FR1390855A - Circuit pour régler le gain d'étages amplificateurs transistorisés montés en cascade - Google Patents

Circuit pour régler le gain d'étages amplificateurs transistorisés montés en cascade

Info

Publication number
FR1390855A
FR1390855A FR972421A FR972421A FR1390855A FR 1390855 A FR1390855 A FR 1390855A FR 972421 A FR972421 A FR 972421A FR 972421 A FR972421 A FR 972421A FR 1390855 A FR1390855 A FR 1390855A
Authority
FR
France
Prior art keywords
cascade
gain
adjusting
circuit
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.)
Expired
Application number
FR972421A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from DEP31689A external-priority patent/DE1176718B/de
Priority claimed from DEP32278A external-priority patent/DE1186514B/de
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR972421A priority Critical patent/FR1390855A/fr
Application granted granted Critical
Publication of FR1390855A publication Critical patent/FR1390855A/fr
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
    • H03G3/20—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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude
    • H03G11/002—Limiting amplitude; Limiting rate of change of amplitude without controlling loop
    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H04N5/53—Keyed automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR972421A 1963-04-27 1964-04-27 Circuit pour régler le gain d'étages amplificateurs transistorisés montés en cascade Expired FR1390855A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR972421A FR1390855A (fr) 1963-04-27 1964-04-27 Circuit pour régler le gain d'étages amplificateurs transistorisés montés en cascade

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP31689A DE1176718B (de) 1963-04-27 1963-04-27 Schaltungsanordnung zum Steuern der Verstaerkung in Serie geschalteter Transistorverstaerkerstufen
DEP32278A DE1186514B (de) 1963-07-25 1963-07-25 Schaltungsanordnung zum Steuern der Verstaerkung in Serie geschalteter Transistorverstaerkerstufen
FR972421A FR1390855A (fr) 1963-04-27 1964-04-27 Circuit pour régler le gain d'étages amplificateurs transistorisés montés en cascade

Publications (1)

Publication Number Publication Date
FR1390855A true FR1390855A (fr) 1965-02-26

Family

ID=27211930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972421A Expired FR1390855A (fr) 1963-04-27 1964-04-27 Circuit pour régler le gain d'étages amplificateurs transistorisés montés en cascade

Country Status (1)

Country Link
FR (1) FR1390855A (fr)

Similar Documents

Publication Publication Date Title
AT299305B (de) Einstufiger Transistorverstärker
FR1381188A (fr) Amplificateur
FR1385286A (fr) Amplificateur du type laser
BR6456877D0 (pt) Amplificador
CH416753A (fr) Circuit amplificateur
AT243855B (de) Parametrischer Verstärker
FR1443492A (fr) Circuit pour le réglage automatique du gain d'amplificateurs basse fréquence
DK116658B (da) Fremgangsmåde til fremstilling af terapeutisk aktive 7α-methyl-Δ<5>-østrener.
FR1398264A (fr) Amplificateur pour microphone à condensateur
FR1375310A (fr) étage terminal pour servo-amplificateur
FR1469743A (fr) Montage d'amplification de haute fréquence
AT243341B (de) Schaltungsanordnung zum Steuern der Verstärkung in Kaskade geschalteter Transistorverstärkerstufen
FR1384539A (fr) Réglage rapproché d'objectifs pancratiques
FR1399568A (fr) Fabrication d'époxycyclooctane
AU293380B2 (en) Improvements in or relating to circuit arrangements for controlling the amplidication of cascade connected transistor amplifying stages
CH402952A (fr) Amplificateur
FR1487942A (fr) Cascade de transistors pour amplification en circuit intégré
AU269782B2 (en) Improved transistor amplifier circuits
CH428843A (de) Gegentaktverstärkerstufe
CA655279A (en) Transistor amplifier circuit
CA668067A (en) Transistor amplifier circuit
AU4367564A (en) Improvements in or relating to circuit arrangements for controlling the amplidication of cascade connected transistor amplifying stages
FR1375360A (fr) Perfectionnement aux amplificateurs pour sourds
CA664388A (en) Reflex transistor amplifier
AU3217763A (en) Improved transistor amplifier circuits