CH350993A - Transistorverstärker - Google Patents

Transistorverstärker

Info

Publication number
CH350993A
CH350993A CH350993DA CH350993A CH 350993 A CH350993 A CH 350993A CH 350993D A CH350993D A CH 350993DA CH 350993 A CH350993 A CH 350993A
Authority
CH
Switzerland
Prior art keywords
transistor amplifier
amplifier
transistor
Prior art date
Application number
Other languages
English (en)
Inventor
Techn Guggenbuehl Walter Di Sc
Original Assignee
Contraves Ag
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 Contraves Ag filed Critical Contraves Ag
Publication of CH350993A publication Critical patent/CH350993A/de

Links

Classifications

    • 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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3063—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one transistor as controlling device, the transistor being used as a variable impedance device

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CH350993D 1957-05-24 1957-05-24 Transistorverstärker CH350993A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1209160X 1957-05-24

Publications (1)

Publication Number Publication Date
CH350993A true CH350993A (de) 1960-12-31

Family

ID=4563117

Family Applications (1)

Application Number Title Priority Date Filing Date
CH350993D CH350993A (de) 1957-05-24 1957-05-24 Transistorverstärker

Country Status (4)

Country Link
BE (1) BE567879A (de)
CH (1) CH350993A (de)
DE (1) DE1071136B (de)
FR (1) FR1209160A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512671B1 (de) * 1966-03-03 1971-02-11 The Bendix Corp Schaltung mit veränderlicher Dämpfung grosser Amplituden

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL105186C (de) * 1958-12-12
DE1247405B (de) * 1960-06-09 1967-08-17 Telefunken Patent In einem weiten Bereich regelbarer einstufiger Transistorverstaerker
DE1132975B (de) * 1960-11-23 1962-07-12 Wolfgang Assmann G M B H Regelschaltung fuer transistorisierte Verstaerker
DE1276737B (de) * 1966-03-01 1968-09-05 Graetz Kommanditgesellschaft Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1512671B1 (de) * 1966-03-03 1971-02-11 The Bendix Corp Schaltung mit veränderlicher Dämpfung grosser Amplituden

Also Published As

Publication number Publication date
FR1209160A (fr) 1960-02-29
DE1071136B (de)
BE567879A (de)

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