DE60232836D1 - Differentieller spannungsgesteuerter Oszillator mit Varaktoren und umschaltbaren Frequenzbändern - Google Patents

Differentieller spannungsgesteuerter Oszillator mit Varaktoren und umschaltbaren Frequenzbändern

Info

Publication number
DE60232836D1
DE60232836D1 DE60232836T DE60232836T DE60232836D1 DE 60232836 D1 DE60232836 D1 DE 60232836D1 DE 60232836 T DE60232836 T DE 60232836T DE 60232836 T DE60232836 T DE 60232836T DE 60232836 D1 DE60232836 D1 DE 60232836D1
Authority
DE
Germany
Prior art keywords
varactors
frequency bands
controlled oscillator
voltage controlled
differential voltage
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 - Lifetime
Application number
DE60232836T
Other languages
English (en)
Inventor
Afshin D Momtat
Armond Hairapetian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Broadcom Corp
Original Assignee
Broadcom Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of DE60232836D1 publication Critical patent/DE60232836D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
    • 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
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank
DE60232836T 2001-05-18 2002-04-26 Differentieller spannungsgesteuerter Oszillator mit Varaktoren und umschaltbaren Frequenzbändern Expired - Lifetime DE60232836D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/860,284 US6621362B2 (en) 2001-05-18 2001-05-18 Varactor based differential VCO band switching

Publications (1)

Publication Number Publication Date
DE60232836D1 true DE60232836D1 (de) 2009-08-20

Family

ID=25332871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60232836T Expired - Lifetime DE60232836D1 (de) 2001-05-18 2002-04-26 Differentieller spannungsgesteuerter Oszillator mit Varaktoren und umschaltbaren Frequenzbändern

Country Status (3)

Country Link
US (1) US6621362B2 (de)
EP (1) EP1261126B1 (de)
DE (1) DE60232836D1 (de)

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US6308055B1 (en) * 1998-05-29 2001-10-23 Silicon Laboratories, Inc. Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications
US6327463B1 (en) * 1998-05-29 2001-12-04 Silicon Laboratories, Inc. Method and apparatus for generating a variable capacitance for synthesizing high-frequency signals for wireless communications
US6735246B1 (en) 1999-07-23 2004-05-11 Silicon Laboratories Inc. Integrated modem and line-isolation circuitry with data flow control and associated method
US6801092B1 (en) * 2003-04-08 2004-10-05 Broadcom Corp. Phase locked loop that avoids false locking
JP3650971B2 (ja) * 2002-11-22 2005-05-25 株式会社イワキ スプール弁の構造
JP2004266571A (ja) * 2003-02-28 2004-09-24 Nec Electronics Corp 電圧制御発振器
DE10312436A1 (de) * 2003-03-20 2004-10-07 Infineon Technologies Ag Kombinatorisch geschaltete Steuerspannung für Multiband-VCOs
US7075379B2 (en) * 2003-07-23 2006-07-11 Agency For Science, Technology And Research Low supply-sensitive and wide tuning-range CMOS LC-tank voltage-controlled oscillator monolithic integrated circuit
US7227424B2 (en) * 2004-03-22 2007-06-05 Mobius Microsystems, Inc. Transconductance and current modulation for resonant frequency control and selection
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FR2871628B1 (fr) 2004-06-10 2006-08-11 Commissariat Energie Atomique Oscillateur controle en tension
DE102004059987B4 (de) * 2004-12-13 2010-09-30 Infineon Technologies Ag Spannungsgesteuerte Oszillatorschaltung mit analoger und digitaler Ansteuerung und phasenverriegelte Regelschleife mit einer solchen Oszillatorschaltung
US7221234B2 (en) * 2005-03-18 2007-05-22 Broadcom Corporation VCO with switchable varactor for low KVCO variation
US20070004362A1 (en) * 2005-06-30 2007-01-04 Lawrence Der Methods and apparatus to generate small frequency changes
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JP2007104152A (ja) * 2005-09-30 2007-04-19 Sharp Corp 電圧制御発振器及び電圧制御発振器ユニット
TWI321909B (en) * 2006-11-17 2010-03-11 Sunplus Technology Co Ltd Switch capacitance and varactor bank applied to voltage controlled oscillator having constant kvco
US7646257B2 (en) * 2007-01-10 2010-01-12 Motorola, Inc. Method and apparatus to facilitate the provision and use of a plurality of varactors with a plurality of switches
US7760032B2 (en) * 2007-04-20 2010-07-20 Tialinx, Inc. Self-compensating voltage-controlled oscillator
US20080284526A1 (en) * 2007-05-15 2008-11-20 Joseph Hughes Tuning circuit and method
US7675373B2 (en) * 2007-05-29 2010-03-09 Infineon Technologies Ag Voltage controlled oscillator circuit and a method for configuring a voltage controlled oscillator circuit
US8130051B2 (en) * 2008-02-06 2012-03-06 Broadcom Corporation Method and system for varactor linearization
US20110049999A1 (en) * 2009-08-31 2011-03-03 Yu Zhang Circuit for controlling a tuning gain of a voltage controlled oscillator
US8098110B2 (en) * 2009-11-20 2012-01-17 Qualcomm Incorporated Phase locked loop apparatus with selectable capacitance device
US20130296217A1 (en) * 2010-10-21 2013-11-07 Cornell University Oscillator circuit and system
US8432229B2 (en) 2011-04-14 2013-04-30 Lsi Corporation PVT consistent PLL incorporating multiple LCVCOs
FR2985875B1 (fr) * 2012-01-17 2014-01-31 St Microelectronics Sa Dispositif a capacite variable
FR2985876B1 (fr) 2012-01-17 2014-02-14 St Microelectronics Sa Dispositif a capacite variable
US9466872B2 (en) * 2012-11-09 2016-10-11 Futurewei Technologies, Inc. Tunable dual loop antenna system
JP6206664B2 (ja) * 2013-10-30 2017-10-04 セイコーエプソン株式会社 発振回路、発振器、発振器の製造方法、電子機器及び移動体
JP2015088876A (ja) 2013-10-30 2015-05-07 セイコーエプソン株式会社 振動素子、振動子、電子デバイス、電子機器及び移動体
JP2015088930A (ja) * 2013-10-30 2015-05-07 セイコーエプソン株式会社 発振回路、発振器、発振器の製造方法、電子機器及び移動体
JP6226127B2 (ja) 2013-10-30 2017-11-08 セイコーエプソン株式会社 発振回路、発振器、発振器の製造方法、電子機器及び移動体
JP2015088931A (ja) 2013-10-30 2015-05-07 セイコーエプソン株式会社 発振回路、発振器、発振器の製造方法、電子機器及び移動体
US9768799B1 (en) * 2016-03-21 2017-09-19 Industry University Cooperation Foundation Hanyang University Analog to digital converter including differential VCO
US20180083473A1 (en) * 2016-09-16 2018-03-22 Qualcomm Incorporated Variable capacitor series tuning configuration
US10693470B2 (en) * 2018-07-30 2020-06-23 Futurewei Technologies, Inc. Dual mode power supply for voltage controlled oscillators
US10686453B2 (en) 2018-07-30 2020-06-16 Futurewei Technologies, Inc. Power supply for voltage controlled oscillators with automatic gain control
CN110138339A (zh) * 2019-05-15 2019-08-16 清华大学深圳研究生院 一种低成本的压控振荡器
CN113555202B (zh) * 2021-07-06 2022-03-25 杭州电子科技大学 一种可调节差分有源电感电路
CN115529006B (zh) * 2022-11-25 2023-03-10 成都爱旗科技有限公司 一种频带切换电路、频带切换方法及压控振荡器

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US4003004A (en) * 1975-04-09 1977-01-11 Nasa Frequency modulated oscillator
JPS61113410U (de) 1984-12-27 1986-07-17
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US5686864A (en) 1995-09-05 1997-11-11 Motorola, Inc. Method and apparatus for controlling a voltage controlled oscillator tuning range in a frequency synthesizer
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US5739730A (en) 1995-12-22 1998-04-14 Microtune, Inc. Voltage controlled oscillator band switching technique
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US5942950A (en) 1997-05-12 1999-08-24 Ail Systems, Inc. Varactor tuned strip line resonator and VCO using same
SE515783C2 (sv) 1997-09-11 2001-10-08 Ericsson Telefon Ab L M Elektriska anordningar jämte förfarande för deras tillverkning
US6137372A (en) * 1998-05-29 2000-10-24 Silicon Laboratories Inc. Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications
US6091304A (en) * 1998-09-22 2000-07-18 Lg Information & Communications, Ltd. Frequency band select phase lock loop device
US6211745B1 (en) * 1999-05-03 2001-04-03 Silicon Wave, Inc. Method and apparatus for digitally controlling the capacitance of an integrated circuit device using mos-field effect transistors
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US6194975B1 (en) 1999-12-13 2001-02-27 Motorola, Inc. Dual band VCO with improved phase noise
US20010035797A1 (en) * 2000-02-24 2001-11-01 German Gutierrez Method and circuitry for implementing a differentially tuned varactor-inductor oscillator

Also Published As

Publication number Publication date
US6621362B2 (en) 2003-09-16
EP1261126A3 (de) 2004-07-21
EP1261126A2 (de) 2002-11-27
EP1261126B1 (de) 2009-07-08
US20020171499A1 (en) 2002-11-21

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