DE3177146D1 - Einrichtung zum regeln des arbeitspunktes einer elektronischen schaltung mit mehreren variablen elementen, inbesondere fuer einen fernsehempfaenger. - Google Patents

Einrichtung zum regeln des arbeitspunktes einer elektronischen schaltung mit mehreren variablen elementen, inbesondere fuer einen fernsehempfaenger.

Info

Publication number
DE3177146D1
DE3177146D1 DE8181401007T DE3177146T DE3177146D1 DE 3177146 D1 DE3177146 D1 DE 3177146D1 DE 8181401007 T DE8181401007 T DE 8181401007T DE 3177146 T DE3177146 T DE 3177146T DE 3177146 D1 DE3177146 D1 DE 3177146D1
Authority
DE
Germany
Prior art keywords
regulating
electronic circuit
television receiver
working point
multiple variable
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 - Fee Related
Application number
DE8181401007T
Other languages
English (en)
Inventor
John Shepherd
De Bornier Fabrice Magnan
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt 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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Application granted granted Critical
Publication of DE3177146D1 publication Critical patent/DE3177146D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Analogue/Digital Conversion (AREA)
DE8181401007T 1980-07-04 1981-06-23 Einrichtung zum regeln des arbeitspunktes einer elektronischen schaltung mit mehreren variablen elementen, inbesondere fuer einen fernsehempfaenger. Expired - Fee Related DE3177146D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8014908A FR2486332B1 (fr) 1980-07-04 1980-07-04 Dispositif de reglage du point de fonctionnement d'un circuit electronique comportant plusieurs elements variables, notamment en television par satellite

Publications (1)

Publication Number Publication Date
DE3177146D1 true DE3177146D1 (de) 1990-02-15

Family

ID=9243854

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181401007T Expired - Fee Related DE3177146D1 (de) 1980-07-04 1981-06-23 Einrichtung zum regeln des arbeitspunktes einer elektronischen schaltung mit mehreren variablen elementen, inbesondere fuer einen fernsehempfaenger.

Country Status (4)

Country Link
EP (1) EP0044237B1 (de)
AU (1) AU547192B2 (de)
DE (1) DE3177146D1 (de)
FR (1) FR2486332B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332206A1 (de) * 1983-09-07 1985-04-25 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Verfahren zum abgleich eines mehrstufigen selektiven verstaerkers und anordnung zur durchfuehrung des verfahrens
GB8524165D0 (en) * 1985-10-01 1985-11-06 Plessey Co Plc Frequency alignment circuit & synthesizer
DE19602573A1 (de) * 1996-01-25 1997-08-07 Grundig Ag Tuner für den Empfang digitaler Signale
DE19741325C2 (de) * 1997-09-19 1999-10-07 Temic Semiconductor Gmbh Verfahren zum Abgleich eines mehrstufigen selektiven Verstärkers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121162A (en) * 1976-06-14 1978-10-17 Motorola, Inc. Digital phase locked loop tuning system
JPS53131702A (en) * 1977-04-21 1978-11-16 Sony Corp Electronic tuning device
US4152654A (en) * 1977-06-17 1979-05-01 Zenith Radio Corporation Memory-saving all channel digital tuning system
US4144498A (en) * 1977-07-15 1979-03-13 Zenith Radio Corporation Television tuning method and apparatus for tuning employing slope factor derivation
US4161699A (en) * 1978-01-03 1979-07-17 Zenith Radio Corporation Second derivative memory-saving all channel digital tuning system
DE2814577A1 (de) * 1978-04-05 1979-10-11 Nordmende Ueberlagerungsempfaenger
DE2834231A1 (de) * 1978-08-04 1980-02-28 Blaupunkt Werke Gmbh Verfahren zur selbsttaetigen gleichlaufeinstellung zwischen vor- und oszillatorkreis in einem ueberlagerungsempfaenger und schaltungsanordnung zur durchfuehrung dieses verfahrens

Also Published As

Publication number Publication date
AU547192B2 (en) 1985-10-10
EP0044237B1 (de) 1990-01-10
EP0044237A1 (de) 1982-01-20
FR2486332B1 (fr) 1986-05-30
AU7254881A (en) 1982-01-07
FR2486332A1 (fr) 1982-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee