ITVA20070009A1 - Metodo di regolazione della frequenza di risonanza di un circuito risonante lc e relativo circuito risonante - Google Patents

Metodo di regolazione della frequenza di risonanza di un circuito risonante lc e relativo circuito risonante

Info

Publication number
ITVA20070009A1
ITVA20070009A1 IT000009A ITVA20070009A ITVA20070009A1 IT VA20070009 A1 ITVA20070009 A1 IT VA20070009A1 IT 000009 A IT000009 A IT 000009A IT VA20070009 A ITVA20070009 A IT VA20070009A IT VA20070009 A1 ITVA20070009 A1 IT VA20070009A1
Authority
IT
Italy
Prior art keywords
resonant circuit
inductor
frequency
resonance
adjusting
Prior art date
Application number
IT000009A
Other languages
English (en)
Inventor
Guido Gabriele Albasini
Giuseppe Cusmai
Matteo Repossi
Francesco Svelto
Original Assignee
St Microelectronics Srl
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 St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to IT000009A priority Critical patent/ITVA20070009A1/it
Priority to US12/015,281 priority patent/US7649424B2/en
Publication of ITVA20070009A1 publication Critical patent/ITVA20070009A1/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183Long tailed pairs
    • H03F3/45188Non-folded cascode stages
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B27/00Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1206Generation 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
    • H03B5/1212Generation 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
    • H03B5/1215Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1228Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1237Generation 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
    • H03B5/124Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1237Generation 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
    • H03B5/1271Generation 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 frequency being controlled by a control current, i.e. current controlled oscillators
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1296Generation 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/336A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45Indexing scheme relating to differential amplifiers
    • H03F2203/45296Indexing scheme relating to differential amplifiers the AAC comprising one or more discrete capacitive elements, e.g. a transistor coupled as capacitor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45Indexing scheme relating to differential amplifiers
    • H03F2203/45318Indexing scheme relating to differential amplifiers the AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45Indexing scheme relating to differential amplifiers
    • H03F2203/45704Indexing scheme relating to differential amplifiers the LC comprising one or more parallel resonance circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45Indexing scheme relating to differential amplifiers
    • H03F2203/45731Indexing scheme relating to differential amplifiers the LC comprising a transformer
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0153Electrical filters; Controlling thereof
    • H03H7/0161Bandpass filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/09Filters comprising mutual inductance
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/17Structural details of sub-circuits of frequency selective networks
    • H03H7/1741Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775Parallel LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Filters And Equalizers (AREA)
IT000009A 2007-01-17 2007-01-17 Metodo di regolazione della frequenza di risonanza di un circuito risonante lc e relativo circuito risonante ITVA20070009A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT000009A ITVA20070009A1 (it) 2007-01-17 2007-01-17 Metodo di regolazione della frequenza di risonanza di un circuito risonante lc e relativo circuito risonante
US12/015,281 US7649424B2 (en) 2007-01-17 2008-01-16 Method of adjusting the resonance frequency of an L-C resonant circuit and resonant circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000009A ITVA20070009A1 (it) 2007-01-17 2007-01-17 Metodo di regolazione della frequenza di risonanza di un circuito risonante lc e relativo circuito risonante

Publications (1)

Publication Number Publication Date
ITVA20070009A1 true ITVA20070009A1 (it) 2008-07-18

Family

ID=39640653

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000009A ITVA20070009A1 (it) 2007-01-17 2007-01-17 Metodo di regolazione della frequenza di risonanza di un circuito risonante lc e relativo circuito risonante

Country Status (2)

Country Link
US (1) US7649424B2 (it)
IT (1) ITVA20070009A1 (it)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4402143B2 (ja) * 2007-09-10 2010-01-20 株式会社日立製作所 発振器及びそれを用いた通信システム
US8031019B2 (en) * 2009-02-02 2011-10-04 Qualcomm Incorporated Integrated voltage-controlled oscillator circuits
US8736392B2 (en) * 2009-03-18 2014-05-27 Qualcomm Incorporated Transformer-based CMOS oscillators
JP4991784B2 (ja) * 2009-03-31 2012-08-01 株式会社日立製作所 発振器及びそれを用いた周波数生成回路並びに無線通信システム
US8183948B2 (en) 2009-09-13 2012-05-22 International Business Machines Corporation Ultra-compact PLL with wide tuning range and low noise
US8665033B2 (en) * 2011-02-18 2014-03-04 Qualcomm Incorporated Varactorless tunable oscillator
US8970315B2 (en) 2011-09-09 2015-03-03 Analog Devices, Inc. Low noise oscillator having passive impedance network
WO2013043334A1 (en) 2011-09-23 2013-03-28 Rambus Inc. Electronic circuits using coupled multi-inductors
US8779861B2 (en) * 2011-10-19 2014-07-15 Newport Media, Inc. Multi-phase voltage controlled oscillator using capacitance degenerated single ended transconductance stage and inductance/capacitance load
US8918070B2 (en) 2012-05-04 2014-12-23 Analog Devices, Inc. Frequency tuning for LC circuits
US8766712B2 (en) 2012-05-04 2014-07-01 Analog Devices, Inc. Quality factor tuning for LC circuits
US9197221B2 (en) * 2012-09-16 2015-11-24 Technische Universiteit Delft Class-F CMOS oscillator incorporating differential passive network
US8970310B2 (en) 2012-10-10 2015-03-03 Analog Devices, Inc. Monolithic band switched coupled push-push oscillator
DE102014102940A1 (de) 2013-03-13 2014-09-18 Analog Devices, Inc. Oszillator mit LC-Primär- und Sekundärschwingschaltungen
US9985682B2 (en) * 2013-10-24 2018-05-29 Qorvo Us, Inc. Broadband isolation low-loss ISM/MB-HB tunable diplexer
US9509256B2 (en) 2014-07-29 2016-11-29 Qualcomm Incorporated Linearized gate capacitance in power amplifiers
US9374036B2 (en) * 2014-08-20 2016-06-21 Short Circuit Technologies Llc Split transformer based LC-tank digitally controlled oscillator
CN105577118B (zh) * 2014-11-03 2019-05-21 联咏科技股份有限公司 振荡器、时脉产生器以及时脉信号的产生方法
US9425739B1 (en) * 2015-06-05 2016-08-23 Texas Instruments Incorporated Tunable quadrature oscillator
US10164614B2 (en) 2016-03-31 2018-12-25 Analog Devices Global Unlimited Company Tank circuit and frequency hopping for isolators
JP2018011167A (ja) * 2016-07-13 2018-01-18 日本電信電話株式会社 電圧制御発振器
WO2018023367A1 (zh) * 2016-08-02 2018-02-08 华为技术有限公司 电压波形整形振荡器
CN111756329A (zh) * 2016-11-04 2020-10-09 华为技术有限公司 双模振荡器及多相位振荡器
EP3579407A1 (en) * 2018-06-06 2019-12-11 NXP USA, Inc. Differential voltage-controlled (vco) oscillator
CN110661491B (zh) * 2018-06-29 2024-05-03 台湾积体电路制造股份有限公司 电压控制振荡器、带通滤波器、以及信号产生方法
US10931230B2 (en) * 2018-06-29 2021-02-23 Taiwan Semiconductor Manufacturing Company Ltd. Voltage controlled oscillator circuit, device, and method
US10778145B2 (en) * 2019-01-02 2020-09-15 Mediatek Inc. Magnetically pumped voltage controlled oscillator
US11476837B2 (en) * 2019-07-12 2022-10-18 The United States Of America As Represented By The Secretary Of The Army Active matching network design for electrically small resonant antennas
JP7279795B2 (ja) * 2019-08-05 2023-05-23 日本電信電話株式会社 電圧制御発振器
US11283405B2 (en) * 2020-07-17 2022-03-22 City University Of Hong Kong Oscillator circuit
DE102021125084A1 (de) * 2021-09-28 2023-03-30 Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen, Körperschaft des öffentlichen Rechts Technik zur erweiterung des oszillatorabstimmbereichs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7098737B2 (en) * 2002-05-31 2006-08-29 Kabushiki Kaisha Toshiba Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

Also Published As

Publication number Publication date
US7649424B2 (en) 2010-01-19
US20080174378A1 (en) 2008-07-24

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