KR100191109B1 - 서보회로 - Google Patents

서보회로 Download PDF

Info

Publication number
KR100191109B1
KR100191109B1 KR1019910014378A KR910014378A KR100191109B1 KR 100191109 B1 KR100191109 B1 KR 100191109B1 KR 1019910014378 A KR1019910014378 A KR 1019910014378A KR 910014378 A KR910014378 A KR 910014378A KR 100191109 B1 KR100191109 B1 KR 100191109B1
Authority
KR
South Korea
Prior art keywords
gain
output
amplifier
control signal
supplied
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 - Fee Related
Application number
KR1019910014378A
Other languages
English (en)
Korean (ko)
Other versions
KR920005466A (ko
Inventor
마사아끼 이시하라
Original Assignee
이데이 노부유끼
소니 가부시키 가이샤
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
Priority claimed from JP2223560A external-priority patent/JP3018435B2/ja
Priority claimed from JP2236389A external-priority patent/JP2979607B2/ja
Priority claimed from JP2236390A external-priority patent/JP2979608B2/ja
Application filed by 이데이 노부유끼, 소니 가부시키 가이샤 filed Critical 이데이 노부유끼
Publication of KR920005466A publication Critical patent/KR920005466A/ko
Application granted granted Critical
Publication of KR100191109B1 publication Critical patent/KR100191109B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
    • H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
    • H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor
    • H03K17/667—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor using complementary bipolar transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Feedback Control In General (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
KR1019910014378A 1990-08-24 1991-08-21 서보회로 Expired - Fee Related KR100191109B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP90-223560 1990-08-24
JP2223560A JP3018435B2 (ja) 1990-08-24 1990-08-24 サーボ回路
JP236389 1990-09-06
JP2236389A JP2979607B2 (ja) 1990-09-06 1990-09-06 サーボ回路
JP2236390A JP2979608B2 (ja) 1990-09-06 1990-09-06 サーボ回路
JP236390 1990-09-06

Publications (2)

Publication Number Publication Date
KR920005466A KR920005466A (ko) 1992-03-28
KR100191109B1 true KR100191109B1 (ko) 1999-06-15

Family

ID=27330798

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014378A Expired - Fee Related KR100191109B1 (ko) 1990-08-24 1991-08-21 서보회로

Country Status (5)

Country Link
US (1) US5166559A (enExample)
EP (2) EP0638997B1 (enExample)
KR (1) KR100191109B1 (enExample)
DE (2) DE69128652T2 (enExample)
TW (1) TW258797B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809577B2 (ja) * 1993-09-24 1998-10-08 富士通株式会社 ゼロレベル設定回路
JPH08274559A (ja) * 1995-04-03 1996-10-18 Oki Electric Ind Co Ltd 出力電力制御装置
US6636722B1 (en) 2000-09-12 2003-10-21 Tektronix, Inc. Broadband receiver amplitude/phase normalization using a broadband temperature compensated noise source and a pseudo random sequence generator
US6556022B2 (en) * 2001-06-29 2003-04-29 Intel Corporation Method and apparatus for local parameter variation compensation
US7259620B2 (en) 2005-06-27 2007-08-21 Linear Technology Corporation Wide dynamic range switching variable gain amplifier and control
US7656227B1 (en) 2008-02-26 2010-02-02 Pmc-Sierra, Inc. Techniques to control amplifier gain over process, voltage, and/or temperature (PVT) variations
CN101938255B (zh) * 2010-09-16 2012-09-05 中国电子科技集团公司第二十四研究所 低于100mW低功耗真对数放大器
GB2560045B (en) * 2017-02-28 2019-10-30 Cirrus Logic Int Semiconductor Ltd Amplifiers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770984A (en) * 1971-03-03 1973-11-06 Harris Intertype Corp Fast recovery low distortion limiter circuit
US3879674A (en) * 1973-12-27 1975-04-22 Burroughs Corp Automatic gain control circuit
JPS5330850A (en) * 1976-09-03 1978-03-23 Hitachi Ltd Gain control circuit
US4238738A (en) * 1977-06-15 1980-12-09 Tokyo Shibaura Electric Co., Ltd. Temperature-compensated amplifier circuit
JPS5422512U (enExample) * 1977-07-15 1979-02-14
GB1568513A (en) * 1977-10-07 1980-05-29 Secr Defence Automatic signal level control system
US4297645A (en) * 1979-09-20 1981-10-27 Nippon Electric Co., Ltd. Automatic gain control circuit comprising a circuit for comparing a modulated signal with an envelope detected signal
FR2520952A1 (fr) * 1982-02-03 1983-08-05 Trt Telecom Radio Electr Dispositif de controle automatique de gain (cag) a action rapide
US5030924A (en) * 1989-03-30 1991-07-09 Silicon Systems, Inc. Temperature compensated exponential gain control circuit

Also Published As

Publication number Publication date
DE69128652T2 (de) 1998-05-14
KR920005466A (ko) 1992-03-28
EP0638997B1 (en) 1998-01-07
TW258797B (enExample) 1995-10-01
DE69119514D1 (de) 1996-06-20
DE69128652D1 (de) 1998-02-12
DE69119514T2 (de) 1996-09-26
EP0473370B1 (en) 1996-05-15
EP0638997A1 (en) 1995-02-15
EP0473370A1 (en) 1992-03-04
US5166559A (en) 1992-11-24

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