TW222041B - - Google Patents

Info

Publication number
TW222041B
TW222041B TW082102776A TW82102776A TW222041B TW 222041 B TW222041 B TW 222041B TW 082102776 A TW082102776 A TW 082102776A TW 82102776 A TW82102776 A TW 82102776A TW 222041 B TW222041 B TW 222041B
Authority
TW
Taiwan
Prior art keywords
capacitor
charge
period
current
during
Prior art date
Application number
TW082102776A
Other languages
English (en)
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of TW222041B publication Critical patent/TW222041B/zh

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)
TW082102776A 1992-06-15 1993-04-13 TW222041B (zh)

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
TW222041B true TW222041B (zh) 1994-04-01

Family

ID=19860925

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082102776A TW222041B (zh) 1992-06-15 1993-04-13

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997002540A2 (en) * 1995-07-05 1997-01-23 Philips Electronics N.V. Current integrator
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
WO2001087020A1 (en) * 2000-04-27 2001-11-15 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
FI932693A0 (fi) 1993-06-11
SG44797A1 (en) 1997-12-19
EP0574979B1 (en) 1997-12-17
ATE161373T1 (de) 1998-01-15
US5418501A (en) 1995-05-23
KR940001552A (ko) 1994-01-11
JPH06181429A (ja) 1994-06-28
NL9201052A (nl) 1994-01-03
DE69315746D1 (de) 1998-01-29
EP0574979A1 (en) 1993-12-22
ES2112956T3 (es) 1998-04-16
FI932693A (fi) 1993-12-16
DE69315746T2 (de) 1998-06-04

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