WO2002099974A3 - Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same - Google Patents
Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same Download PDFInfo
- Publication number
- WO2002099974A3 WO2002099974A3 PCT/US2002/017508 US0217508W WO02099974A3 WO 2002099974 A3 WO2002099974 A3 WO 2002099974A3 US 0217508 W US0217508 W US 0217508W WO 02099974 A3 WO02099974 A3 WO 02099974A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- controlled oscillator
- voltage controlled
- vco
- input
- methods
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/101—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop
- H03L7/102—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop the additional signal being directly applied to the controlled loop oscillator
- H03L7/103—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using an additional control signal to the controlled loop oscillator derived from a signal generated in the loop the additional signal being directly applied to the controlled loop oscillator the additional signal being a digital signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/105—Resetting the controlled oscillator when its frequency is outside a predetermined limit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60211901T DE60211901D1 (en) | 2001-06-04 | 2002-06-04 | TUNABLE VOLTAGE-CONTROLLED OSCILLATOR CIRCUIT WITH DETECTION AID AND METHODS OF OPERATING THE SAME |
EP02726967A EP1402643B1 (en) | 2001-06-04 | 2002-06-04 | Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same |
AU2002257363A AU2002257363A1 (en) | 2001-06-04 | 2002-06-04 | Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/874,408 US6424229B1 (en) | 2001-06-04 | 2001-06-04 | Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same |
US09/874,408 | 2001-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002099974A2 WO2002099974A2 (en) | 2002-12-12 |
WO2002099974A3 true WO2002099974A3 (en) | 2003-12-31 |
Family
ID=25363679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/017508 WO2002099974A2 (en) | 2001-06-04 | 2002-06-04 | Tunable voltage controlled oscillator circuit having aided acquisition and methods for operating the same |
Country Status (6)
Country | Link |
---|---|
US (1) | US6424229B1 (en) |
EP (1) | EP1402643B1 (en) |
AT (1) | ATE328392T1 (en) |
AU (1) | AU2002257363A1 (en) |
DE (1) | DE60211901D1 (en) |
WO (1) | WO2002099974A2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6831523B1 (en) | 2000-07-10 | 2004-12-14 | Silicon Laboratories Inc. | Auto-detection between referenceless and reference clock mode of operation |
US6686803B1 (en) * | 2000-07-10 | 2004-02-03 | Silicon Laboratories, Inc. | Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor |
US6747443B2 (en) * | 2001-08-31 | 2004-06-08 | Power Integrations, Inc. | Method and apparatus for trimming current limit and frequency to maintain a constant maximum power |
US6927637B1 (en) * | 2003-06-21 | 2005-08-09 | Skyworks Solutions, Inc. | Efficient tuning circuit for on-chip voltage controlled oscillator and method |
US7251467B2 (en) * | 2003-10-14 | 2007-07-31 | Qualcomm Incorporated | Telecommunications using a tunable oscillator |
US7432749B1 (en) * | 2004-06-23 | 2008-10-07 | Cypress Semiconductor Corp. | Circuit and method for improving frequency range in a phase locked loop |
US7400206B2 (en) * | 2005-03-24 | 2008-07-15 | Silicon Laboratories Inc. | Clock circuit with programmable load capacitors |
JP5154741B2 (en) * | 2005-05-26 | 2013-02-27 | テクトロニクス・インターナショナル・セールス・ゲーエムベーハー | Noise characteristics display method |
US20070016835A1 (en) * | 2005-07-12 | 2007-01-18 | Integrated Device Technology, Inc. | Method and apparatus for parameter adjustment, testing, and configuration |
US7692497B2 (en) * | 2007-02-12 | 2010-04-06 | Analogix Semiconductor, Inc. | PLLS covering wide operating frequency ranges |
US8817491B2 (en) * | 2009-04-27 | 2014-08-26 | Hewlett-Packard Development Company, L.P. | Electric power conversion system having an adaptable transformer turns ratio for improved efficiency |
US20120057606A1 (en) * | 2010-09-07 | 2012-03-08 | Broadcom Corporation | Multiplexer circuit |
US11552644B2 (en) | 2020-01-19 | 2023-01-10 | Ixi Technology Holdings, Inc. | Fast frequency hopping of modulated signals |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4590602A (en) * | 1983-08-18 | 1986-05-20 | General Signal | Wide range clock recovery circuit |
US5473639A (en) * | 1993-07-26 | 1995-12-05 | Hewlett-Packard Company | Clock recovery apparatus with means for sensing an out of lock condition |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4336616A (en) * | 1978-12-15 | 1982-06-22 | Nasa | Discriminator aided phase lock acquisition for suppressed carrier signals |
US5648744A (en) | 1995-12-22 | 1997-07-15 | Microtune, Inc. | System and method for voltage controlled oscillator automatic band selection |
US5942949A (en) | 1997-10-14 | 1999-08-24 | Lucent Technologies Inc. | Self-calibrating phase-lock loop with auto-trim operations for selecting an appropriate oscillator operating curve |
US5903195A (en) * | 1998-01-30 | 1999-05-11 | International Business Machines Corporation | Automatically ranging phase locked loop circuit for microprocessor clock generation |
US6407439B1 (en) * | 1999-08-19 | 2002-06-18 | Epitaxial Technologies, Llc | Programmable multi-wavelength detector array |
-
2001
- 2001-06-04 US US09/874,408 patent/US6424229B1/en not_active Expired - Lifetime
-
2002
- 2002-06-04 AT AT02726967T patent/ATE328392T1/en not_active IP Right Cessation
- 2002-06-04 EP EP02726967A patent/EP1402643B1/en not_active Expired - Lifetime
- 2002-06-04 WO PCT/US2002/017508 patent/WO2002099974A2/en active IP Right Grant
- 2002-06-04 AU AU2002257363A patent/AU2002257363A1/en not_active Abandoned
- 2002-06-04 DE DE60211901T patent/DE60211901D1/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4590602A (en) * | 1983-08-18 | 1986-05-20 | General Signal | Wide range clock recovery circuit |
US5473639A (en) * | 1993-07-26 | 1995-12-05 | Hewlett-Packard Company | Clock recovery apparatus with means for sensing an out of lock condition |
Also Published As
Publication number | Publication date |
---|---|
EP1402643B1 (en) | 2006-05-31 |
AU2002257363A1 (en) | 2002-12-16 |
ATE328392T1 (en) | 2006-06-15 |
EP1402643A2 (en) | 2004-03-31 |
DE60211901D1 (en) | 2006-07-06 |
US6424229B1 (en) | 2002-07-23 |
WO2002099974A2 (en) | 2002-12-12 |
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