GB1257277A - - Google Patents

Info

Publication number
GB1257277A
GB1257277A GB1257277DA GB1257277A GB 1257277 A GB1257277 A GB 1257277A GB 1257277D A GB1257277D A GB 1257277DA GB 1257277 A GB1257277 A GB 1257277A
Authority
GB
United Kingdom
Prior art keywords
transistor
output
emitter
resistors
capacitor
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1257277A publication Critical patent/GB1257277A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03G3/12—Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB1257277D 1969-09-30 1970-09-29 Expired GB1257277A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691949321 DE1949321B2 (de) 1969-09-30 1969-09-30 Mehrstufiger gegengekoppelter in der Verstärkung umschaltbarer Wechselspannungs transistorverstärker

Publications (1)

Publication Number Publication Date
GB1257277A true GB1257277A (enrdf_load_stackoverflow) 1971-12-15

Family

ID=5746933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257277D Expired GB1257277A (enrdf_load_stackoverflow) 1969-09-30 1970-09-29

Country Status (7)

Country Link
AT (1) AT312056B (enrdf_load_stackoverflow)
BE (1) BE756867A (enrdf_load_stackoverflow)
CH (1) CH515654A (enrdf_load_stackoverflow)
DE (1) DE1949321B2 (enrdf_load_stackoverflow)
FR (1) FR2062835A5 (enrdf_load_stackoverflow)
GB (1) GB1257277A (enrdf_load_stackoverflow)
SE (1) SE363551B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE1949321B2 (de) 1973-11-15
SE363551B (enrdf_load_stackoverflow) 1974-01-21
FR2062835A5 (enrdf_load_stackoverflow) 1971-06-25
BE756867A (fr) 1971-03-30
DE1949321A1 (de) 1971-04-01
AT312056B (de) 1973-12-10
CH515654A (de) 1971-11-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees