KR880008853U - Tuning voltage conversion circuit - Google Patents

Tuning voltage conversion circuit

Info

Publication number
KR880008853U
KR880008853U KR2019860015287U KR860015287U KR880008853U KR 880008853 U KR880008853 U KR 880008853U KR 2019860015287 U KR2019860015287 U KR 2019860015287U KR 860015287 U KR860015287 U KR 860015287U KR 880008853 U KR880008853 U KR 880008853U
Authority
KR
South Korea
Prior art keywords
conversion circuit
voltage conversion
tuning voltage
tuning
circuit
Prior art date
Application number
KR2019860015287U
Other languages
Korean (ko)
Other versions
KR900003415Y1 (en
Inventor
문상규
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019860015287U priority Critical patent/KR900003415Y1/en
Publication of KR880008853U publication Critical patent/KR880008853U/en
Application granted granted Critical
Publication of KR900003415Y1 publication Critical patent/KR900003415Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
KR2019860015287U 1986-10-07 1986-10-07 Tuning voltage transformation circuit KR900003415Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860015287U KR900003415Y1 (en) 1986-10-07 1986-10-07 Tuning voltage transformation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860015287U KR900003415Y1 (en) 1986-10-07 1986-10-07 Tuning voltage transformation circuit

Publications (2)

Publication Number Publication Date
KR880008853U true KR880008853U (en) 1988-06-30
KR900003415Y1 KR900003415Y1 (en) 1990-04-23

Family

ID=19256110

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860015287U KR900003415Y1 (en) 1986-10-07 1986-10-07 Tuning voltage transformation circuit

Country Status (1)

Country Link
KR (1) KR900003415Y1 (en)

Also Published As

Publication number Publication date
KR900003415Y1 (en) 1990-04-23

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Legal Events

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19940326

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee