FR1169917A - Improvements in radioreceptors - Google Patents

Improvements in radioreceptors

Info

Publication number
FR1169917A
FR1169917A FR1169917DA FR1169917A FR 1169917 A FR1169917 A FR 1169917A FR 1169917D A FR1169917D A FR 1169917DA FR 1169917 A FR1169917 A FR 1169917A
Authority
FR
France
Prior art keywords
radioreceptors
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)
Inventor
Brouard
Jean Dupuis
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR1169917A publication Critical patent/FR1169917A/en
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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
FR1169917D 1957-03-21 1957-03-21 Improvements in radioreceptors Expired FR1169917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1093834X 1957-03-21

Publications (1)

Publication Number Publication Date
FR1169917A true FR1169917A (en) 1959-01-07

Family

ID=9616728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1169917D Expired FR1169917A (en) 1957-03-21 1957-03-21 Improvements in radioreceptors

Country Status (2)

Country Link
DE (1) DE1093834B (en)
FR (1) FR1169917A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764674A (en) * 1955-03-17 1956-09-25 Rca Corp Transistor receiver oscillator injection using capacitance between stators of gang capacitor

Also Published As

Publication number Publication date
DE1093834B (en) 1960-12-01

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