JP2010278658A - 電圧制御発振器 - Google Patents

電圧制御発振器 Download PDF

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Publication number
JP2010278658A
JP2010278658A JP2009128038A JP2009128038A JP2010278658A JP 2010278658 A JP2010278658 A JP 2010278658A JP 2009128038 A JP2009128038 A JP 2009128038A JP 2009128038 A JP2009128038 A JP 2009128038A JP 2010278658 A JP2010278658 A JP 2010278658A
Authority
JP
Japan
Prior art keywords
node
controlled oscillator
voltage
varactor
voltage controlled
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.)
Pending
Application number
JP2009128038A
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English (en)
Japanese (ja)
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JP2010278658A5 (enExample
Inventor
Yoshiaki Nakamura
良明 中村
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.)
Renesas Electronics Corp
Original Assignee
Renesas Electronics 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 Renesas Electronics Corp filed Critical Renesas Electronics Corp
Priority to JP2009128038A priority Critical patent/JP2010278658A/ja
Priority to US12/784,837 priority patent/US8222963B2/en
Publication of JP2010278658A publication Critical patent/JP2010278658A/ja
Priority to US13/404,639 priority patent/US20120154067A1/en
Publication of JP2010278658A5 publication Critical patent/JP2010278658A5/ja
Pending legal-status Critical Current

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    • 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
    • H03B5/1215—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 the current source or degeneration circuit being in common to both transistors of the pair, e.g. a cross-coupled long-tailed 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
    • H03B5/1237—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
    • H03B5/1243—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 voltage variable capacitance diodes
    • 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

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  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
JP2009128038A 2009-05-27 2009-05-27 電圧制御発振器 Pending JP2010278658A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009128038A JP2010278658A (ja) 2009-05-27 2009-05-27 電圧制御発振器
US12/784,837 US8222963B2 (en) 2009-05-27 2010-05-21 Voltage-controlled oscillator
US13/404,639 US20120154067A1 (en) 2009-05-27 2012-02-24 Voltage-controlled oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009128038A JP2010278658A (ja) 2009-05-27 2009-05-27 電圧制御発振器

Publications (2)

Publication Number Publication Date
JP2010278658A true JP2010278658A (ja) 2010-12-09
JP2010278658A5 JP2010278658A5 (enExample) 2012-03-29

Family

ID=43219547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009128038A Pending JP2010278658A (ja) 2009-05-27 2009-05-27 電圧制御発振器

Country Status (2)

Country Link
US (2) US8222963B2 (enExample)
JP (1) JP2010278658A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9876480B2 (en) 2013-10-22 2018-01-23 Infineon Technologies Ag System and method for a tunable capacitance circuit
JP2021090130A (ja) * 2019-12-03 2021-06-10 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 電圧制御発振回路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8620251B2 (en) * 2012-02-08 2013-12-31 Harris Corporation Electronic device with adjustable filter and associated methods
US11069678B2 (en) * 2017-08-29 2021-07-20 Qorvo Us, Inc. Logic gate cell structure
JP2019057837A (ja) * 2017-09-21 2019-04-11 株式会社村田製作所 電力増幅回路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004147310A (ja) * 2002-10-03 2004-05-20 Matsushita Electric Ind Co Ltd 電圧制御発振器、無線通信機器、電圧制御発振方法
JP2004254162A (ja) * 2003-02-21 2004-09-09 Fujitsu Ltd 電圧制御発振器及びｐｌｌ回路
JP2008099132A (ja) * 2006-10-13 2008-04-24 Nec Corp 電圧制御発振器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6833769B2 (en) * 2003-03-21 2004-12-21 Nokia Corporation Voltage controlled capacitive elements having a biasing network
CN1297073C (zh) * 2002-10-03 2007-01-24 松下电器产业株式会社 电压控制振荡器、无线电通信设备和电压控制振荡的方法
US7098751B1 (en) * 2004-08-27 2006-08-29 National Semiconductor Corporation Tunable capacitance circuit for voltage control oscillator
JP2008118550A (ja) 2006-11-07 2008-05-22 Toshiba Corp 電圧制御発振器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004147310A (ja) * 2002-10-03 2004-05-20 Matsushita Electric Ind Co Ltd 電圧制御発振器、無線通信機器、電圧制御発振方法
JP2004254162A (ja) * 2003-02-21 2004-09-09 Fujitsu Ltd 電圧制御発振器及びｐｌｌ回路
JP2008099132A (ja) * 2006-10-13 2008-04-24 Nec Corp 電圧制御発振器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9876480B2 (en) 2013-10-22 2018-01-23 Infineon Technologies Ag System and method for a tunable capacitance circuit
JP2021090130A (ja) * 2019-12-03 2021-06-10 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 電圧制御発振回路
JP7591346B2 (ja) 2019-12-03 2024-11-28 三星電子株式会社 電圧制御発振回路
JP2025003741A (ja) * 2019-12-03 2025-01-09 三星電子株式会社 電圧制御発振回路
JP7760029B2 (ja) 2019-12-03 2025-10-24 三星電子株式会社 電圧制御発振回路

Also Published As

Publication number Publication date
US20100301956A1 (en) 2010-12-02
US8222963B2 (en) 2012-07-17
US20120154067A1 (en) 2012-06-21

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