FR2370388A1 - Montage d'accord pour recepteur superheterodyne - Google Patents

Montage d'accord pour recepteur superheterodyne

Info

Publication number
FR2370388A1
FR2370388A1 FR7733289A FR7733289A FR2370388A1 FR 2370388 A1 FR2370388 A1 FR 2370388A1 FR 7733289 A FR7733289 A FR 7733289A FR 7733289 A FR7733289 A FR 7733289A FR 2370388 A1 FR2370388 A1 FR 2370388A1
Authority
FR
France
Prior art keywords
tuning
superheterodyne receiver
receiver tuning
tuning mounting
voltage
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.)
Withdrawn
Application number
FR7733289A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2370388A1 publication Critical patent/FR2370388A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
    • 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
    • H03J7/06—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 counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Montage d'accord, dans lequel diverses valeurs de la tension d'accord sont mémorisables numériquement et le réglage précis de l'émetteur mémorisé est obtenu par un montage de reglage CAF. La tension de réglage CAF est ajoutée à la tension d'accord sous forme d'impulsions.
FR7733289A 1976-11-06 1977-11-04 Montage d'accord pour recepteur superheterodyne Withdrawn FR2370388A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2650822A DE2650822C3 (de) 1976-11-06 1976-11-06 Abstimmschaltung für einen Überlagerungsempfänger

Publications (1)

Publication Number Publication Date
FR2370388A1 true FR2370388A1 (fr) 1978-06-02

Family

ID=5992565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733289A Withdrawn FR2370388A1 (fr) 1976-11-06 1977-11-04 Montage d'accord pour recepteur superheterodyne

Country Status (7)

Country Link
JP (1) JPS5357902A (fr)
DE (1) DE2650822C3 (fr)
ES (1) ES463879A1 (fr)
FR (1) FR2370388A1 (fr)
GB (1) GB1539647A (fr)
IT (1) IT1086992B (fr)
SE (1) SE422264B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462830A1 (fr) * 1979-07-30 1981-02-13 Rca Corp Dispositif pour accorder un televiseur sur le signal a haute frequence associe a un canal choisi
WO1990013172A1 (fr) * 1989-04-19 1990-11-01 Deutsche Thomson-Brandt Gmbh Circuit de regulation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/76 *
EXBK/77 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462830A1 (fr) * 1979-07-30 1981-02-13 Rca Corp Dispositif pour accorder un televiseur sur le signal a haute frequence associe a un canal choisi
WO1990013172A1 (fr) * 1989-04-19 1990-11-01 Deutsche Thomson-Brandt Gmbh Circuit de regulation
TR25489A (tr) * 1989-04-19 1993-05-01 Thomson Brandt Gmbh Özellikle bir cd veya mod diskinin hizini ayarla- mak icin bir frekans ayarlama devresi
US5298812A (en) * 1989-04-19 1994-03-29 Deutsche Thomson-Brandt Gmbh Regulating circuit as for controlling the speed of a motor

Also Published As

Publication number Publication date
IT1086992B (it) 1985-05-31
ES463879A1 (es) 1978-07-01
DE2650822A1 (de) 1978-05-11
JPS5357902A (en) 1978-05-25
GB1539647A (en) 1979-01-31
DE2650822C3 (de) 1980-03-13
SE7712451L (sv) 1978-05-07
SE422264B (sv) 1982-02-22
DE2650822B2 (de) 1979-07-12

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Legal Events

Date Code Title Description
RE Withdrawal of published application