DE602004015898D1 - Spannungsgesteuerter Oszillator mit abstimmbaren MOS-Kondensatoren - Google Patents

Spannungsgesteuerter Oszillator mit abstimmbaren MOS-Kondensatoren

Info

Publication number
DE602004015898D1
DE602004015898D1 DE602004015898T DE602004015898T DE602004015898D1 DE 602004015898 D1 DE602004015898 D1 DE 602004015898D1 DE 602004015898 T DE602004015898 T DE 602004015898T DE 602004015898 T DE602004015898 T DE 602004015898T DE 602004015898 D1 DE602004015898 D1 DE 602004015898D1
Authority
DE
Germany
Prior art keywords
controlled oscillator
voltage controlled
mos capacitors
tunable mos
tunable
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
DE602004015898T
Other languages
English (en)
Inventor
Kotaro Takagi
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.)
Sony Corp
Original Assignee
Sony Ericsson Mobile Communications Japan Inc
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 Sony Ericsson Mobile Communications Japan Inc filed Critical Sony Ericsson Mobile Communications Japan Inc
Publication of DE602004015898D1 publication Critical patent/DE602004015898D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1228—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
    • H03B5/1212—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
    • H03B5/1246—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising transistors used to provide a variable capacitance
    • H03B5/1253—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising transistors used to provide a variable capacitance the transistors being field-effect transistors
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1296—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0062—Bias and operating point

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
DE602004015898T 2003-08-08 2004-08-04 Spannungsgesteuerter Oszillator mit abstimmbaren MOS-Kondensatoren Expired - Lifetime DE602004015898D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003290145A JP2005064691A (ja) 2003-08-08 2003-08-08 共振回路および電圧制御発振器

Publications (1)

Publication Number Publication Date
DE602004015898D1 true DE602004015898D1 (de) 2008-10-02

Family

ID=33550073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004015898T Expired - Lifetime DE602004015898D1 (de) 2003-08-08 2004-08-04 Spannungsgesteuerter Oszillator mit abstimmbaren MOS-Kondensatoren

Country Status (4)

