IT8547546A0 - Corrente di uscita circuito rivelatore con valore di soglia riferito a diodo zener e con effetto di isteresi positiva sulla - Google Patents
Corrente di uscita circuito rivelatore con valore di soglia riferito a diodo zener e con effetto di isteresi positiva sullaInfo
- Publication number
- IT8547546A0 IT8547546A0 IT8547546A IT4754685A IT8547546A0 IT 8547546 A0 IT8547546 A0 IT 8547546A0 IT 8547546 A IT8547546 A IT 8547546A IT 4754685 A IT4754685 A IT 4754685A IT 8547546 A0 IT8547546 A0 IT 8547546A0
- Authority
- IT
- Italy
- Prior art keywords
- threshold value
- output current
- zener diode
- circuit output
- detector circuit
- Prior art date
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
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
- H03K3/2893—Bistables with hysteresis, e.g. Schmitt trigger
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/571,232 US4525638A (en) | 1984-01-16 | 1984-01-16 | Zener referenced threshold detector with hysteresis |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT8547546A0 true IT8547546A0 (it) | 1985-01-15 |
| IT8547546A1 IT8547546A1 (it) | 1986-07-15 |
| IT1181852B IT1181852B (it) | 1987-09-30 |
Family
ID=24282844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT47546/85A IT1181852B (it) | 1984-01-16 | 1985-01-15 | Circuito rivelatore con valore di soglia riferito a diodo zener e con effetto di isteresi positiva sulla corrente di uscita |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4525638A (it) |
| EP (1) | EP0168419A1 (it) |
| IT (1) | IT1181852B (it) |
| WO (1) | WO1985003175A1 (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700365A (en) * | 1985-10-25 | 1987-10-13 | Rca Corporation | Digital threshold detector with hysteresis |
| US4701639A (en) * | 1985-12-09 | 1987-10-20 | National Semiconductor Corporation | Threshold detector circuit and method |
| US4849656A (en) * | 1987-06-11 | 1989-07-18 | Unitrode Corp. | Power-on detection circuit |
| JPS6482817A (en) * | 1987-09-25 | 1989-03-28 | Aisin Seiki | Signal level converting circuit |
| US4970412A (en) * | 1989-07-28 | 1990-11-13 | Motorola, Inc. | Comparator circuit |
| US5057709A (en) * | 1990-11-01 | 1991-10-15 | Motorola Inc. | Current threshold detector circuit |
| US5424676A (en) * | 1993-01-29 | 1995-06-13 | Sgs-Thomson Microelectronics, Inc. | Transistor collector structure for improved matching and chokeless power supply connection |
| EP0858165A1 (en) * | 1997-02-11 | 1998-08-12 | STMicroelectronics S.r.l. | IC for implementing the function of a DIAC diode |
| CN104065257B (zh) * | 2014-06-25 | 2017-03-15 | 深圳市汇川技术股份有限公司 | 一种电源控制芯片的滞回启动电路 |
| GB2565760A (en) * | 2017-07-25 | 2019-02-27 | Quepal Ltd | A threshold detector circuit for lossless switching |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3586879A (en) * | 1968-10-10 | 1971-06-22 | Donald L Ford | Discriminator circuit |
| DE2813073C2 (de) * | 1978-03-25 | 1984-07-26 | Telefunken electronic GmbH, 7100 Heilbronn | Diskriminator-Schaltung |
| JPS601980B2 (ja) * | 1979-05-23 | 1985-01-18 | 富士通株式会社 | 自動リセット回路 |
-
1984
- 1984-01-16 US US06/571,232 patent/US4525638A/en not_active Expired - Lifetime
- 1984-11-20 WO PCT/US1984/001892 patent/WO1985003175A1/en unknown
- 1984-11-20 EP EP85900306A patent/EP0168419A1/en not_active Withdrawn
-
1985
- 1985-01-15 IT IT47546/85A patent/IT1181852B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0168419A1 (en) | 1986-01-22 |
| WO1985003175A1 (en) | 1985-07-18 |
| US4525638A (en) | 1985-06-25 |
| IT8547546A1 (it) | 1986-07-15 |
| IT1181852B (it) | 1987-09-30 |
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