WO2000076069A3 - Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation - Google Patents
Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation Download PDFInfo
- Publication number
- WO2000076069A3 WO2000076069A3 PCT/US2000/028180 US0028180W WO0076069A3 WO 2000076069 A3 WO2000076069 A3 WO 2000076069A3 US 0028180 W US0028180 W US 0028180W WO 0076069 A3 WO0076069 A3 WO 0076069A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- calibration techniques
- temperature compensation
- ctat
- ptat
- relaxation oscillator
- 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
- H03K3/023—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
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
- G05F3/242—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
- G05F3/245—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage producing a voltage or current as a predetermined function of the temperature
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00967353A EP1142114A2 (en) | 1999-04-26 | 2000-04-26 | Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/299,338 | 1999-04-26 | ||
US09/299,338 US6356161B1 (en) | 1998-03-19 | 1999-04-26 | Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000076069A2 WO2000076069A2 (en) | 2000-12-14 |
WO2000076069A3 true WO2000076069A3 (en) | 2001-07-26 |
Family
ID=23154360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/028180 WO2000076069A2 (en) | 1999-04-26 | 2000-04-26 | Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation |
Country Status (5)
Country | Link |
---|---|
US (1) | US6356161B1 (en) |
EP (1) | EP1142114A2 (en) |
CN (1) | CN1535499A (en) |
TW (1) | TW476190B (en) |
WO (1) | WO2000076069A2 (en) |
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US5352934A (en) * | 1991-01-22 | 1994-10-04 | Information Storage Devices, Inc. | Integrated mosfet resistance and oscillator frequency control and trim methods and apparatus |
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EP0944169A2 (en) * | 1998-03-19 | 1999-09-22 | Microchip Technology Inc. | A precision relaxation oscillator integrated circuit with temperature compensation |
US6020790A (en) * | 1998-07-30 | 2000-02-01 | Motorola, Inc. | Oscillator calibration method and circuit and radio with oscillator |
US6052035A (en) * | 1998-03-19 | 2000-04-18 | Microchip Technology Incorporated | Oscillator with clock output inhibition control |
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JP2682470B2 (en) | 1994-10-24 | 1997-11-26 | 日本電気株式会社 | Reference current circuit |
-
1999
- 1999-04-26 US US09/299,338 patent/US6356161B1/en not_active Expired - Lifetime
-
2000
- 2000-04-26 WO PCT/US2000/028180 patent/WO2000076069A2/en not_active Application Discontinuation
- 2000-04-26 EP EP00967353A patent/EP1142114A2/en not_active Withdrawn
- 2000-04-26 CN CNA008010900A patent/CN1535499A/en active Pending
- 2000-07-24 TW TW089108171A patent/TW476190B/en active
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US5352934A (en) * | 1991-01-22 | 1994-10-04 | Information Storage Devices, Inc. | Integrated mosfet resistance and oscillator frequency control and trim methods and apparatus |
US5563928A (en) * | 1993-09-30 | 1996-10-08 | Lsi Logic Corporation | Method and apparatus for optimizing the performance of digital systems |
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Also Published As
Publication number | Publication date |
---|---|
WO2000076069A2 (en) | 2000-12-14 |
US6356161B1 (en) | 2002-03-12 |
CN1535499A (en) | 2004-10-06 |
TW476190B (en) | 2002-02-11 |
EP1142114A2 (en) | 2001-10-10 |
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