FR867663A - Systèmes modulateurs - Google Patents

Systèmes modulateurs

Info

Publication number
FR867663A
FR867663A FR867663DA FR867663A FR 867663 A FR867663 A FR 867663A FR 867663D A FR867663D A FR 867663DA FR 867663 A FR867663 A FR 867663A
Authority
FR
France
Prior art keywords
modulator systems
modulator
systems
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867663A publication Critical patent/FR867663A/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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications 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
    • H03F1/07—Doherty-type 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR867663D 1939-06-10 1940-11-08 Systèmes modulateurs Expired FR867663A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US278526A US2238236A (en) 1939-06-10 1939-06-10 Modulation system

Publications (1)

Publication Number Publication Date
FR867663A true FR867663A (fr) 1941-11-21

Family

ID=23065316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867663D Expired FR867663A (fr) 1939-06-10 1940-11-08 Systèmes modulateurs

Country Status (3)

Country Link
US (1) US2238236A (fr)
BE (2) BE468893A (fr)
FR (1) FR867663A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2616075A (en) * 1945-06-16 1952-10-28 Rca Corp Signal voltage frequency converter
US2487212A (en) * 1946-06-19 1949-11-08 Zenith Radio Corp High efficiency modulator
NL79855C (fr) * 1949-11-02
US3114107A (en) * 1960-12-06 1963-12-10 Packard Bell Electronics Corp Radio frequency transmitter

Also Published As

Publication number Publication date
US2238236A (en) 1941-04-15
BE441445A (fr)
BE468893A (fr)

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