GB1563880A - Sawtooth generator - Google Patents

Sawtooth generator Download PDF

Info

Publication number
GB1563880A
GB1563880A GB20677/77A GB2067777A GB1563880A GB 1563880 A GB1563880 A GB 1563880A GB 20677/77 A GB20677/77 A GB 20677/77A GB 2067777 A GB2067777 A GB 2067777A GB 1563880 A GB1563880 A GB 1563880A
Authority
GB
United Kingdom
Prior art keywords
transistor
capacitor
circuit
resistor
voltage
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
Application number
GB20677/77A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1563880A publication Critical patent/GB1563880A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03K4/60—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 current is produced through an inductor
    • H03K4/69—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 current is produced through an inductor using a semiconductor device operating as an amplifier
    • H03K4/72—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 current is produced through an inductor using a semiconductor device operating as an amplifier combined with means for generating the driving pulses

Landscapes

  • Details Of Television Scanning (AREA)
GB20677/77A 1976-05-20 1977-05-17 Sawtooth generator Expired GB1563880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7605373A NL7605373A (nl) 1976-05-20 1976-05-20 Zaagtandgenerator.

Publications (1)

Publication Number Publication Date
GB1563880A true GB1563880A (en) 1980-04-02

Family

ID=19826227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20677/77A Expired GB1563880A (en) 1976-05-20 1977-05-17 Sawtooth generator

Country Status (7)

Country Link
US (1) US4131807A (forum.php)
JP (1) JPS52149058A (forum.php)
DE (1) DE2720665C3 (forum.php)
FR (1) FR2352444A1 (forum.php)
GB (1) GB1563880A (forum.php)
IT (1) IT1076189B (forum.php)
NL (1) NL7605373A (forum.php)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804145A1 (de) * 1978-01-31 1979-08-02 Moog Gmbh Rampengenerator zum erzeugen eines zeitsteuersignals fuer den betrieb einer elektrischen steuereinrichtung eines extruders
NL9201052A (nl) * 1992-06-15 1994-01-03 Koninkl Philips Electronics Nv Zaagtandoscillator.
JPH06281734A (ja) * 1993-03-25 1994-10-07 Mitsubishi Electric Corp レーダ・トランスポンダ
TW556409B (en) * 2001-09-03 2003-10-01 Faraday Tech Corp Resistor-capacitor oscillation circuit having stable output frequency
CN101741355B (zh) * 2008-11-06 2011-12-21 鸿富锦精密工业（深圳）有限公司 波形转换装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL291323A (forum.php) * 1962-04-11
US3373377A (en) * 1966-07-01 1968-03-12 Xerox Corp Self-adjusting variable frequency sawtooth generator
US3569735A (en) * 1968-09-24 1971-03-09 Us Army Constant amplitude sawtooth generator
US3577007A (en) * 1969-01-21 1971-05-04 Bell & Howell Co Constant amplitude variable frequency sweep generator
US3982139A (en) * 1975-04-21 1976-09-21 Troy Stephen R Exponential sweep multivibrator
US4071776A (en) * 1976-08-19 1978-01-31 Rca Corporation Sawtooth voltage generator for constant amplitude sawtooth waveform from varying frequency control signal

Also Published As

Publication number Publication date
DE2720665B2 (de) 1979-01-04
US4131807A (en) 1978-12-26
FR2352444A1 (fr) 1977-12-16
DE2720665C3 (de) 1979-08-30
IT1076189B (it) 1985-04-27
JPS52149058A (en) 1977-12-10
FR2352444B1 (forum.php) 1983-10-07
JPS5711532B2 (forum.php) 1982-03-04
DE2720665A1 (de) 1977-11-24
NL7605373A (nl) 1977-11-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee