CH271263A - Dispositif modulateur pour ondes radioélectriques. - Google Patents

Dispositif modulateur pour ondes radioélectriques.

Info

Publication number
CH271263A
CH271263A CH271263DA CH271263A CH 271263 A CH271263 A CH 271263A CH 271263D A CH271263D A CH 271263DA CH 271263 A CH271263 A CH 271263A
Authority
CH
Switzerland
Prior art keywords
radio waves
modulator device
modulator
waves
radio
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
S A Standard Telephone E Radio
Original Assignee
Standard Telephone & Radio Sa
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 Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH271263A publication Critical patent/CH271263A/fr

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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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
    • 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
    • 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
    • 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)
CH271263D 1939-07-29 1947-08-16 Dispositif modulateur pour ondes radioélectriques. CH271263A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861403T 1939-07-29

Publications (1)

Publication Number Publication Date
CH271263A true CH271263A (fr) 1950-10-15

Family

ID=32232260

Family Applications (1)

Application Number Title Priority Date Filing Date
CH271263D CH271263A (fr) 1939-07-29 1947-08-16 Dispositif modulateur pour ondes radioélectriques.

Country Status (4)

Country Link
US (1) US2523311A (en, 2012)
BE (1) BE477470A (en, 2012)
CH (1) CH271263A (en, 2012)
FR (1) FR861403A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951459C (de) * 1953-08-12 1956-10-31 Marconi Wireless Telegraph Co Modulationsschaltung fuer ein breites Frequenzband
DE951638C (de) * 1954-08-27 1956-10-31 Lorenz C Ag Modulator, insbesondere in Gitterbasis-Schaltung, vorzugsweise fuer Dezimeterwellen und UKW

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2259658A (en) * 1936-06-10 1941-10-21 Philco Radio & Television Corp Modulating system
US2301160A (en) * 1937-12-31 1942-11-03 Rca Corp Modulation system
NL58874C (en, 2012) * 1938-01-29
GB542226A (en) * 1940-07-30 1941-12-31 Materiel Telephonique Coupling circuits for electronic discharge devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951459C (de) * 1953-08-12 1956-10-31 Marconi Wireless Telegraph Co Modulationsschaltung fuer ein breites Frequenzband
DE951638C (de) * 1954-08-27 1956-10-31 Lorenz C Ag Modulator, insbesondere in Gitterbasis-Schaltung, vorzugsweise fuer Dezimeterwellen und UKW

Also Published As

Publication number Publication date
US2523311A (en) 1950-09-26
BE477470A (en, 2012) 1948-05-30
FR861403A (fr) 1941-02-19

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