NL7908411A - Electronische differentiaal regelaar. - Google Patents

Electronische differentiaal regelaar. Download PDF

Info

Publication number
NL7908411A
NL7908411A NL7908411A NL7908411A NL7908411A NL 7908411 A NL7908411 A NL 7908411A NL 7908411 A NL7908411 A NL 7908411A NL 7908411 A NL7908411 A NL 7908411A NL 7908411 A NL7908411 A NL 7908411A
Authority
NL
Netherlands
Prior art keywords
transistor
collector
resistors
point
transistors
Prior art date
Application number
NL7908411A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL7908411A priority Critical patent/NL7908411A/nl
Priority to US06/198,097 priority patent/US4380739A/en
Priority to FR8024271A priority patent/FR2470492A1/fr
Priority to GB8036564A priority patent/GB2064249B/en
Priority to JP16012780A priority patent/JPS5685913A/ja
Priority to DE19803043262 priority patent/DE3043262A1/de
Publication of NL7908411A publication Critical patent/NL7908411A/nl

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)
NL7908411A 1979-11-19 1979-11-19 Electronische differentiaal regelaar. NL7908411A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL7908411A NL7908411A (nl) 1979-11-19 1979-11-19 Electronische differentiaal regelaar.
US06/198,097 US4380739A (en) 1979-11-19 1980-10-17 Electronic differential controller
FR8024271A FR2470492A1 (fr) 1979-11-19 1980-11-14 Dispositif de reglage differentiel electronique
GB8036564A GB2064249B (en) 1979-11-19 1980-11-14 Electronic differential controller
JP16012780A JPS5685913A (en) 1979-11-19 1980-11-15 Electronic differential controller
DE19803043262 DE3043262A1 (de) 1979-11-19 1980-11-15 Elektronischer differentialregler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7908411A NL7908411A (nl) 1979-11-19 1979-11-19 Electronische differentiaal regelaar.
NL7908411 1979-11-19

Publications (1)

Publication Number Publication Date
NL7908411A true NL7908411A (nl) 1981-06-16

Family

ID=19834200

Family Applications (1)

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

Country Status (6)

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

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
EP0621688B1 (de) * 1993-04-19 2001-10-31 SANYO ELECTRIC Co., Ltd. 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
WO2005008904A2 (en) * 2003-07-07 2005-01-27 Analog Devices, Inc. Variable attenuation system having continuous input steering

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932570A (de) * 1972-07-22 1974-03-25
JPS5625815B2 (de) * 1974-02-14 1981-06-15
FR2426360A1 (fr) * 1978-05-16 1979-12-14 Trt Telecom Radio Electr Amplificateur symetriseur
JPS568912A (en) * 1979-07-05 1981-01-29 Matsushita Electric Ind Co Ltd Gain control circuit

Also Published As

Publication number Publication date
GB2064249B (en) 1984-06-06
DE3043262C2 (de) 1988-11-10
FR2470492B1 (de) 1984-09-21
DE3043262A1 (de) 1981-05-21
FR2470492A1 (fr) 1981-05-29
JPS5685913A (en) 1981-07-13
US4380739A (en) 1983-04-19
GB2064249A (en) 1981-06-10

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed