FR1008804A - Récepteur mixte, modulation d'amplitude, modulation de phase - Google Patents

Récepteur mixte, modulation d'amplitude, modulation de phase

Info

Publication number
FR1008804A
FR1008804A FR1008804DA FR1008804A FR 1008804 A FR1008804 A FR 1008804A FR 1008804D A FR1008804D A FR 1008804DA FR 1008804 A FR1008804 A FR 1008804A
Authority
FR
France
Prior art keywords
modulation
amplitude
mixed receiver
phase
phase modulation
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1008804A publication Critical patent/FR1008804A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0067—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands
    • H04B1/0082—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band
    • H04B1/0089—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received
    • H04B1/0092—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received using a wideband front end
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D11/00—Super-regenerative demodulator circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D11/00—Super-regenerative demodulator circuits
    • H03D11/06—Super-regenerative demodulator circuits for angle-modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0096—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges where a full band is frequency converted into another full band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
FR1008804D 1948-12-18 1949-12-08 Récepteur mixte, modulation d'amplitude, modulation de phase Expired FR1008804A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66024A US2541818A (en) 1948-12-18 1948-12-18 Radio receiver

Publications (1)

Publication Number Publication Date
FR1008804A true FR1008804A (fr) 1952-05-22

Family

ID=22066778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1008804D Expired FR1008804A (fr) 1948-12-18 1949-12-08 Récepteur mixte, modulation d'amplitude, modulation de phase

Country Status (3)

Country Link
US (1) US2541818A (fr)
FR (1) FR1008804A (fr)
GB (1) GB661553A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725469A (en) * 1951-09-19 1955-11-29 Hartford Nat Bank & Trust Co Radio receiving set for the reception of two frequency ranges
US2665377A (en) * 1951-12-20 1954-01-05 Sarkes Tarzian Universal tuning system for television receivers
US2837633A (en) * 1953-04-22 1958-06-03 Sylvania Electric Prod Backs for receiver cabinets
DE1266796B (de) * 1953-10-24 1968-04-25 Standard Elektrik Lorenz Ag Kombinierter Fernseh- und Rundfunkempfaenger
NL248979A (fr) * 1959-03-06
NL275567A (fr) * 1961-03-09 1900-01-01
US3243708A (en) * 1962-10-08 1966-03-29 Bendix Corp Vehicular radio receiver for both amplitude and frequency modulation reception

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2022805A (en) * 1933-11-13 1935-12-03 Rca Corp Radio receiver
US2230546A (en) * 1938-03-03 1941-02-04 Telefunken Gmbh Circuit for the amplification of ultra-high frequencies
US2308280A (en) * 1940-07-26 1943-01-12 Amalgamated Wireless Australas Radio receiver
BE477233A (fr) * 1944-09-01

Also Published As

Publication number Publication date
GB661553A (en) 1951-11-21
US2541818A (en) 1951-02-13

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