KR0149261B1 - 주파수 조절 가능한 링 발진기 - Google Patents
주파수 조절 가능한 링 발진기 Download PDFInfo
- Publication number
- KR0149261B1 KR0149261B1 KR1019950015211A KR19950015211A KR0149261B1 KR 0149261 B1 KR0149261 B1 KR 0149261B1 KR 1019950015211 A KR1019950015211 A KR 1019950015211A KR 19950015211 A KR19950015211 A KR 19950015211A KR 0149261 B1 KR0149261 B1 KR 0149261B1
- Authority
- KR
- South Korea
- Prior art keywords
- ring oscillator
- output
- inverter
- ring
- input
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 101150110971 CIN7 gene Proteins 0.000 description 1
- 101150110298 INV1 gene Proteins 0.000 description 1
- 101100397044 Xenopus laevis invs-a gene Proteins 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0315—Ring oscillators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
- H03K5/135—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of time reference signals, e.g. clock signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
- H03K2005/00019—Variable delay
- H03K2005/00058—Variable delay controlled by a digital setting
- H03K2005/00071—Variable delay controlled by a digital setting by adding capacitance as a load
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Pulse Circuits (AREA)
Abstract
Description
Claims (2)
- 링 발진기에 있어서: 입력단과 출력단간에 직렬로 연결된 다수의 인버터 소자 및 상기 입출력단을 직접 연결하는 라인으로 이루어진 링 발진부와; 상기 링 발진부의 발진 주파수를 가변시키기 위하여 상기 인버터 소자의 각 출력 노드마다 연결되어 있는 캐패시터 및 렉지스터 소자로 구성된 가변 지연수단과; 상기 가변 지연수단을 각 인버터의 출력 노드에 선택적으로 연결시키기위한 스위칭 수단을 포함하는 것을 특징으로 하는 링 발진기.
- 제1항에 있어서, 상기 스위칭 수단은 소프트웨어적으로나 하드웨어적으로 제어되는 소자임을 특징으로 하는 링 발진기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950015211A KR0149261B1 (ko) | 1995-06-09 | 1995-06-09 | 주파수 조절 가능한 링 발진기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950015211A KR0149261B1 (ko) | 1995-06-09 | 1995-06-09 | 주파수 조절 가능한 링 발진기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970004282A KR970004282A (ko) | 1997-01-29 |
KR0149261B1 true KR0149261B1 (ko) | 1998-12-15 |
Family
ID=19416758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950015211A KR0149261B1 (ko) | 1995-06-09 | 1995-06-09 | 주파수 조절 가능한 링 발진기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0149261B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100679821B1 (ko) * | 2005-01-06 | 2007-02-06 | 엘지전자 주식회사 | 캐패시터 제어기 및 이를 이용한 발진장치 |
KR100829454B1 (ko) * | 2006-09-14 | 2008-05-15 | 주식회사 하이닉스반도체 | Pll 회로의 전압 제어 발진기 및 그 제어 방법 |
-
1995
- 1995-06-09 KR KR1019950015211A patent/KR0149261B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100679821B1 (ko) * | 2005-01-06 | 2007-02-06 | 엘지전자 주식회사 | 캐패시터 제어기 및 이를 이용한 발진장치 |
KR100829454B1 (ko) * | 2006-09-14 | 2008-05-15 | 주식회사 하이닉스반도체 | Pll 회로의 전압 제어 발진기 및 그 제어 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR970004282A (ko) | 1997-01-29 |
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