FR861550A - Low frequency amplifier - Google Patents

Low frequency amplifier

Info

Publication number
FR861550A
FR861550A FR861550DA FR861550A FR 861550 A FR861550 A FR 861550A FR 861550D A FR861550D A FR 861550DA FR 861550 A FR861550 A FR 861550A
Authority
FR
France
Prior art keywords
low frequency
frequency amplifier
amplifier
low
frequency
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
French (fr)
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR861550A publication Critical patent/FR861550A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes 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
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR861550D 1938-11-15 1939-11-14 Low frequency amplifier Expired FR861550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2250598X 1938-11-15

Publications (1)

Publication Number Publication Date
FR861550A true FR861550A (en) 1941-02-11

Family

ID=7992339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861550D Expired FR861550A (en) 1938-11-15 1939-11-14 Low frequency amplifier

Country Status (2)

Country Link
US (1) US2250598A (en)
FR (1) FR861550A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468082A (en) * 1942-09-12 1949-04-26 Int Standard Electric Corp Thermistor circuit compensating for supply voltage fluctuations
US2514267A (en) * 1945-07-13 1950-07-04 Hartford Nat Bank & Trust Comp Tone control and feedback circuits for audio frequency amplifiers
US2658958A (en) * 1949-07-16 1953-11-10 Wilcox Gay Corp Negative feedback frequency response compensation amplifier system
US2677015A (en) * 1952-06-03 1954-04-27 Us Navy Frequency shift measuring circuit
US2988705A (en) * 1958-10-08 1961-06-13 Gen Dynamics Corp Selective negative-feedback amplifier
US3387292A (en) * 1964-05-01 1968-06-04 Sperry Rand Corp Phase modulation read back circuit

Also Published As

Publication number Publication date
US2250598A (en) 1941-07-29

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