DE2912492C2 - - Google Patents
Info
- Publication number
- DE2912492C2 DE2912492C2 DE2912492A DE2912492A DE2912492C2 DE 2912492 C2 DE2912492 C2 DE 2912492C2 DE 2912492 A DE2912492 A DE 2912492A DE 2912492 A DE2912492 A DE 2912492A DE 2912492 C2 DE2912492 C2 DE 2912492C2
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- transistor
- capacitor
- current
- discharge
- 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
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
Landscapes
- Manipulation Of Pulses (AREA)
- Pulse Circuits (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792912492 DE2912492A1 (de) | 1979-03-29 | 1979-03-29 | Monolithisch integrierbarer rechteckimpulsgenerator |
EP80101551A EP0017802B1 (de) | 1979-03-29 | 1980-03-24 | Monolithisch integrierbarer Rechteckimpulsgenerator |
JP3814480A JPS55132124A (en) | 1979-03-29 | 1980-03-25 | Monolithic integratable rectangular pulse oscillator |
US06/134,880 US4359649A (en) | 1979-03-29 | 1980-03-28 | Monolithically integrable squarewave pulse generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792912492 DE2912492A1 (de) | 1979-03-29 | 1979-03-29 | Monolithisch integrierbarer rechteckimpulsgenerator |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2912492A1 DE2912492A1 (de) | 1980-10-09 |
DE2912492C2 true DE2912492C2 (US08087162-20120103-C00010.png) | 1988-09-08 |
Family
ID=6066806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792912492 Granted DE2912492A1 (de) | 1979-03-29 | 1979-03-29 | Monolithisch integrierbarer rechteckimpulsgenerator |
Country Status (4)
Country | Link |
---|---|
US (1) | US4359649A (US08087162-20120103-C00010.png) |
EP (1) | EP0017802B1 (US08087162-20120103-C00010.png) |
JP (1) | JPS55132124A (US08087162-20120103-C00010.png) |
DE (1) | DE2912492A1 (US08087162-20120103-C00010.png) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535305A (en) * | 1981-07-30 | 1985-08-13 | Tokyo Shibaura Denki Kabushiki Kaisha | Transmission gate relaxation oscillator having comparator |
DE3217376C2 (de) * | 1982-05-08 | 1984-03-01 | Hewlett-Packard GmbH, 7030 Böblingen | Impulsgenerator |
US4705961A (en) * | 1983-01-17 | 1987-11-10 | Tektronix, Inc. | Programmable sweep generator |
DE3329242A1 (de) * | 1983-08-12 | 1985-02-21 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum ueberpruefen des zeitlichen abstands von rechtecksignalen |
US4581545A (en) * | 1983-10-04 | 1986-04-08 | At&T Technologies | Schmitt trigger circuit |
US4544878A (en) * | 1983-10-04 | 1985-10-01 | At&T Bell Laboratories | Switched current mirror |
JPS60263507A (ja) * | 1984-06-11 | 1985-12-27 | Nec Corp | 発振回路 |
US4647862A (en) * | 1984-09-04 | 1987-03-03 | Tektronix, Inc. | Trigger holdoff system for a digital oscilloscope |
JPS6195604A (ja) * | 1984-10-16 | 1986-05-14 | Mitsubishi Electric Corp | 電圧制御形発振器 |
US4858053A (en) * | 1985-11-01 | 1989-08-15 | Square D Company | Operational amplifier having an improved feedback system including an integrator having a hurry-up circuit, and an electric motor control using the same for inverse trip selection |
US5030856A (en) * | 1989-05-04 | 1991-07-09 | International Business Machines Corporation | Receiver and level converter circuit with dual feedback |
JPH03188709A (ja) * | 1989-12-19 | 1991-08-16 | Hitachi Ltd | のこぎり波発生回路 |
JP2763393B2 (ja) * | 1990-09-26 | 1998-06-11 | 富士通株式会社 | 定電流回路および発振回路 |
DE477537T1 (de) * | 1990-09-28 | 1992-08-13 | Yokogawa Electric Corp., Musashino, Tokio/Tokyo | Zeitgeber. |
US5317199A (en) * | 1992-05-01 | 1994-05-31 | Analog Devices, Inc. | Ramp generator system |
JPH06324092A (ja) * | 1993-05-17 | 1994-11-25 | Rohm Co Ltd | ヒステリシス回路及びそれを備えた電源供給システム |
US5528186A (en) * | 1994-03-22 | 1996-06-18 | Yokogawa Electric Corporation | Timing generator using digital signals to obtain accurate delay time and high resolution |
US5592111A (en) * | 1994-12-14 | 1997-01-07 | Intel Corporation | Clock speed limiter for an integrated circuit |
KR0134914B1 (ko) * | 1995-06-29 | 1998-04-25 | 김광호 | 아날로그 방식의 발진회로 |
US5565819A (en) * | 1995-07-11 | 1996-10-15 | Microchip Technology Incorporated | Accurate RC oscillator having modified threshold voltages |
US5629644A (en) * | 1995-07-28 | 1997-05-13 | Micron Quantum Devices, Inc. | Adjustable timer circuit |
US5793238A (en) * | 1996-11-01 | 1998-08-11 | Cypress Semiconductor Corp. | RC delay with feedback |
JP3714762B2 (ja) * | 1997-03-19 | 2005-11-09 | 富士通株式会社 | 遅延回路および半導体記憶装置 |
US6271735B1 (en) * | 1999-12-06 | 2001-08-07 | Semiconductor Components Industries, Llc. | Oscillator controller with first and second voltage reference |
JP5198971B2 (ja) * | 2008-08-06 | 2013-05-15 | ルネサスエレクトロニクス株式会社 | 発振回路 |
US11349460B1 (en) | 2021-03-03 | 2022-05-31 | Saudi Arabian Oil Company | Current-mode Schmitt trigger using current output stages |
US11349435B1 (en) | 2021-03-03 | 2022-05-31 | Saudi Arabian Oil Company | Current-mode square wave oscillator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3376518A (en) * | 1964-05-13 | 1968-04-02 | Radiation Instr Dev Lab | Low frequency oscillator circuit |
DE1921035B2 (de) * | 1969-04-25 | 1971-09-30 | Monolithisch integrierbarer rc impulsoszillator | |
US3694772A (en) * | 1971-04-12 | 1972-09-26 | Information Storage Systems | Voltage control sawtooth oscillator with flyback time independent of frequency |
US3831113A (en) * | 1973-06-01 | 1974-08-20 | Rca Corp | Relaxation oscillator |
DE2712369C2 (de) * | 1977-03-22 | 1981-09-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Oszillator zur Erzeugung von Rechteckimpulsen |
US4250464A (en) * | 1978-07-03 | 1981-02-10 | Rca Corporation | Multi-mode relaxation oscillator |
-
1979
- 1979-03-29 DE DE19792912492 patent/DE2912492A1/de active Granted
-
1980
- 1980-03-24 EP EP80101551A patent/EP0017802B1/de not_active Expired
- 1980-03-25 JP JP3814480A patent/JPS55132124A/ja active Pending
- 1980-03-28 US US06/134,880 patent/US4359649A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2912492A1 (de) | 1980-10-09 |
EP0017802B1 (de) | 1982-07-28 |
US4359649A (en) | 1982-11-16 |
EP0017802A1 (de) | 1980-10-29 |
JPS55132124A (en) | 1980-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |