KR880008853U - Tuning voltage conversion circuit - Google Patents
Tuning voltage conversion circuitInfo
- 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
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)
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) |
-
1986
- 1986-10-07 KR KR2019860015287U patent/KR900003415Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900003415Y1 (en) | 1990-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
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 |