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CN114586279A - 一种振荡器电路 - Google Patents

一种振荡器电路 Download PDF

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Publication number
CN114586279A
CN114586279A CN201980101598.4A CN201980101598A CN114586279A CN 114586279 A CN114586279 A CN 114586279A CN 201980101598 A CN201980101598 A CN 201980101598A CN 114586279 A CN114586279 A CN 114586279A
Authority
CN
China
Prior art keywords
terminal
inductance
section
oscillator circuit
transconductance amplifier
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
CN201980101598.4A
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English (en)
Inventor
周云芳
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN114586279A publication Critical patent/CN114586279A/zh
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
    • 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
    • H03B5/1237—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
    • H03B5/1296—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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/323—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator having more than two terminals
    • 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
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

本申请提供一种振荡器电路，涉及电子技术领域，用于提高振荡器的性能。所述振荡器电路，包括：放大器，第一跨导放大器和第二跨导放大器；谐振器，包括电容元件和电感元件，电容元件包括第一电容器和第二电容器，电感元件包括抽头式电感器，抽头式电感器包括第一段电感和第二段电感，第一段电感和第二段电感通过第一电容耦合；第一段电感包括第一端子和第二端子；第二段电感包括第三端子和第四端子；第一端子和第二端子分别耦合第一跨导放大器的输入端和输出端；第三端子和第四端子分别耦合第二跨导放大器的输入端和输出端；第一端子和第四端子通过第二电容器耦合。

Description

PCT国内申请，说明书已公开。

Claims (14)

  1. PCT国内申请，权利要求书已公开。
CN201980101598.4A 2019-10-31 2019-10-31 一种振荡器电路 Pending CN114586279A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/114883 WO2021081955A1 (zh) 2019-10-31 2019-10-31 一种振荡器电路

Publications (1)

Publication Number Publication Date
CN114586279A true CN114586279A (zh) 2022-06-03

Family

ID=75714841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980101598.4A Pending CN114586279A (zh) 2019-10-31 2019-10-31 一种振荡器电路

Country Status (4)

Country Link
US (1) US11757405B2 (zh)
EP (1) EP4044426A4 (zh)
CN (1) CN114586279A (zh)
WO (1) WO2021081955A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11770100B2 (en) * 2021-09-24 2023-09-26 Mediatek Inc. Oscillator with tapped inductor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6121850A (en) * 1998-08-19 2000-09-19 International Business Machines Corporation Digitally adjustable inductive element adaptable to frequency tune an LC oscillator
JP5027472B2 (ja) * 2005-11-09 2012-09-19 ルネサスエレクトロニクス株式会社 発振器およびそれを用いた情報機器
US7583156B2 (en) * 2007-05-10 2009-09-01 Texas Instruments Incorporated Oscillator with multi-tap inductor, capacitors, and negative-Gm stages
US7961056B2 (en) * 2009-09-10 2011-06-14 Intel Corporation Low phase noise voltage controlled oscillator
EP2634914B1 (en) * 2012-03-02 2015-01-28 Nxp B.V. An oscillator circuit
US9071193B1 (en) * 2013-10-16 2015-06-30 Cadence Design Systems, Inc. System and method for augmenting frequency tuning resolution in L-C oscillation circuit
US9362893B2 (en) * 2014-06-23 2016-06-07 Analog Devices, Inc. Apparatus and methods for switch-coupled oscillators
US9543891B2 (en) * 2015-04-09 2017-01-10 Texas Instruments Incorporated Low-power low-phase-noise oscillator
US10425038B2 (en) * 2015-10-14 2019-09-24 Mediatek Inc. LC-tank oscillator having intrinsic low-pass filter
US9813023B2 (en) * 2015-12-16 2017-11-07 Silicon Laboratories Inc. Common-mode impedance network for reducing sensitivity in oscillators
US10447204B2 (en) * 2017-09-15 2019-10-15 Qualcomm Incorporated Switchable inductor network for wideband circuits
US10680552B2 (en) * 2017-09-29 2020-06-09 Intel IP Corporation On-chip oscillators including shared inductor

Also Published As

Publication number Publication date
WO2021081955A1 (zh) 2021-05-06
US20220263463A1 (en) 2022-08-18
EP4044426A4 (en) 2022-10-26
EP4044426A1 (en) 2022-08-17
US11757405B2 (en) 2023-09-12

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