SG44797A1 - Sawtooth oscillator - Google Patents

Sawtooth oscillator

Info

Publication number
SG44797A1
SG44797A1 SG1996007727A SG1996007727A SG44797A1 SG 44797 A1 SG44797 A1 SG 44797A1 SG 1996007727 A SG1996007727 A SG 1996007727A SG 1996007727 A SG1996007727 A SG 1996007727A SG 44797 A1 SG44797 A1 SG 44797A1
Authority
SG
Singapore
Prior art keywords
capacitor
charge
period
current
during
Prior art date
Application number
SG1996007727A
Other languages
English (en)
Inventor
Franciscus Adrianus C Schoofs
Eise Carel Dijkmans
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of SG44797A1 publication Critical patent/SG44797A1/en

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)
SG1996007727A 1992-06-15 1993-06-08 Sawtooth oscillator SG44797A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9201052A NL9201052A (nl) 1992-06-15 1992-06-15 Zaagtandoscillator.

Publications (1)

Publication Number Publication Date
SG44797A1 true SG44797A1 (en) 1997-12-19

Family

ID=19860925

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996007727A SG44797A1 (en) 1992-06-15 1993-06-08 Sawtooth oscillator

Country Status (11)

Country Link
US (1) US5418501A (ja)
EP (1) EP0574979B1 (ja)
JP (1) JPH06181429A (ja)
KR (1) KR940001552A (ja)
AT (1) ATE161373T1 (ja)
DE (1) DE69315746T2 (ja)
ES (1) ES2112956T3 (ja)
FI (1) FI932693A (ja)
NL (1) NL9201052A (ja)
SG (1) SG44797A1 (ja)
TW (1) TW222041B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0574979B1 (en) 1997-12-17
EP0574979A1 (en) 1993-12-22
KR940001552A (ko) 1994-01-11
DE69315746T2 (de) 1998-06-04
DE69315746D1 (de) 1998-01-29
FI932693A0 (fi) 1993-06-11
JPH06181429A (ja) 1994-06-28
TW222041B (ja) 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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