator having position sensing and control
US4575652A (en) * 1984-09-27 1986-03-11 Synektron Corporation Permanent magnet motor having high starting torque and narrowly-defined detent zones
US4656400A (en) * 1985-07-08 1987-04-07 Synektron Corporation Variable reluctance actuators having improved constant force control and position-sensing features
US4751459A (en) * 1986-09-18 1988-06-14 Synektron Corporation Magnetic tachometer or accelerometer having highly permeable eddy current flux circuit
US4673849A (en) * 1986-10-10 1987-06-16 Allied Corporation Permanent magnet motor closed loop restarting system
FR2607594B1 (fr) * 1986-12-02 1989-02-10 Thomson Semiconducteurs Convertisseur frequence-tension
US4774428A (en) * 1987-05-15 1988-09-27 Synektron Corporation Compact three-phase permanent magnet rotary machine having low vibration and high performance
US4743815A (en) * 1987-09-01 1988-05-10 Emerson Electric Co. Brushless permanent magnet motor system
US4757241A (en) * 1987-10-19 1988-07-12 General Electric Company PWM system for ECM motor
FR2622375B1 (fr) * 1987-10-21 1990-02-02 Commissariat Energie Atomique Convertisseur analogique numerique a grande dynamique
US5196741A (en) * 1989-01-25 1993-03-23 Hewlett-Packard Company Recycling ramp interpolator
JPH0334619A (ja) * 1989-06-29 1991-02-14 Nec Corp Ｃｒ型発振回路
US5034668A (en) * 1989-12-04 1991-07-23 Synektron Corporation Control circuit for an electric motor
US5015939A (en) * 1990-08-10 1991-05-14 Synektron Corporation Control circuit for switched reluctance motor
US5258695A (en) * 1990-12-19 1993-11-02 Integral Peripherals, Inc. Spin motor control system for a hard disk assembly
US5272803A (en) * 1993-02-05 1993-12-28 Synektron Corporation Method and apparatus for electric motor assembly with bearing preload

Also Published As

Publication number Publication date
US5955903A (en) 1999-09-21
EP0788230B1 (de) 2003-09-24
DE69725033T2 (de) 2004-06-09
EP0788230A3 (de) 1998-07-29
EP1306974A1 (de) 2003-05-02
EP0788230A2 (de) 1997-08-06
US5736879A (en) 1998-04-07

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Legal Events

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8364 No opposition during term of opposition