FR50645E - Modulator assembly for high efficiency high frequency transmitters - Google Patents

Modulator assembly for high efficiency high frequency transmitters

Info

Publication number
FR50645E
FR50645E FR50645DA FR50645E FR 50645 E FR50645 E FR 50645E FR 50645D A FR50645D A FR 50645DA FR 50645 E FR50645 E FR 50645E
Authority
FR
France
Prior art keywords
frequency transmitters
modulator assembly
high frequency
high efficiency
efficiency high
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR50645E publication Critical patent/FR50645E/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
    • H03F1/02—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR50645D 1937-05-20 1939-06-12 Modulator assembly for high efficiency high frequency transmitters Expired FR50645E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DET48645D DE732751C (en) 1937-05-20 1937-05-20 Circuit to improve the efficiency of modulated high-frequency transmitters
DET50535D DE705317C (en) 1937-05-20 1938-06-14 Modulation circuit to achieve good efficiency

Publications (1)

Publication Number Publication Date
FR50645E true FR50645E (en) 1941-01-27

Family

ID=26000682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50645D Expired FR50645E (en) 1937-05-20 1939-06-12 Modulator assembly for high efficiency high frequency transmitters

Country Status (2)

Country Link
DE (2) DE732751C (en)
FR (1) FR50645E (en)

Also Published As

Publication number Publication date
DE732751C (en) 1943-03-11
DE705317C (en) 1941-04-24

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