FR2581266B1 - Oscillateur resistance-capacite - Google Patents

Oscillateur resistance-capacite

Info

Publication number
FR2581266B1
FR2581266B1 FR868605380A FR8605380A FR2581266B1 FR 2581266 B1 FR2581266 B1 FR 2581266B1 FR 868605380 A FR868605380 A FR 868605380A FR 8605380 A FR8605380 A FR 8605380A FR 2581266 B1 FR2581266 B1 FR 2581266B1
Authority
FR
France
Prior art keywords
resistance
oscillator
capacity
capacity oscillator
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 - Lifetime
Application number
FR868605380A
Other languages
English (en)
Other versions
FR2581266A1 (fr
Inventor
Silvano Coccetti
Roberto Viscardi
Silvano Gornati
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SRL
Original Assignee
SGS Microelettronica SpA
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 SGS Microelettronica SpA filed Critical SGS Microelettronica SpA
Publication of FR2581266A1 publication Critical patent/FR2581266A1/fr
Application granted granted Critical
Publication of FR2581266B1 publication Critical patent/FR2581266B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H03K3/023—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
    • 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)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
FR868605380A 1985-04-24 1986-04-15 Oscillateur resistance-capacite Expired - Lifetime FR2581266B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8520485A IT1214602B (it) 1985-04-24 1985-04-24 Stadio oscillatore rc a differenti soglie di commutazione, in particolare per monitor.

Publications (2)

Publication Number Publication Date
FR2581266A1 FR2581266A1 (fr) 1986-10-31
FR2581266B1 true FR2581266B1 (fr) 1991-11-29

Family

ID=11167656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868605380A Expired - Lifetime FR2581266B1 (fr) 1985-04-24 1986-04-15 Oscillateur resistance-capacite

Country Status (6)

Country Link
US (1) US4672332A (fr)
DE (1) DE3612182C2 (fr)
FR (1) FR2581266B1 (fr)
GB (1) GB2174264B (fr)
IT (1) IT1214602B (fr)
NL (1) NL192481C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229594B (en) * 1989-03-22 1993-04-07 Ferranti Int Signal Current-to-frequency converter
JP2698266B2 (ja) * 1990-11-19 1998-01-19 三洋電機株式会社 ホールド回路
US5841313A (en) * 1995-08-30 1998-11-24 Cherry Semiconductor Corporation Switch with programmable delay
US5793241A (en) * 1995-11-30 1998-08-11 Cherry Semiconductor Corporation High speed active op-amp clamp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659224A (en) * 1970-12-07 1972-04-25 Signetics Corp Temperature stable integrated oscillator
IT992626B (it) * 1973-07-13 1975-09-30 Ates Componenti Elettron Dispositivo integrato monolitico per la deflessione verticale in televisione
DE2533599C3 (de) * 1975-07-26 1982-03-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Integrierbare Ablenk-Schaltungsanordnung
JPH021966Y2 (fr) * 1980-08-20 1990-01-18
US4374366A (en) * 1980-12-29 1983-02-15 Motorola, Inc. Integrated horizontal oscillator employing an on-chip capacitor for use in a television receiver
US4590444A (en) * 1984-10-11 1986-05-20 National Semiconductor Corporation Voltage controlled RC oscillator circuit

Also Published As

Publication number Publication date
DE3612182C2 (de) 1998-12-03
GB2174264B (en) 1989-10-25
US4672332A (en) 1987-06-09
GB2174264A (en) 1986-10-29
DE3612182A1 (de) 1986-11-06
FR2581266A1 (fr) 1986-10-31
NL192481B (nl) 1997-04-01
NL8601029A (nl) 1986-11-17
IT8520485A0 (it) 1985-04-24
IT1214602B (it) 1990-01-18
NL192481C (nl) 1997-08-04
GB8609269D0 (en) 1986-05-21

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Legal Events

Date Code Title Description
D6 Patent endorsed licences of rights
ST Notification of lapse