CA1172712A - Current output oscillator - Google Patents
Current output oscillatorInfo
- Publication number
- CA1172712A CA1172712A CA000392983A CA392983A CA1172712A CA 1172712 A CA1172712 A CA 1172712A CA 000392983 A CA000392983 A CA 000392983A CA 392983 A CA392983 A CA 392983A CA 1172712 A CA1172712 A CA 1172712A
- Authority
- CA
- Canada
- Prior art keywords
- current
- transistor
- coupled
- capacitor
- emitter
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 55
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 abstract description 4
- 230000010355 oscillation Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 102100024167 C-C chemokine receptor type 3 Human genes 0.000 description 1
- 101710149862 C-C chemokine receptor type 3 Proteins 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Dc-Dc Converters (AREA)
- Control Of Electrical Variables (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US229,485 | 1981-01-29 | ||
| US06/229,485 US4336507A (en) | 1981-01-29 | 1981-01-29 | Current output relaxation oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1172712A true CA1172712A (en) | 1984-08-14 |
Family
ID=22861437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000392983A Expired CA1172712A (en) | 1981-01-29 | 1981-12-22 | Current output oscillator |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4336507A (enExample) |
| EP (1) | EP0070858B1 (enExample) |
| JP (1) | JPS57502239A (enExample) |
| BR (1) | BR8108957A (enExample) |
| CA (1) | CA1172712A (enExample) |
| DE (1) | DE3176169D1 (enExample) |
| IT (1) | IT1147561B (enExample) |
| MX (1) | MX150525A (enExample) |
| SG (1) | SG42989G (enExample) |
| WO (1) | WO1982002629A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4418323A (en) * | 1980-03-07 | 1983-11-29 | Pioneer Electronic Corporation | Oscillator having capacitor charged and discharged by current mirror circuits |
| DE3225157A1 (de) * | 1982-07-06 | 1984-01-12 | Robert Bosch Gmbh, 7000 Stuttgart | Regelvorrichtung fuer ein elektrisches stellglied |
| DE3582620D1 (de) * | 1984-07-27 | 1991-05-29 | Omron Tateisi Electronics Co | Einschalt-ruecksetzschaltung fuer einen beruehrungslosen schalter. |
| US4591807A (en) * | 1984-12-03 | 1986-05-27 | Motorola, Inc. | Low power, low voltage oscillator |
| US5379206A (en) * | 1992-12-02 | 1995-01-03 | Argus Technologies, Ltd. | Low loss snubber circuit with active recovery switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886485A (en) * | 1972-11-25 | 1975-05-27 | Victor Company Of Japan | Linear voltage controlled oscillator including a timing capacitor charged and discharged through current mirror circuits |
| US3924202A (en) * | 1974-08-21 | 1975-12-02 | Rca Corp | Electronic oscillator |
| FR2445658A1 (fr) * | 1978-12-29 | 1980-07-25 | Thomson Csf | Circuit oscillateur generateur de dents de scie et recepteur de television comportant un tel oscillateur |
| US4263567A (en) * | 1979-05-11 | 1981-04-21 | Rca Corporation | Voltage controlled oscillator |
| US4292604A (en) * | 1979-08-20 | 1981-09-29 | Bell Telephone Laboratories, Incorporated | Relaxation oscillator with plural constant current sources |
-
1981
- 1981-01-29 US US06/229,485 patent/US4336507A/en not_active Expired - Lifetime
- 1981-12-14 JP JP82500454A patent/JPS57502239A/ja active Pending
- 1981-12-14 DE DE8282900425T patent/DE3176169D1/de not_active Expired
- 1981-12-14 WO PCT/US1981/001656 patent/WO1982002629A1/en not_active Ceased
- 1981-12-14 EP EP82900425A patent/EP0070858B1/en not_active Expired
- 1981-12-14 BR BR8108957A patent/BR8108957A/pt unknown
- 1981-12-22 CA CA000392983A patent/CA1172712A/en not_active Expired
-
1982
- 1982-01-08 MX MX190907A patent/MX150525A/es unknown
- 1982-01-08 IT IT47520/82A patent/IT1147561B/it active
-
1989
- 1989-07-17 SG SG42989A patent/SG42989G/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57502239A (enExample) | 1982-12-16 |
| BR8108957A (pt) | 1983-01-25 |
| US4336507A (en) | 1982-06-22 |
| DE3176169D1 (en) | 1987-06-11 |
| EP0070858B1 (en) | 1987-05-06 |
| SG42989G (en) | 1989-12-22 |
| IT8247520A0 (it) | 1982-01-08 |
| WO1982002629A1 (en) | 1982-08-05 |
| MX150525A (es) | 1984-05-18 |
| EP0070858A4 (en) | 1984-11-07 |
| IT1147561B (it) | 1986-11-19 |
| EP0070858A1 (en) | 1983-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |