FR854456A - Filtre de bande - Google Patents

Filtre de bande

Info

Publication number
FR854456A
FR854456A FR854456DA FR854456A FR 854456 A FR854456 A FR 854456A FR 854456D A FR854456D A FR 854456DA FR 854456 A FR854456 A FR 854456A
Authority
FR
France
Prior art keywords
band filter
band
filter
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR854456A publication Critical patent/FR854456A/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
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
FR854456D 1938-05-09 1939-05-08 Filtre de bande Expired FR854456A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US208718A US2185389A (en) 1938-05-09 1938-05-09 Feedback amplifier filter

Publications (1)

Publication Number Publication Date
FR854456A true FR854456A (fr) 1940-04-16

Family

ID=22775740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854456D Expired FR854456A (fr) 1938-05-09 1939-05-08 Filtre de bande

Country Status (3)

Country Link
US (1) US2185389A (fr)
FR (1) FR854456A (fr)
GB (1) GB528252A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605358A (en) * 1946-01-30 1952-07-29 Leland K Neher Low pass filter
NL187239B (nl) * 1953-06-08 Boehringer Mannheim Gmbh N-gesubstitueerd 2-cyaanaziridinederivaat, werkwijze voor het bereiden daarvan en farmaceutisch preparaat dat een dergelijk preparaat bevat.
GB0313781D0 (en) * 2003-06-13 2003-07-23 Sepura Ltd Amplifier impedance matching

Also Published As

Publication number Publication date
GB528252A (en) 1940-10-25
US2185389A (en) 1940-01-02

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