FR2575622B1 - Recepteur a demodulation directe et a calage automatique d'accord du circuit d'entree - Google Patents

Recepteur a demodulation directe et a calage automatique d'accord du circuit d'entree

Info

Publication number
FR2575622B1
FR2575622B1 FR8419918A FR8419918A FR2575622B1 FR 2575622 B1 FR2575622 B1 FR 2575622B1 FR 8419918 A FR8419918 A FR 8419918A FR 8419918 A FR8419918 A FR 8419918A FR 2575622 B1 FR2575622 B1 FR 2575622B1
Authority
FR
France
Prior art keywords
input
tuning
demodulation receiver
direct demodulation
input circuit
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
FR8419918A
Other languages
English (en)
Other versions
FR2575622A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8419918A priority Critical patent/FR2575622B1/fr
Publication of FR2575622A1 publication Critical patent/FR2575622A1/fr
Application granted granted Critical
Publication of FR2575622B1 publication Critical patent/FR2575622B1/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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
FR8419918A 1984-12-27 1984-12-27 Recepteur a demodulation directe et a calage automatique d'accord du circuit d'entree Expired FR2575622B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8419918A FR2575622B1 (fr) 1984-12-27 1984-12-27 Recepteur a demodulation directe et a calage automatique d'accord du circuit d'entree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8419918A FR2575622B1 (fr) 1984-12-27 1984-12-27 Recepteur a demodulation directe et a calage automatique d'accord du circuit d'entree

Publications (2)

Publication Number Publication Date
FR2575622A1 FR2575622A1 (fr) 1986-07-04
FR2575622B1 true FR2575622B1 (fr) 1987-03-06

Family

ID=9311028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8419918A Expired FR2575622B1 (fr) 1984-12-27 1984-12-27 Recepteur a demodulation directe et a calage automatique d'accord du circuit d'entree

Country Status (1)

Country Link
FR (1) FR2575622B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407549A (zh) * 2014-11-26 2015-03-11 成都创图科技有限公司 一种移相式高频变换振荡系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938114A (en) * 1957-11-12 1960-05-24 Itt Single sideband communication system
DE1941710A1 (de) * 1969-08-16 1971-02-25 Licentia Gmbh Verfahren zum automatischen Nachstimmen eines Filters
FR2538641B1 (fr) * 1982-12-22 1985-07-12 Baptiste Claude Procede de reception d'une emission transmise sur bande laterale unique par un recepteur fonctionnant en modulation d'amplitude et dispositif permettant la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
FR2575622A1 (fr) 1986-07-04

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Legal Events

Date Code Title Description
ST Notification of lapse