FR987023A - Amplificateur à lampes thermioniques à étages multiples - Google Patents

Amplificateur à lampes thermioniques à étages multiples

Info

Publication number
FR987023A
FR987023A FR987023DA FR987023A FR 987023 A FR987023 A FR 987023A FR 987023D A FR987023D A FR 987023DA FR 987023 A FR987023 A FR 987023A
Authority
FR
France
Prior art keywords
tube amplifier
thermionic tube
stage thermionic
stage
amplifier
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR987023A publication Critical patent/FR987023A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H03K4/39—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier
    • H03K4/43—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier combined with means for generating the driving pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • General Induction Heating (AREA)
FR987023D 1948-01-30 1949-01-29 Amplificateur à lampes thermioniques à étages multiples Expired FR987023A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB279474X 1948-01-30
GB180149X 1949-01-18

Publications (1)

Publication Number Publication Date
FR987023A true FR987023A (fr) 1951-08-08

Family

ID=26253064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987023D Expired FR987023A (fr) 1948-01-30 1949-01-29 Amplificateur à lampes thermioniques à étages multiples

Country Status (4)

Country Link
CH (1) CH279474A (fr)
DE (1) DE887827C (fr)
FR (1) FR987023A (fr)
GB (1) GB657026A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE746522C (de) * 1939-03-17 1944-08-03 Fernseh Gmbh Anordnung zur Verminderung der in Verstaerkern, insbesondere in der ersten Verstaerkerstufe auftretenden Stoerungen (Roehrenrauschen, Mikrophonie o. dgl.) bei Verstaerkern mit Gegenkopplung

Also Published As

Publication number Publication date
DE887827C (de) 1953-08-27
GB657026A (en) 1951-09-05
CH279474A (de) 1951-11-30

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