Country Link
US (1) US7183870B2 (de)
EP (1) EP1505721B1 (de)
JP (1) JP2005064691A (de)
DE (1) DE602004015898D1 (de)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10209517A1 (de) * 2002-03-04 2003-06-26 Infineon Technologies Ag Abstimmbares, kapazitives Bauteil und LC-Oszillator mit dem Bauteil
GB2408400B (en) * 2003-11-24 2006-05-03 Zarlink Semiconductor Ltd A circuit arrangement
GB2408401B (en) * 2003-11-24 2006-05-03 Zarlink Semiconductor Ltd A network
US7190237B2 (en) * 2004-05-27 2007-03-13 Continental Automotive, Inc. Open-loop start-up method for a resonating device
GB0506887D0 (en) * 2005-04-05 2005-05-11 Rokos George H S Improvement to tuning control
JP2006135829A (ja) * 2004-11-09 2006-05-25 Renesas Technology Corp 可変インダクタ並びにそれを用いた発振器及び情報機器
DE102005003904A1 (de) * 2005-01-27 2006-10-12 Infineon Technologies Ag Oszillatorschaltung
US7280002B2 (en) * 2005-03-03 2007-10-09 Avago Technologies General Ip Pte Ltd Method and apparatus for biasing a metal-oxide-semiconductor capacitor for capacitive tuning
KR100727319B1 (ko) * 2005-05-04 2007-06-12 삼성전자주식회사 미세 조정 장치와 디지털 조정 장치 및 이를 구비하는 전압제어 발진기
US7782151B2 (en) * 2005-05-25 2010-08-24 Integrated Device Technology Inc. VCO digital range selection
US7394329B2 (en) * 2005-09-14 2008-07-01 Silicon Laboratories Inc. Analog varactor
US8169185B2 (en) 2006-01-31 2012-05-01 Mojo Mobility, Inc. System and method for inductive charging of portable devices
US11201500B2 (en) 2006-01-31 2021-12-14 Mojo Mobility, Inc. Efficiencies and flexibilities in inductive (wireless) charging
US7952322B2 (en) 2006-01-31 2011-05-31 Mojo Mobility, Inc. Inductive power source and charging system
US7948208B2 (en) * 2006-06-01 2011-05-24 Mojo Mobility, Inc. Power source, charging system, and inductive receiver for mobile devices
US11329511B2 (en) 2006-06-01 2022-05-10 Mojo Mobility Inc. Power source, charging system, and inductive receiver for mobile devices
US20080272851A1 (en) * 2007-05-04 2008-11-06 Mediatek Inc. LC voltage controlled oscillator with tunable capacitance unit
KR100937402B1 (ko) * 2007-09-19 2010-01-18 한국전자통신연구원 넓은 발진 주파수 범위와 선형 특성을 갖는 전압 제어발진기
US20110050164A1 (en) 2008-05-07 2011-03-03 Afshin Partovi System and methods for inductive charging, and improvements and uses thereof
JP2010010864A (ja) * 2008-06-25 2010-01-14 Nec Corp 電圧制御発振器
JP5655534B2 (ja) * 2009-12-18 2015-01-21 日本電波工業株式会社 電圧制御可変容量及び電圧制御発振器
US8134418B2 (en) * 2010-04-13 2012-03-13 Xilinx, Inc. Varactor circuit and voltage-controlled oscillation
WO2011156768A2 (en) 2010-06-11 2011-12-15 Mojo Mobility, Inc. System for wireless power transfer that supports interoperability, and multi-pole magnets for use therewith
US9178369B2 (en) 2011-01-18 2015-11-03 Mojo Mobility, Inc. Systems and methods for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system
US9496732B2 (en) 2011-01-18 2016-11-15 Mojo Mobility, Inc. Systems and methods for wireless power transfer
US11342777B2 (en) 2011-01-18 2022-05-24 Mojo Mobility, Inc. Powering and/or charging with more than one protocol
US10115520B2 (en) 2011-01-18 2018-10-30 Mojo Mobility, Inc. Systems and method for wireless power transfer
US8786376B2 (en) * 2011-12-13 2014-07-22 Peraso Technologies, Inc. Varactor voltage controlled oscillator (VCO) providing independent coarse and fine frequency tuning
US8618891B2 (en) * 2011-12-30 2013-12-31 Tensorcom, Inc. Method and apparatus of a resonant oscillator separately driving two independent functions
US20130169373A1 (en) * 2011-12-30 2013-07-04 Tensorcom, Inc. Method and Apparatus of Capacitively Coupling an Adjustable Capacitive Circuit in a VCO
US20130271069A1 (en) 2012-03-21 2013-10-17 Mojo Mobility, Inc. Systems and methods for wireless power transfer
US9722447B2 (en) 2012-03-21 2017-08-01 Mojo Mobility, Inc. System and method for charging or powering devices, such as robots, electric vehicles, or other mobile devices or equipment
US8970310B2 (en) * 2012-10-10 2015-03-03 Analog Devices, Inc. Monolithic band switched coupled push-push oscillator
US9837846B2 (en) 2013-04-12 2017-12-05 Mojo Mobility, Inc. System and method for powering or charging receivers or devices having small surface areas or volumes
US9324490B2 (en) 2013-05-28 2016-04-26 Tdk Corporation Apparatus and methods for vector inductors
US9570222B2 (en) 2013-05-28 2017-02-14 Tdk Corporation Vector inductor having multiple mutually coupled metalization layers providing high quality factor
US9086709B2 (en) 2013-05-28 2015-07-21 Newlans, Inc. Apparatus and methods for variable capacitor arrays
JP2015109422A (ja) * 2013-10-22 2015-06-11 株式会社半導体エネルギー研究所 半導体装置の評価方法
US9425736B2 (en) 2014-01-02 2016-08-23 International Business Machines Corporation Variable capacitor structure
US9461610B2 (en) * 2014-12-03 2016-10-04 Tdk Corporation Apparatus and methods for high voltage variable capacitors
US9735752B2 (en) * 2014-12-03 2017-08-15 Tdk Corporation Apparatus and methods for tunable filters
US9671812B2 (en) 2014-12-17 2017-06-06 Tdk Corporation Apparatus and methods for temperature compensation of variable capacitors
US9362882B1 (en) 2015-01-23 2016-06-07 Tdk Corporation Apparatus and methods for segmented variable capacitor arrays
US10382002B2 (en) 2015-03-27 2019-08-13 Tdk Corporation Apparatus and methods for tunable phase networks
US9680426B2 (en) 2015-03-27 2017-06-13 Tdk Corporation Power amplifiers with tunable notches
US10073482B2 (en) 2015-03-30 2018-09-11 Tdk Corporation Apparatus and methods for MOS capacitor structures for variable capacitor arrays
US9595942B2 (en) 2015-03-30 2017-03-14 Tdk Corporation MOS capacitors with interleaved fingers and methods of forming the same
US10042376B2 (en) 2015-03-30 2018-08-07 Tdk Corporation MOS capacitors for variable capacitor arrays and methods of forming the same
US9973155B2 (en) 2015-07-09 2018-05-15 Tdk Corporation Apparatus and methods for tunable power amplifiers
US9673753B1 (en) * 2016-01-19 2017-06-06 Cavium, Inc. Voltage-controlled oscillator with improved tuning curve linearization
JP6656195B2 (ja) * 2017-03-15 2020-03-04 株式会社東芝 電圧制御発振器
CN109217820A (zh) * 2017-07-07 2019-01-15 安徽爱科森齐微电子科技有限公司 一种压控振荡器
CN107659267B (zh) * 2017-10-18 2023-11-21 苏州云芯微电子科技有限公司 一种调谐曲线线性化的全差分压控振荡器
US11973480B2 (en) 2018-09-04 2024-04-30 Sony Semiconductor Solutions Corporation Variable capacitance circuit and wireless communication device
US11444485B2 (en) 2019-02-05 2022-09-13 Mojo Mobility, Inc. Inductive charging system with charging electronics physically separated from charging coil
KR20220135269A (ko) * 2021-03-29 2022-10-07 삼성전자주식회사 가변 커패시터 회로 및 이를 포함하는 디지털 제어 오실레이터
US11601152B1 (en) * 2021-09-13 2023-03-07 Apple Inc. Radio-frequency power amplifier with amplitude modulation to phase modulation (AMPM) compensation
US11569814B1 (en) * 2021-10-15 2023-01-31 Analog Bits, Inc. Variable capacitance circuit for phase locked loops

