JPS5685913A - Electronic differential controller - Google Patents

Electronic differential controller

Info

Publication number
JPS5685913A
JPS5685913A JP16012780A JP16012780A JPS5685913A JP S5685913 A JPS5685913 A JP S5685913A JP 16012780 A JP16012780 A JP 16012780A JP 16012780 A JP16012780 A JP 16012780A JP S5685913 A JPS5685913 A JP S5685913A
Authority
JP
Japan
Prior art keywords
electronic differential
differential controller
controller
electronic
differential
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
JP16012780A
Other languages
English (en)
Inventor
Yan Fuero Henri
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPS5685913A publication Critical patent/JPS5685913A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP16012780A 1979-11-19 1980-11-15 Electronic differential controller Pending JPS5685913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7908411A NL7908411A (nl) 1979-11-19 1979-11-19 Electronische differentiaal regelaar.

Publications (1)

Publication Number Publication Date
JPS5685913A true JPS5685913A (en) 1981-07-13

Family

ID=19834200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16012780A Pending JPS5685913A (en) 1979-11-19 1980-11-15 Electronic differential controller

Country Status (6)

Country Link
US (1) US4380739A (ja)
JP (1) JPS5685913A (ja)
DE (1) DE3043262A1 (ja)
FR (1) FR2470492A1 (ja)
GB (1) GB2064249B (ja)
NL (1) NL7908411A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4426625A (en) * 1981-08-27 1984-01-17 Rca Corporation Circuit for linearly gain controlling a differential amplifier
US4471321A (en) * 1982-12-17 1984-09-11 Precision Monolithics, Inc. Input current compensation circuit for superbeta transistor amplifier
DE69428823T2 (de) * 1993-04-19 2002-08-22 Sanyo Electric Co Schaltung mit hoher Impedanz
US6317502B1 (en) * 1996-02-29 2001-11-13 Sanyo Electric Co., Ltd. Electronic volume control circuit with controlled output characteristic
US6046640A (en) * 1997-11-07 2000-04-04 Analog Devices, Inc. Switched-gain cascode amplifier using loading network for gain control
US5999056A (en) * 1998-06-30 1999-12-07 Philips Electronics North Amercia Corporation Variable gain amplifier using impedance network
IT1319142B1 (it) * 2000-11-28 2003-09-23 St Microelectronics Srl Amplificatore a basso rumore
EP1645040B1 (en) * 2003-07-07 2018-09-05 Analog Devices, Inc. Variable attenuation system having continuous input steering

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568912A (en) * 1979-07-05 1981-01-29 Matsushita Electric Ind Co Ltd Gain control circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5620723B2 (ja) * 1972-07-22 1981-05-15
JPS5625815B2 (ja) * 1974-02-14 1981-06-15
FR2426360A1 (fr) * 1978-05-16 1979-12-14 Trt Telecom Radio Electr Amplificateur symetriseur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568912A (en) * 1979-07-05 1981-01-29 Matsushita Electric Ind Co Ltd Gain control circuit

Also Published As

Publication number Publication date
GB2064249A (en) 1981-06-10
DE3043262A1 (de) 1981-05-21
NL7908411A (nl) 1981-06-16
US4380739A (en) 1983-04-19
FR2470492B1 (ja) 1984-09-21
GB2064249B (en) 1984-06-06
DE3043262C2 (ja) 1988-11-10
FR2470492A1 (fr) 1981-05-29

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