FR58680E - Montage amplificateur à amplification constante ou presque - Google Patents

Montage amplificateur à amplification constante ou presque

Info

Publication number
FR58680E
FR58680E FR58680DA FR58680E FR 58680 E FR58680 E FR 58680E FR 58680D A FR58680D A FR 58680DA FR 58680 E FR58680 E FR 58680E
Authority
FR
France
Prior art keywords
constant
amplification
amplifier assembly
amplifier
assembly
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)
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 NL131233A external-priority patent/NL89155C/xx
Priority claimed from NL134367A external-priority patent/NL85803C/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR58680E publication Critical patent/FR58680E/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52Circuit arrangements for protecting such amplifiers
    • H03F1/54Circuit arrangements for protecting such amplifiers with tubes only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
    • H03F3/40DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with tubes only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/22Automatic control in amplifiers having discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR58680D 1943-03-19 1948-08-23 Montage amplificateur à amplification constante ou presque Expired FR58680E (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL860818X 1943-03-19
NL131233A NL89155C (fr) 1947-03-25 1947-03-25
NL134367A NL85803C (fr) 1947-08-25 1947-08-25

Publications (1)

Publication Number Publication Date
FR58680E true FR58680E (fr) 1954-03-02

Family

ID=31998807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58680D Expired FR58680E (fr) 1943-03-19 1948-08-23 Montage amplificateur à amplification constante ou presque

Country Status (1)

Country Link
FR (1) FR58680E (fr)

Similar Documents

Publication Publication Date Title
FR933247A (fr) Perfectionnements aux amplificateurs à large bande de fréquences
FR902789A (fr) Montage amplificateur à amplification constante ou presque
FR58107E (fr) Montage amplificateur à amplification constante ou presque
FR898262A (fr) Montage amplificateur
FR905048A (fr) Montage régulateur
CH244197A (de) Magnetischer Verstärker.
FR919140A (fr) Perfectionnements aux fusées
FR58680E (fr) Montage amplificateur à amplification constante ou presque
FR949004A (fr) Amplificateur à large bande
FR923062A (fr) Montage amplificateur d'oscillations électriques
FR913476A (fr) Appareil de réception, avec amplificateur à superréaction
FR936806A (fr) Montage amplificateur
FR939408A (fr) Perfectionnements aux aériens ajustables
FR902400A (fr) Récepteur de t. s. f. à contre-réaction en basse fréquence et à amplification réglable
FR902369A (fr) Amplificateur à contre-réaction
FR906458A (fr) Amplificateur à étages
FR893782A (fr) Système télescopique à champ stabilisé
CH244138A (de) Drehmomentverstärker.
CH271258A (fr) Microphone du type à résistance variable.
FR898504A (fr) Perfectionnements aux ventilateurs
FR899244A (fr) Perfectionnements aux systèmes amplificateurs à contre-réaction
FR902375A (fr) Amplificateur à impédance de charge variable ou interchangeable
FR900025A (fr) Perfectionnements aux amplificateurs à contre-réaction
FR900073A (fr) Montage amplificateur
FR893441A (fr) Montage amplificateur