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
  • H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
  • H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory

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)
• Pulse Circuits (AREA)
• Communication Control (AREA)
• Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Applications Claiming Priority (2)

Publications (3)

Family

ID=14065057

Family Applications (1)

Country Status (6)

Families Citing this family (1)

Family Cites Families (1)

• 1978
  • 1978-07-29 JP JP9282078A patent/JPS5522225A/ja active Granted
• 1979
  • 1979-07-26 NL NL7905797A patent/NL191134C/nl not_active IP Right Cessation
  • 1979-07-27 AU AU49316/79A patent/AU532363B2/en not_active Ceased
  • 1979-07-30 GB GB7926525A patent/GB2027300B/en not_active Expired
  • 1979-07-30 DE DE19792930884 patent/DE2930884A1/de active Granted
  • 1979-07-30 FR FR7919597A patent/FR2433807A1/fr active Granted

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