GB668210A - Improvements in or relating to thermionic-valve power amplifiers - Google Patents

Improvements in or relating to thermionic-valve power amplifiers

Info

Publication number
GB668210A
GB668210A GB24748/49A GB2474849A GB668210A GB 668210 A GB668210 A GB 668210A GB 24748/49 A GB24748/49 A GB 24748/49A GB 2474849 A GB2474849 A GB 2474849A GB 668210 A GB668210 A GB 668210A
Authority
GB
United Kingdom
Prior art keywords
stages
amplifier
impedance
grid
output
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
GB24748/49A
Other languages
English (en)
Inventor
Nv Philips
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
Philips Electronics 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
Application filed by Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB668210A publication Critical patent/GB668210A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/16Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/20Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to anode
    • 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
    • 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
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/26Push-pull amplifiers; Phase-splitters therefor
    • H03F3/28Push-pull amplifiers; Phase-splitters therefor with tubes only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/50Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
    • H03F3/52Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB24748/49A 1948-09-30 1949-09-27 Improvements in or relating to thermionic-valve power amplifiers Expired GB668210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL142578A NL83153C (en:Method) 1948-09-30 1948-09-30

Publications (1)

Publication Number Publication Date
GB668210A true GB668210A (en) 1952-03-12

Family

ID=19782131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24748/49A Expired GB668210A (en) 1948-09-30 1949-09-27 Improvements in or relating to thermionic-valve power amplifiers

Country Status (5)

Country Link
BE (1) BE491388A (en:Method)
CH (1) CH276296A (en:Method)
FR (1) FR996348A (en:Method)
GB (1) GB668210A (en:Method)
NL (1) NL83153C (en:Method)

Also Published As

Publication number Publication date
FR996348A (fr) 1951-12-18
NL83153C (en:Method) 1956-10-15
BE491388A (fr) 1950-03-28
CH276296A (de) 1951-06-30

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