JPS5391501A - Tuning circuit - Google Patents

Tuning circuit

Info

Publication number
JPS5391501A
JPS5391501A JP12465477A JP12465477A JPS5391501A JP S5391501 A JPS5391501 A JP S5391501A JP 12465477 A JP12465477 A JP 12465477A JP 12465477 A JP12465477 A JP 12465477A JP S5391501 A JPS5391501 A JP S5391501A
Authority
JP
Japan
Prior art keywords
tuning circuit
tuning
circuit
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.)
Pending
Application number
JP12465477A
Other languages
Japanese (ja)
Inventor
Keisu Run Gerarudo
Jiyon Deibiesu Korin
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of JPS5391501A publication Critical patent/JPS5391501A/en
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
JP12465477A 1976-10-19 1977-10-19 Tuning circuit Pending JPS5391501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4331676A GB1591797A (en) 1976-10-19 1976-10-19 Tuning circuit arrangement

Publications (1)

Publication Number Publication Date
JPS5391501A true JPS5391501A (en) 1978-08-11

Family

ID=10428234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12465477A Pending JPS5391501A (en) 1976-10-19 1977-10-19 Tuning circuit

Country Status (2)

Country Link
JP (1) JPS5391501A (en)
GB (1) GB1591797A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165052A (en) * 1979-06-08 1980-12-23 Matsushita Electric Ind Co Ltd Signal control unit
JPS57174925A (en) * 1981-04-20 1982-10-27 Matsushita Electronics Corp Integrated circuit for tuning

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6122493A (en) * 1995-11-27 2000-09-19 Sanyo Electric Co., Ltd. Radio receiver having automatic broadcasting-station selecting function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165052A (en) * 1979-06-08 1980-12-23 Matsushita Electric Ind Co Ltd Signal control unit
JPS57174925A (en) * 1981-04-20 1982-10-27 Matsushita Electronics Corp Integrated circuit for tuning

Also Published As

Publication number Publication date
GB1591797A (en) 1981-06-24

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