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010035797A1 (en) 2000-02-24 2001-11-01 German Gutierrez Method and circuitry for implementing a differentially tuned varactor-inductor oscillator
JP2002043842A (ja) 2000-07-26 2002-02-08 Oki Electric Ind Co Ltd Ｌｃ共振回路及び電圧制御型発振回路
US6985703B2 (en) 2001-10-04 2006-01-10 Sequoia Corporation Direct synthesis transmitter
US6774736B1 (en) 2002-01-14 2004-08-10 Microtune (San Diego), Inc. Voltage-controlled oscillator circuit for direct modulation
DE10209517A1 (de) 2002-03-04 2003-06-26 Infineon Technologies Ag Abstimmbares, kapazitives Bauteil und LC-Oszillator mit dem Bauteil
US6917248B2 (en) * 2002-07-18 2005-07-12 Sige Semiconductor Inc. Broadband voltage controlled oscillator supporting improved phase noise
US6906596B2 (en) * 2002-09-25 2005-06-14 Renesas Technology Corp. Oscillation circuit and a communication semiconductor integrated circuit

Also Published As

Publication number Publication date
EP1505721B1 (de) 2008-08-20
US7183870B2 (en) 2007-02-27
US20050030116A1 (en) 2005-02-10
JP2005064691A (ja) 2005-03-10
EP1505721A1 (de) 2005-02-09

Similar Documents

Publication Publication Date Title
DE602004015898D1 (de) Spannungsgesteuerter Oszillator mit abstimmbaren MOS-Kondensatoren
DE60309750D1 (de) Doppelfrequenz-dipolantennenstruktur mit niedrigem profil
DE10209517A8 (de) Abstimmbares, kapazitives Bauteil und LC-Oszillator mit dem Bauteil
TWI369067B (en) Temperature compensated voltage controlled oscillator
DE602004009490D1 (de) Piezoelektrischer Oszillator
DE60322920D1 (de) Heterocyclische verbindungen mit hiv-integrase-hemmender wirkung
DE602004024728D1 (de) Schiebeelement
DE602005025715D1 (de) Kondensator
DE60313703D1 (de) Spannungsverfolger
IL177700A (en) Interpolative varactor voltage controlled oscillator with constant modulation sensitivity
DE60327460D1 (de) Zellensuche mit Frequenzablageschätzung
DE60235693D1 (de) Varaktor mit erweitertem Durchstimmungsbereich
DE502004011333D1 (de) Polyalkenamine mit verbesserten anwendungseigenschaften
DE602004019555D1 (de) Heterocyclische 7-aminoalkylidenylchinolone und -naphthyridone
HK1074702A1 (en) Voltage-controlled oscillator
GB0202615D0 (en) Voltage controlled oscillators
DE50201316D1 (de) Spannungsgesteuerte oszillatorschaltung
IL155536A0 (en) Voltage tunable integrated infrared imager
DE602004018090D1 (de) Integrierter Oszillator mit verbesserter Frequenzstabilität
DE50312210D1 (de) Integrierte schaltungsanordnung mit kondensatoren stellungsverfahren
DE602004013234D1 (de) Elektrooptisches Element
DE602004005946D1 (de) Laseroszillator
DE602004019268D1 (de) Stromgesteuerter Oszillator
DE602005023511D1 (de) Metall-isolator-metall-bauelement
DE602004027792D1 (de) Indazolamide mit analgetischer wirkung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition