GB506660A - Improvements in or relating to modulated carrier wave transmitters - Google Patents

Improvements in or relating to modulated carrier wave transmitters

Info

Publication number
GB506660A
GB506660A GB33252/37A GB3325237A GB506660A GB 506660 A GB506660 A GB 506660A GB 33252/37 A GB33252/37 A GB 33252/37A GB 3325237 A GB3325237 A GB 3325237A GB 506660 A GB506660 A GB 506660A
Authority
GB
United Kingdom
Prior art keywords
valve
anode
tuned circuit
carrier
carrier 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
GB33252/37A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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
Priority to NL66638D priority Critical patent/NL66638C/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB33252/37A priority patent/GB506660A/en
Priority to US243111A priority patent/US2238255A/en
Priority to FR846889D priority patent/FR846889A/fr
Publication of GB506660A publication Critical patent/GB506660A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06Modifications 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/52Modulators in which carrier or one sideband is wholly or partially suppressed
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06Modifications 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
    • H03F1/07Doherty-type amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB33252/37A 1937-12-01 1937-12-01 Improvements in or relating to modulated carrier wave transmitters Expired GB506660A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL66638D NL66638C (fr) 1937-12-01
GB33252/37A GB506660A (en) 1937-12-01 1937-12-01 Improvements in or relating to modulated carrier wave transmitters
US243111A US2238255A (en) 1937-12-01 1938-11-30 Modulated carrier wave transmitter
FR846889D FR846889A (fr) 1937-12-01 1938-12-01 Perfectionnements aux émetteurs d'ondes porteuses moudlées

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33252/37A GB506660A (en) 1937-12-01 1937-12-01 Improvements in or relating to modulated carrier wave transmitters

Publications (1)

Publication Number Publication Date
GB506660A true GB506660A (en) 1939-06-01

Family

ID=10350509

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33252/37A Expired GB506660A (en) 1937-12-01 1937-12-01 Improvements in or relating to modulated carrier wave transmitters

Country Status (4)

Country Link
US (1) US2238255A (fr)
FR (1) FR846889A (fr)
GB (1) GB506660A (fr)
NL (1) NL66638C (fr)

Also Published As

Publication number Publication date
US2238255A (en) 1941-04-15
NL66638C (fr)
FR846889A (fr) 1939-09-27

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