DE1071136B - - Google Patents

Info

Publication number
DE1071136B
DE1071136B DENDAT1071136D DE1071136DA DE1071136B DE 1071136 B DE1071136 B DE 1071136B DE NDAT1071136 D DENDAT1071136 D DE NDAT1071136D DE 1071136D A DE1071136D A DE 1071136DA DE 1071136 B DE1071136 B DE 1071136B
Authority
DE
Germany
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
DENDAT1071136D
Other languages
German (de)
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.)
Publication of DE1071136B publication Critical patent/DE1071136B/de
Pending legal-status Critical Current

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)
DENDAT1071136D 1957-05-24 Pending DE1071136B (OSRAM)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE1071136B true DE1071136B (OSRAM)

Family

ID=4563117

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT1071136D Pending DE1071136B (OSRAM) 1957-05-24

Country Status (4)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132975B (de) * 1960-11-23 1962-07-12 Wolfgang Assmann G M B H Regelschaltung fuer transistorisierte Verstaerker
DE1247405B (de) * 1960-06-09 1967-08-17 Telefunken Patent In einem weiten Bereich regelbarer einstufiger Transistorverstaerker
DE1276737B (de) * 1966-03-01 1968-09-05 Graetz Kommanditgesellschaft Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers
DE3016821A1 (de) * 1980-05-02 1981-11-12 Honeywell Gmbh, 6050 Offenbach Elektronischer naeherungsschalter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL105186C (OSRAM) * 1958-12-12
US3412340A (en) * 1966-03-03 1968-11-19 Bendix Corp Variable attenuation circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3016821A1 (de) * 1980-05-02 1981-11-12 Honeywell Gmbh, 6050 Offenbach Elektronischer naeherungsschalter

Also Published As

Publication number Publication date
CH350993A (de) 1960-12-31
BE567879A (OSRAM)
FR1209160A (fr) 1960-02-29

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