SE422264B - Avstemmningskrets - Google Patents

Avstemmningskrets

Info

Publication number
SE422264B
SE422264B SE7712451A SE7712451A SE422264B SE 422264 B SE422264 B SE 422264B SE 7712451 A SE7712451 A SE 7712451A SE 7712451 A SE7712451 A SE 7712451A SE 422264 B SE422264 B SE 422264B
Authority
SE
Sweden
Prior art keywords
avstemmningskrets
Prior art date
Application number
SE7712451A
Other languages
English (en)
Other versions
SE7712451L (sv
Inventor
K Knuth
Original Assignee
Licentia 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 Gmbh filed Critical Licentia Gmbh
Publication of SE7712451L publication Critical patent/SE7712451L/sv
Publication of SE422264B publication Critical patent/SE422264B/sv

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)
SE7712451A 1976-11-06 1977-11-03 Avstemmningskrets SE422264B (sv)

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 (2)

Publication Number Publication Date
SE7712451L SE7712451L (sv) 1978-05-07
SE422264B true SE422264B (sv) 1982-02-22

Family

ID=5992565

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7712451A SE422264B (sv) 1976-11-06 1977-11-03 Avstemmningskrets

Country Status (7)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245351A (en) * 1979-07-30 1981-01-13 Rca Corporation AFT Arrangement for a phase locked loop tuning system
DE3912837A1 (de) * 1989-04-19 1990-10-25 Thomson Brandt Gmbh Regelschaltung

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
FR2370388A1 (fr) 1978-06-02
DE2650822C3 (de) 1980-03-13
SE7712451L (sv) 1978-05-07
DE2650822B2 (de) 1979-07-12

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