DE2646954A1 - Schaltungsanordnung mit exponentiell oder linear steuerbarer uebertragungsgroesse - Google Patents

Schaltungsanordnung mit exponentiell oder linear steuerbarer uebertragungsgroesse

Info

Publication number
DE2646954A1
DE2646954A1 DE19762646954 DE2646954A DE2646954A1 DE 2646954 A1 DE2646954 A1 DE 2646954A1 DE 19762646954 DE19762646954 DE 19762646954 DE 2646954 A DE2646954 A DE 2646954A DE 2646954 A1 DE2646954 A1 DE 2646954A1
Authority
DE
Germany
Prior art keywords
transistor
current
connection point
input signal
collector
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
DE19762646954
Other languages
German (de)
English (en)
Inventor
Rolf Dr Ing Boehme
Joachim Dipl Ing Konschak
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.)
RFT MESSELEKTRONIK DRESDEN VEB
Original Assignee
RFT MESSELEKTRONIK DRESDEN VEB
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 RFT MESSELEKTRONIK DRESDEN VEB filed Critical RFT MESSELEKTRONIK DRESDEN VEB
Publication of DE2646954A1 publication Critical patent/DE2646954A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
    • 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
    • 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 in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE19762646954 1975-11-04 1976-10-18 Schaltungsanordnung mit exponentiell oder linear steuerbarer uebertragungsgroesse Pending DE2646954A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18921975A DD126612A1 (enrdf_load_stackoverflow) 1975-11-04 1975-11-04

Publications (1)

Publication Number Publication Date
DE2646954A1 true DE2646954A1 (de) 1977-05-12

Family

ID=5502218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762646954 Pending DE2646954A1 (de) 1975-11-04 1976-10-18 Schaltungsanordnung mit exponentiell oder linear steuerbarer uebertragungsgroesse

Country Status (5)

Country Link
CS (1) CS194995B1 (enrdf_load_stackoverflow)
DD (1) DD126612A1 (enrdf_load_stackoverflow)
DE (1) DE2646954A1 (enrdf_load_stackoverflow)
DK (1) DK494176A (enrdf_load_stackoverflow)
GB (1) GB1519069A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367330A1 (en) * 1988-10-26 1990-05-09 Koninklijke Philips Electronics N.V. Linear-gain amplifier arrangement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3329663A1 (de) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn Mehrstufiges signaluebertragungssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367330A1 (en) * 1988-10-26 1990-05-09 Koninklijke Philips Electronics N.V. Linear-gain amplifier arrangement
JP3081210B2 (ja) 1988-10-26 2000-08-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 線形利得増幅回路

Also Published As

Publication number Publication date
DD126612A1 (enrdf_load_stackoverflow) 1977-08-03
GB1519069A (en) 1978-07-26
CS194995B1 (en) 1979-12-31
DK494176A (da) 1977-05-05

Similar Documents

Publication Publication Date Title
EP0359326B1 (de) Vollweg-Gleichrichterschaltung
DE3713376A1 (de) Komparator mit erweitertem eingangsgleichtaktspannungsbereich
EP0087175B1 (de) Schaltung zur elektronischen Verstärkungsstellung
EP0725996B1 (de) Steuerschaltung
DE69403739T2 (de) Spannung-Strom-Umsetzter
DE3024142A1 (de) Schaltungsanordnung mit zwei ueber kreuz gekoppelten differenzverstaerkern
DE2363624A1 (de) Schaltungsanordnung zur subtraktion eines vielfachen eines ersten eingangsstromes von einem zweiten eingangsstrom
DE3230429C2 (enrdf_load_stackoverflow)
DE3302991A1 (de) Trigonometrischer funktionsgenerator
EP1033809B1 (de) Differenzverstärker
DE2924171C2 (enrdf_load_stackoverflow)
DE69112104T2 (de) Verstärkerschaltung.
DE2810167C2 (de) Transistorverstärker
DE2951637C2 (de) Einstellbarer Transistor-Differenzverstärker
DE2646954A1 (de) Schaltungsanordnung mit exponentiell oder linear steuerbarer uebertragungsgroesse
DE2060192C3 (de) Schaltungsanordnung zur verzögerungsfreien Verstärkungssteuerung
DE69317531T2 (de) Universeller Signalumwandler
DE2648080C3 (de) Breitbandverstärker mit veränderbarer Verstärkung
EP0682305B1 (de) Schaltungsanordnung zur Erzeugung eines Referenzstroms
EP0237086A1 (de) Stromspiegelschaltung
DE3243706C1 (de) ECL-TTL-Signalpegelwandler
DE3115051C2 (de) Spannungs/Strom-Wandlerschaltung
DE2911171C2 (de) Schaltung für die Ansteuerung eines Stromquelletransistors
DE2942862C2 (enrdf_load_stackoverflow)
DE2849153C2 (de) Schaltungsanordnung zur Erzeugung einer konstanten Hilfsgleichspannung

Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee