EP4211803A4 - Wideband low phase noise digitally controlled oscillator using switched inductors - Google Patents

Wideband low phase noise digitally controlled oscillator using switched inductors Download PDF

Info

Publication number
EP4211803A4
EP4211803A4 EP21725671.8A EP21725671A EP4211803A4 EP 4211803 A4 EP4211803 A4 EP 4211803A4 EP 21725671 A EP21725671 A EP 21725671A EP 4211803 A4 EP4211803 A4 EP 4211803A4
Authority
EP
European Patent Office
Prior art keywords
controlled oscillator
phase noise
digitally controlled
low phase
wideband low
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
EP21725671.8A
Other languages
German (de)
French (fr)
Other versions
EP4211803A1 (en
Inventor
Michael Bushman
Lawrence Connell
Daniel Mccarthy
James Caldwell
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 EP4211803A1 publication Critical patent/EP4211803A1/en
Publication of EP4211803A4 publication Critical patent/EP4211803A4/en
Pending 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
    • H03B5/1237—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
    • H03B5/1262—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 switched elements
    • H03B5/1268—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 switched elements switched inductors
    • 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
    • H03B5/1228—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
    • H03B5/1237—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
    • H03B5/1262—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 switched elements
    • H03B5/1265—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 switched elements switched capacitors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters And Equalizers (AREA)
EP21725671.8A 2020-09-28 2021-01-22 Wideband low phase noise digitally controlled oscillator using switched inductors Pending EP4211803A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063084473P 2020-09-28 2020-09-28
PCT/US2021/014629 WO2021097493A1 (en) 2020-09-28 2021-01-22 Wideband low phase noise digitally controlled oscillator using switched inductors

Publications (2)

Publication Number Publication Date
EP4211803A1 EP4211803A1 (en) 2023-07-19
EP4211803A4 true EP4211803A4 (en) 2024-03-13

Family

ID=75912503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21725671.8A Pending EP4211803A4 (en) 2020-09-28 2021-01-22 Wideband low phase noise digitally controlled oscillator using switched inductors

Country Status (3)

Country Link
EP (1) EP4211803A4 (en)
CN (1) CN116210151A (en)
WO (1) WO2021097493A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8305151B2 (en) * 2009-11-09 2012-11-06 Renesas Electronics Corporation Resonance type oscillation circuit and semiconductor device
US20130296217A1 (en) * 2010-10-21 2013-11-07 Cornell University Oscillator circuit and system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003229718A (en) * 2002-02-01 2003-08-15 Nec Electronics Corp Voltage-controlled oscillator
JP4458754B2 (en) * 2003-03-04 2010-04-28 株式会社ルネサステクノロジ L load differential circuit
TWI336991B (en) * 2007-02-15 2011-02-01 Univ Nat Taiwan Science Tech Injection locked frequency divider
CN102870323B (en) * 2011-12-22 2017-09-19 华为技术有限公司 Pierce circuit and method for producing vibration
US10608583B2 (en) * 2016-09-14 2020-03-31 Qualcomm Incorporated Phase noise reduction techniques for voltage-controlled oscillators (VCOs)
US10355643B2 (en) * 2016-12-15 2019-07-16 Korea Advanced Institute Of Science And Technology Differential Colpitts voltage-controlled oscillator
EP3605839B1 (en) * 2018-07-31 2021-01-13 Stichting IMEC Nederland Improvements in or relating to colpitts oscillators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8305151B2 (en) * 2009-11-09 2012-11-06 Renesas Electronics Corporation Resonance type oscillation circuit and semiconductor device
US20130296217A1 (en) * 2010-10-21 2013-11-07 Cornell University Oscillator circuit and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021097493A1 *

Also Published As

Publication number Publication date
EP4211803A1 (en) 2023-07-19
CN116210151A (en) 2023-06-02
WO2021097493A1 (en) 2021-05-20

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