DE69315746D1 - Sägezahnoszillator - Google Patents
SägezahnoszillatorInfo
- Publication number
- DE69315746D1 DE69315746D1 DE69315746T DE69315746T DE69315746D1 DE 69315746 D1 DE69315746 D1 DE 69315746D1 DE 69315746 T DE69315746 T DE 69315746T DE 69315746 T DE69315746 T DE 69315746T DE 69315746 D1 DE69315746 D1 DE 69315746D1
- Authority
- DE
- Germany
- Prior art keywords
- capacitor
- charge
- period
- current
- during
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
- H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
- H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Details Of Television Scanning (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Confectionery (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9201052A NL9201052A (nl) | 1992-06-15 | 1992-06-15 | Zaagtandoscillator. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69315746D1 true DE69315746D1 (de) | 1998-01-29 |
DE69315746T2 DE69315746T2 (de) | 1998-06-04 |
Family
ID=19860925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69315746T Expired - Fee Related DE69315746T2 (de) | 1992-06-15 | 1993-06-08 | Sägezahnoszillator |
Country Status (11)
Country | Link |
---|---|
US (1) | US5418501A (de) |
EP (1) | EP0574979B1 (de) |
JP (1) | JPH06181429A (de) |
KR (1) | KR940001552A (de) |
AT (1) | ATE161373T1 (de) |
DE (1) | DE69315746T2 (de) |
ES (1) | ES2112956T3 (de) |
FI (1) | FI932693A (de) |
NL (1) | NL9201052A (de) |
SG (1) | SG44797A1 (de) |
TW (1) | TW222041B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10505699A (ja) * | 1995-07-05 | 1998-06-02 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 電流積分器 |
KR0154797B1 (ko) * | 1995-07-27 | 1998-12-15 | 김광호 | 펄스 폭 변조 제어 회로 |
US6060957A (en) * | 1998-12-08 | 2000-05-09 | Stmicroelectronics S.A. | Relaxation oscillator with low phase noise |
AU4736100A (en) * | 2000-04-27 | 2001-11-20 | Lumion Corporation | Universal ballast control circuit |
JP4464418B2 (ja) * | 2007-03-20 | 2010-05-19 | 株式会社日立製作所 | ランプ波形発生回路及びそれを用いた回路パターン検査装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364441A (en) * | 1966-03-07 | 1968-01-16 | Elastic Stop Nut Corp | Low frequency transistor relaxation oscillator |
US3995232A (en) * | 1975-05-02 | 1976-11-30 | National Semiconductor Corporation | Integrated circuit oscillator |
NL7605373A (nl) * | 1976-05-20 | 1977-11-22 | Philips Nv | Zaagtandgenerator. |
NL7811597A (nl) * | 1978-11-27 | 1980-05-29 | Philips Nv | Zaagtandgenerator. |
DE3345852A1 (de) * | 1983-12-19 | 1985-06-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Monolithisch integrierter rc-oszillator |
US5057707A (en) * | 1989-07-05 | 1991-10-15 | Motorola, Inc. | Charge pump including feedback circuitry for eliminating the requirement of a separate oscillator |
-
1992
- 1992-06-15 NL NL9201052A patent/NL9201052A/nl not_active Application Discontinuation
-
1993
- 1993-04-13 TW TW082102776A patent/TW222041B/zh active
- 1993-04-16 US US08/048,609 patent/US5418501A/en not_active Expired - Fee Related
- 1993-06-08 DE DE69315746T patent/DE69315746T2/de not_active Expired - Fee Related
- 1993-06-08 SG SG1996007727A patent/SG44797A1/en unknown
- 1993-06-08 AT AT93201629T patent/ATE161373T1/de not_active IP Right Cessation
- 1993-06-08 EP EP93201629A patent/EP0574979B1/de not_active Expired - Lifetime
- 1993-06-08 ES ES93201629T patent/ES2112956T3/es not_active Expired - Lifetime
- 1993-06-11 FI FI932693A patent/FI932693A/fi not_active Application Discontinuation
- 1993-06-15 JP JP5143762A patent/JPH06181429A/ja active Pending
- 1993-06-15 KR KR1019930010846A patent/KR940001552A/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0574979B1 (de) | 1997-12-17 |
EP0574979A1 (de) | 1993-12-22 |
KR940001552A (ko) | 1994-01-11 |
SG44797A1 (en) | 1997-12-19 |
DE69315746T2 (de) | 1998-06-04 |
FI932693A0 (fi) | 1993-06-11 |
JPH06181429A (ja) | 1994-06-28 |
TW222041B (de) | 1994-04-01 |
ATE161373T1 (de) | 1998-01-15 |
US5418501A (en) | 1995-05-23 |
NL9201052A (nl) | 1994-01-03 |
ES2112956T3 (es) | 1998-04-16 |
FI932693A (fi) | 1993-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8339 | Ceased/non-payment of the annual fee |