DE4101892A1 - Transkonduktanzverstaerker - Google Patents

Transkonduktanzverstaerker

Info

Publication number
DE4101892A1
DE4101892A1 DE19914101892 DE4101892A DE4101892A1 DE 4101892 A1 DE4101892 A1 DE 4101892A1 DE 19914101892 DE19914101892 DE 19914101892 DE 4101892 A DE4101892 A DE 4101892A DE 4101892 A1 DE4101892 A1 DE 4101892A1
Authority
DE
Germany
Prior art keywords
amplifier
control
transconductance amplifier
transconductance
voltage
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.)
Granted
Application number
DE19914101892
Other languages
German (de)
English (en)
Other versions
DE4101892C2 (enExample
Inventor
Juergen Dipl Ing Eckert
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.)
Aumovio Microelectronic GmbH
Original Assignee
Telefunken Electronic GmbH
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 Telefunken Electronic GmbH filed Critical Telefunken Electronic GmbH
Priority to DE19914101892 priority Critical patent/DE4101892A1/de
Publication of DE4101892A1 publication Critical patent/DE4101892A1/de
Application granted granted Critical
Publication of DE4101892C2 publication Critical patent/DE4101892C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45085—Long tailed pairs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/56—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
    • G05F1/561—Voltage to current converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45508—Indexing scheme relating to differential amplifiers the CSC comprising a voltage generating circuit as bias circuit for the CSC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45571—Indexing scheme relating to differential amplifiers the IC comprising two diodes, e.g. Gilbert circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45581—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors as level shifters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45612—Indexing scheme relating to differential amplifiers the IC comprising one or more input source followers as input stages in the IC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45652—Indexing scheme relating to differential amplifiers the LC comprising one or more further dif amp stages, either identical to the dif amp or not, in cascade
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45672—Indexing scheme relating to differential amplifiers the LC comprising one or more resistors as level shifter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45674—Indexing scheme relating to differential amplifiers the LC comprising one current mirror
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45722—Indexing scheme relating to differential amplifiers the LC comprising one or more source followers, as post buffer or driver stages, in cascade in the LC

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Networks Using Active Elements (AREA)
DE19914101892 1991-01-23 1991-01-23 Transkonduktanzverstaerker Granted DE4101892A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914101892 DE4101892A1 (de) 1991-01-23 1991-01-23 Transkonduktanzverstaerker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914101892 DE4101892A1 (de) 1991-01-23 1991-01-23 Transkonduktanzverstaerker

Publications (2)

Publication Number Publication Date
DE4101892A1 true DE4101892A1 (de) 1992-07-30
DE4101892C2 DE4101892C2 (enExample) 1993-04-01

Family

ID=6423541

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914101892 Granted DE4101892A1 (de) 1991-01-23 1991-01-23 Transkonduktanzverstaerker

Country Status (1)

Country Link
DE (1) DE4101892A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627813A1 (en) * 1993-06-04 1994-12-07 Koninklijke Philips Electronics N.V. Integrated amplifier with an accurately defined gain factor
DE19814681B4 (de) * 1998-04-01 2008-11-13 Infineon Technologies Ag Current-Mode-Schaltregler

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792367A (en) * 1972-05-01 1974-02-12 Bell Telephone Labor Inc Active controllable filter circuit using variable transconductance amplifier
US3805091A (en) * 1972-06-15 1974-04-16 Arp Instr Frequency sensitive circuit employing variable transconductance circuit
US3924199A (en) * 1974-02-04 1975-12-02 Arp Instr N-pole filter circuit having cascaded filter sections
US4288707A (en) * 1978-03-14 1981-09-08 Tokyo Shibaura Denki Kabushiki Kaisha Electrically variable impedance circuit
DE2931525C2 (de) * 1979-08-03 1986-08-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Stabilisierung des Gleichstromarbeitspunktes eines Differenzverstärkers
DE3803179A1 (de) * 1987-02-04 1988-08-18 Toshiba Kawasaki Kk Schwingungsschaltung fuer eine integrierte schaltungsanordnung
US4774476A (en) * 1987-07-06 1988-09-27 Motorola, Inc. Linearized differential amplifier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792367A (en) * 1972-05-01 1974-02-12 Bell Telephone Labor Inc Active controllable filter circuit using variable transconductance amplifier
US3805091A (en) * 1972-06-15 1974-04-16 Arp Instr Frequency sensitive circuit employing variable transconductance circuit
US3924199A (en) * 1974-02-04 1975-12-02 Arp Instr N-pole filter circuit having cascaded filter sections
US4288707A (en) * 1978-03-14 1981-09-08 Tokyo Shibaura Denki Kabushiki Kaisha Electrically variable impedance circuit
DE2931525C2 (de) * 1979-08-03 1986-08-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Stabilisierung des Gleichstromarbeitspunktes eines Differenzverstärkers
DE3803179A1 (de) * 1987-02-04 1988-08-18 Toshiba Kawasaki Kk Schwingungsschaltung fuer eine integrierte schaltungsanordnung
US4774476A (en) * 1987-07-06 1988-09-27 Motorola, Inc. Linearized differential amplifier

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DE-Z: FRIEDRICH, Helmut: Das Zauberwort heißt "Transimpedanz-Verstärker".Neue Wege zum Aufbau von Operationsverstärkern. In: Elektronik 26/ 23.12.1987, S.116-118 *
DE-Z: PLASSCHE, Rudy J.: Analoge IC: Stand der Technik und Hinweise für ihre Anwendung. In: elektronikpraxis, Nr.4, April 1978, S.32-41 *
GB-Z: MARSTON, Ray: Working with OTA's. In: Radio-Electronics, Mai 1988, S.63-68 *
JP 2-60311 A. In: Patents Abstracts of Japan, E-928, May 15, 1990, Vol.14/No.229 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627813A1 (en) * 1993-06-04 1994-12-07 Koninklijke Philips Electronics N.V. Integrated amplifier with an accurately defined gain factor
US5485124A (en) * 1993-06-04 1996-01-16 U.S. Philips Corporation Integrated amplifier with an accurately defined gain factor
DE19814681B4 (de) * 1998-04-01 2008-11-13 Infineon Technologies Ag Current-Mode-Schaltregler

Also Published As

Publication number Publication date
DE4101892C2 (enExample) 1993-04-01

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, 7100 HEILBR

8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee