DE4038217A1 - Differenzverstaerker - Google Patents

Differenzverstaerker

Info

Publication number
DE4038217A1
DE4038217A1 DE19904038217 DE4038217A DE4038217A1 DE 4038217 A1 DE4038217 A1 DE 4038217A1 DE 19904038217 DE19904038217 DE 19904038217 DE 4038217 A DE4038217 A DE 4038217A DE 4038217 A1 DE4038217 A1 DE 4038217A1
Authority
DE
Germany
Prior art keywords
differential
connection
input
differential amplifier
stages
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
DE19904038217
Other languages
German (de)
English (en)
Other versions
DE4038217C2 (enrdf_load_stackoverflow
Inventor
Rolf Dipl Ing Dr Boehme
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.)
Microchip Technology Munich 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 DE19904038217 priority Critical patent/DE4038217A1/de
Publication of DE4038217A1 publication Critical patent/DE4038217A1/de
Application granted granted Critical
Publication of DE4038217C2 publication Critical patent/DE4038217C2/de
Granted 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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of 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
    • 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
    • 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
    • H03F2203/45371—Indexing scheme relating to differential amplifiers the AAC comprising parallel coupled multiple transistors at their source and gate and drain or at their base and emitter and collector, e.g. in a cascode dif amp, only those forming the composite common source transistor or the composite common emitter transistor respectively
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE19904038217 1989-12-18 1990-11-30 Differenzverstaerker Granted DE4038217A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19904038217 DE4038217A1 (de) 1989-12-18 1990-11-30 Differenzverstaerker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3941676 1989-12-18
DE19904038217 DE4038217A1 (de) 1989-12-18 1990-11-30 Differenzverstaerker

Publications (2)

Publication Number Publication Date
DE4038217A1 true DE4038217A1 (de) 1991-06-20
DE4038217C2 DE4038217C2 (enrdf_load_stackoverflow) 1993-08-12

Family

ID=25888091

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904038217 Granted DE4038217A1 (de) 1989-12-18 1990-11-30 Differenzverstaerker

Country Status (1)

Country Link
DE (1) DE4038217A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0777322A1 (fr) * 1995-11-29 1997-06-04 Philips Composants Et Semiconducteurs Amplificateur de tension à large plage de variation et convertisseur analogique/numérique comportant un tel amplificateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008056562B4 (de) 2008-11-10 2016-02-04 Atmel Corp. Schaltung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460872A (en) * 1981-12-03 1984-07-17 Inventab Audio Kb Low noise differential amplifier
DE3409820C2 (de) * 1984-03-17 1986-05-07 Telefunken electronic GmbH, 7100 Heilbronn Fotostrom-Verstärker
DE3522416A1 (de) * 1985-06-22 1987-01-02 Standard Elektrik Lorenz Ag Regelbare breitbandverstaerkerschaltung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460872A (en) * 1981-12-03 1984-07-17 Inventab Audio Kb Low noise differential amplifier
DE3409820C2 (de) * 1984-03-17 1986-05-07 Telefunken electronic GmbH, 7100 Heilbronn Fotostrom-Verstärker
DE3522416A1 (de) * 1985-06-22 1987-01-02 Standard Elektrik Lorenz Ag Regelbare breitbandverstaerkerschaltung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP 60-103706 A. In: Patents Abstr. of Japan, Sect. E., Vol. 9 (1985), Nr. 255 (E-349) *
JP 62-190908 A. In: Patents Abstr. of Japan, Sect. E., Vol. 12 (1988), Nr. 38 (E-580) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0777322A1 (fr) * 1995-11-29 1997-06-04 Philips Composants Et Semiconducteurs Amplificateur de tension à large plage de variation et convertisseur analogique/numérique comportant un tel amplificateur
US5774086A (en) * 1995-11-29 1998-06-30 U.S. Philips Corporation Voltage amplifier having a large range of variations, and A/D converter comprising such an amplifier

Also Published As

Publication number Publication date
DE4038217C2 (enrdf_load_stackoverflow) 1993-08-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, 7100 HEILBR

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TEMIC SEMICONDUCTOR GMBH, 74072 HEILBRONN, DE

8320 Willingness to grant licenses declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: ATMEL GERMANY GMBH, 74072 HEILBRONN, DE

8327 Change in the person/name/address of the patent owner

Owner name: ATMEL AUTOMOTIVE GMBH, 74072 HEILBRONN, DE

8339 Ceased/non-payment of the annual fee