FR38523E - DC amplifier with two lamps in series heated by the anode current source - Google Patents

DC amplifier with two lamps in series heated by the anode current source

Info

Publication number
FR38523E
FR38523E FR38523DA FR38523E FR 38523 E FR38523 E FR 38523E FR 38523D A FR38523D A FR 38523DA FR 38523 E FR38523 E FR 38523E
Authority
FR
France
Prior art keywords
lamps
amplifier
current source
anode current
series heated
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)
Inventor
Erich Asch
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 filed Critical
Application granted granted Critical
Publication of FR38523E publication Critical patent/FR38523E/en
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
    • H03F1/42—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
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—Dc amplifiers in which all stages are dc-coupled
    • H03F3/36—Dc amplifiers in which all stages are dc-coupled with tubes only
FR38523D 1927-11-10 1930-04-15 DC amplifier with two lamps in series heated by the anode current source Expired FR38523E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1862393X 1927-11-10
DE1862394X 1929-01-08

Publications (1)

Publication Number Publication Date
FR38523E true FR38523E (en) 1931-06-13

Family

ID=26011370

Family Applications (3)

Application Number Title Priority Date Filing Date
FR665225D Expired FR665225A (en) 1927-11-10 1928-11-09 DC amplifier with two lamps in series heated by the anode current source
FR37878D Expired FR37878E (en) 1927-11-10 1930-01-07 DC amplifier with two lamps in series heated by the anode current source
FR38523D Expired FR38523E (en) 1927-11-10 1930-04-15 DC amplifier with two lamps in series heated by the anode current source

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR665225D Expired FR665225A (en) 1927-11-10 1928-11-09 DC amplifier with two lamps in series heated by the anode current source
FR37878D Expired FR37878E (en) 1927-11-10 1930-01-07 DC amplifier with two lamps in series heated by the anode current source

Country Status (3)

Country Link
US (2) US1862393A (en)
BE (2) BE369493A (en)
FR (3) FR665225A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL142201B (en) * 1947-11-28 Alcan Res & Dev METHOD FOR COLORING AN ANODICAL OXIDIZED ALUMINUM WORKPIECE, AND ANODICAL OXIDIZED WORKPIECE THUS COLORED.
BE510399A (en) * 1951-04-04

Also Published As

Publication number Publication date
BE366789A (en)
US1862393A (en) 1932-06-07
US1862394A (en) 1932-06-07
FR37878E (en) 1931-02-04
FR665225A (en) 1929-09-16
BE369493A (en)

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