Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
  • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
  • H03J1/02—Indicating arrangements
• • 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

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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19826502

Family Applications (1)

Country Status (12)

Families Citing this family (2)

Family Cites Families (3)

• 1976
  • 1976-07-01 NL NL7607257A patent/NL7607257A/xx not_active Application Discontinuation
• 1977
  • 1977-06-16 DE DE19772727182 patent/DE2727182A1/de not_active Withdrawn
  • 1977-06-28 IT IT25145/77A patent/IT1086155B/it active
  • 1977-06-28 NO NO772280A patent/NO772280L/no unknown
  • 1977-06-28 DK DK287677A patent/DK287677A/da unknown
  • 1977-06-28 FI FI772000A patent/FI772000A/fi not_active Application Discontinuation
  • 1977-06-28 SE SE7707430A patent/SE7707430L/xx unknown
  • 1977-06-29 AT AT462377A patent/AT350128B/de not_active IP Right Cessation
  • 1977-06-29 ES ES460220A patent/ES460220A1/es not_active Expired
  • 1977-06-30 AU AU26640/77A patent/AU2664077A/en active Pending
  • 1977-07-01 FR FR7720246A patent/FR2357105A1/fr not_active Withdrawn
  • 1977-07-01 JP JP7895477A patent/JPS535517A/ja active Pending

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