KR880006903A - 발진회로 - Google Patents
발진회로 Download PDFInfo
- Publication number
- KR880006903A KR880006903A KR870013297A KR870013297A KR880006903A KR 880006903 A KR880006903 A KR 880006903A KR 870013297 A KR870013297 A KR 870013297A KR 870013297 A KR870013297 A KR 870013297A KR 880006903 A KR880006903 A KR 880006903A
- Authority
- KR
- South Korea
- Prior art keywords
- oscillation circuit
- constant current
- current sources
- oscillation
- capacitor
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 title claims 5
- 239000003990 capacitor Substances 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/27—Circuits special to multi-standard receivers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
- H03K3/0231—Astable circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Details Of Television Scanning (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명의 일실시예를 도시한 구성도.
Claims (1)
- 2개의 기준전압간에서 콘덴서를 충방전하여 발진신호를 얻는 발진회로에 있어서, 직접회로화된 동일 전류치의 복수의 정전류원과, 이 복수의 정전류원 및 상기 콘덴서의 사이에 배설된 스위치회로를 구비하고, 상기 스위치회로에 의하여 상기 콘덴서에 접속되는 정전류원의 개수를 변경시키므로써, 상기 발진 신호의 주파수를 단계적으로 변화시키는 것을 특징으로 하는 발진회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61282672A JPS63136711A (ja) | 1986-11-27 | 1986-11-27 | 発振回路 |
| JP86-282672 | 1986-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880006903A true KR880006903A (ko) | 1988-07-25 |
| KR960014329B1 KR960014329B1 (ko) | 1996-10-15 |
Family
ID=17655550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870013297A KR960014329B1 (ko) | 1986-11-27 | 1987-11-25 | 발진회로 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4806883A (ko) |
| JP (1) | JPS63136711A (ko) |
| KR (1) | KR960014329B1 (ko) |
| GB (1) | GB2199208B (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03167915A (ja) * | 1989-11-27 | 1991-07-19 | Seiko Instr Inc | 信号処理装置 |
| JPH03235512A (ja) * | 1990-02-13 | 1991-10-21 | Oki Electric Ind Co Ltd | 電圧制御発振回路 |
| KR102275780B1 (ko) | 2017-05-11 | 2021-07-08 | 가부시키가이샤 에루므 | 수경 재배용 시드 페이퍼 제조 장치 및 수경 재배용 시드 페이퍼 제조 방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3665343A (en) * | 1970-11-09 | 1972-05-23 | Motorola Inc | Voltage controlled multivibrator |
| US3895315A (en) * | 1974-01-14 | 1975-07-15 | Beckman Instruments Inc | Voltage variable operational amplifier relaxation oscillator |
| US4551691A (en) * | 1982-09-29 | 1985-11-05 | Tokyo Shibaura Denki Kabushiki Kaisha | Hysteresis circuit with small hysteresis amplitude and oscillator using the hysteresis circuit |
-
1986
- 1986-11-27 JP JP61282672A patent/JPS63136711A/ja active Pending
-
1987
- 1987-11-24 US US07/124,594 patent/US4806883A/en not_active Expired - Lifetime
- 1987-11-25 KR KR1019870013297A patent/KR960014329B1/ko not_active IP Right Cessation
- 1987-11-25 GB GB8727615A patent/GB2199208B/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63136711A (ja) | 1988-06-08 |
| GB8727615D0 (en) | 1987-12-31 |
| GB2199208B (en) | 1990-09-26 |
| GB2199208A (en) | 1988-06-29 |
| KR960014329B1 (ko) | 1996-10-15 |
| US4806883A (en) | 1989-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20030922 Year of fee payment: 8 |
|
| LAPS | Lapse due to unpaid annual fee |