CH270144A - High-frequency transmitter with a modulation stage and means for reducing distortion. - Google Patents

High-frequency transmitter with a modulation stage and means for reducing distortion.

Info

Publication number
CH270144A
CH270144A CH270144DA CH270144A CH 270144 A CH270144 A CH 270144A CH 270144D A CH270144D A CH 270144DA CH 270144 A CH270144 A CH 270144A
Authority
CH
Switzerland
Prior art keywords
frequency transmitter
modulation stage
reducing distortion
distortion
modulation
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH270144A publication Critical patent/CH270144A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/22—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to same grid
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
    • H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
    • H03C1/20—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to anode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • 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
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H03H7/383—Impedance-matching networks comprising distributed impedance elements together with lumped impedance elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH270144D 1942-11-16 1947-11-10 High-frequency transmitter with a modulation stage and means for reducing distortion. CH270144A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US465712A US2393709A (en) 1942-11-16 1942-11-16 Distortion reduction on modulated amplifiers

Publications (1)

Publication Number Publication Date
CH270144A true CH270144A (en) 1950-08-15

Family

ID=23848869

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270144D CH270144A (en) 1942-11-16 1947-11-10 High-frequency transmitter with a modulation stage and means for reducing distortion.

Country Status (4)

Country Link
US (1) US2393709A (en)
BE (1) BE470453A (en)
CH (1) CH270144A (en)
GB (1) GB566844A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL72257C (en) * 1943-03-27
US2571045A (en) * 1945-08-08 1951-10-09 Alan B Macnee Amplifier coupling circuit
FR959970A (en) * 1946-10-18 1950-04-07
US2743356A (en) * 1949-06-25 1956-04-24 Rca Corp Tunable frequency systems of constant band width
BE506890A (en) * 1950-11-06
NL237518A (en) * 1958-04-08
US3290653A (en) * 1963-01-10 1966-12-06 Control Data Corp Single ended to double ended to single ended communication system

Also Published As

Publication number Publication date
GB566844A (en) 1945-01-16
BE470453A (en)
US2393709A (en) 1946-01-29

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