TW200419893A - Oscillator circuit having reduced layout area and lower power supply transients - Google Patents
Oscillator circuit having reduced layout area and lower power supply transientsInfo
- Publication number
- TW200419893A TW200419893A TW092124212A TW92124212A TW200419893A TW 200419893 A TW200419893 A TW 200419893A TW 092124212 A TW092124212 A TW 092124212A TW 92124212 A TW92124212 A TW 92124212A TW 200419893 A TW200419893 A TW 200419893A
- Authority
- TW
- Taiwan
- Prior art keywords
- monitor
- power supply
- oscillator circuit
- control circuit
- comparator
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 abstract 3
- 230000000737 periodic effect Effects 0.000 abstract 3
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 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
- H03K4/066—Generating pulses having essentially a finite slope or stepped portions having triangular shape using a Miller-integrator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
-
- 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
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0315—Ring oscillators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/236,230 US6803832B2 (en) | 2002-09-06 | 2002-09-06 | Oscillator circuit having reduced layout area and lower power supply transients |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200419893A true TW200419893A (en) | 2004-10-01 |
TWI322562B TWI322562B (en) | 2010-03-21 |
Family
ID=31977624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092124212A TWI322562B (en) | 2002-09-06 | 2003-09-02 | Oscillator circuit having reduced layout area and lower power supply transients |
Country Status (7)
Country | Link |
---|---|
US (1) | US6803832B2 (zh) |
JP (1) | JP4355658B2 (zh) |
KR (1) | KR100976890B1 (zh) |
CN (1) | CN1320752C (zh) |
AU (1) | AU2003268372A1 (zh) |
TW (1) | TWI322562B (zh) |
WO (1) | WO2004023654A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005117140A (ja) * | 2003-10-03 | 2005-04-28 | Nec Electronics Corp | 発振回路及びそれを備える半導体集積回路 |
US7280000B2 (en) * | 2005-05-05 | 2007-10-09 | Infineon Technologies Ag | Apparatus and method for reducing power consumption within an oscillator |
US7564276B2 (en) * | 2006-06-28 | 2009-07-21 | Qualcomm Incorporated | Low-power modulus divider stage |
DE102006051768B4 (de) * | 2006-11-02 | 2015-11-26 | Infineon Technologies Ag | Vorrichtung und Verfahren zum Feststellen einer Beeinträchtigung einer durch einen Regelkreis bereitgestellten geregelten Spannung und Computerprogramm zur Durchführung des Verfahrens |
US7482858B2 (en) * | 2006-12-13 | 2009-01-27 | Taiwan Semiconductor Manufacturing Co., Ltd. | Temperature-sensitive current source |
CN101409541A (zh) * | 2008-11-18 | 2009-04-15 | 上海贝岭矽创微电子有限公司 | 环形振荡电路 |
KR101616046B1 (ko) * | 2009-10-05 | 2016-04-27 | 삼성전자주식회사 | 발진기 및 그 동작방법 |
EP2649725A4 (en) | 2010-12-10 | 2016-11-02 | Marvell World Trade Ltd | FAST SWITCH-ON COMPARATOR |
US20130099870A1 (en) * | 2011-10-20 | 2013-04-25 | Qualcomm Atheros, Inc. | Voltage controlled oscillators having low phase noise |
US8742880B2 (en) * | 2011-10-28 | 2014-06-03 | Qualcomm Incorporated | Single differential transformer core |
EP3293878B1 (en) | 2016-09-09 | 2021-06-23 | Black & Decker Inc. | Dual-inverter for a brushless motor |
FR3068836B1 (fr) * | 2017-07-07 | 2019-08-23 | Stmicroelectronics (Rousset) Sas | Circuit de protection d'un commutateur de puissance |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2415392A1 (fr) | 1978-01-20 | 1979-08-17 | Anvar | Circuit electronique multifonction a quatre circuits de base et applications de ce circuit |
JPS62226711A (ja) * | 1986-03-28 | 1987-10-05 | Nissan Motor Co Ltd | 発振回路 |
US4904960A (en) * | 1989-04-10 | 1990-02-27 | National Semiconductor Corporation | Precision CMOS oscillator circuit |
US5128634A (en) | 1990-10-29 | 1992-07-07 | Motorola, Inc. | Oscillator cirucit independent or parasitic capacitors |
US5459437A (en) * | 1994-05-10 | 1995-10-17 | Integrated Device Technology | Logic gate with controllable hysteresis and high frequency voltage controlled oscillator |
US6373343B1 (en) * | 1999-09-03 | 2002-04-16 | Texas Instruments Incorporated | Oscillator and method |
-
2002
- 2002-09-06 US US10/236,230 patent/US6803832B2/en not_active Expired - Lifetime
-
2003
- 2003-08-22 KR KR1020057003752A patent/KR100976890B1/ko active IP Right Grant
- 2003-08-22 AU AU2003268372A patent/AU2003268372A1/en not_active Abandoned
- 2003-08-22 CN CNB03820973XA patent/CN1320752C/zh not_active Expired - Fee Related
- 2003-08-22 JP JP2004534431A patent/JP4355658B2/ja not_active Expired - Fee Related
- 2003-08-22 WO PCT/US2003/027432 patent/WO2004023654A1/en active Application Filing
- 2003-09-02 TW TW092124212A patent/TWI322562B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP4355658B2 (ja) | 2009-11-04 |
US20040046614A1 (en) | 2004-03-11 |
JP2005538609A (ja) | 2005-12-15 |
WO2004023654A1 (en) | 2004-03-18 |
TWI322562B (en) | 2010-03-21 |
KR20050057172A (ko) | 2005-06-16 |
US6803832B2 (en) | 2004-10-12 |
CN1320752C (zh) | 2007-06-06 |
AU2003268372A1 (en) | 2004-03-29 |
KR100976890B1 (ko) | 2010-08-18 |
CN1679235A (zh) | 2005-10-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |