EP4211803A4 - Wideband low phase noise digitally controlled oscillator using switched inductors - Google Patents
Wideband low phase noise digitally controlled oscillator using switched inductors Download PDFInfo
- 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
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)
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)
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)
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 |
-
2021
- 2021-01-22 CN CN202180062432.3A patent/CN116210151A/en active Pending
- 2021-01-22 WO PCT/US2021/014629 patent/WO2021097493A1/en unknown
- 2021-01-22 EP EP21725671.8A patent/EP4211803A4/en active Pending
Patent Citations (2)
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)
Title |
---|
See also references of WO2021097493A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN116210151A (en) | 2023-06-02 |
EP4211803A1 (en) | 2023-07-19 |
WO2021097493A1 (en) | 2021-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230406 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240209 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H03L 7/14 20060101ALI20240205BHEP Ipc: H03L 7/04 20060101ALI20240205BHEP Ipc: H03B 5/12 20060101ALI20240205BHEP Ipc: H03B 5/08 20060101ALI20240205BHEP Ipc: H03L 7/099 20060101AFI20240205BHEP |