KR20150053784A - 바이쿼드 캘리브레이션 - Google Patents

바이쿼드 캘리브레이션 Download PDF

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Publication number
KR20150053784A
KR20150053784A KR1020157008638A KR20157008638A KR20150053784A KR 20150053784 A KR20150053784 A KR 20150053784A KR 1020157008638 A KR1020157008638 A KR 1020157008638A KR 20157008638 A KR20157008638 A KR 20157008638A KR 20150053784 A KR20150053784 A KR 20150053784A
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KR
South Korea
Prior art keywords
gain
phase
integrator
mtr6
filter
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.)
Withdrawn
Application number
KR1020157008638A
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English (en)
Korean (ko)
Inventor
데브 브이. 굽타
Original Assignee
뉴랜스, 인코포레이티드.
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Publication date
Application filed by 뉴랜스, 인코포레이티드. filed Critical 뉴랜스, 인코포레이티드.
Publication of KR20150053784A publication Critical patent/KR20150053784A/ko
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0472—Current or voltage controlled filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0433—Two integrator loop filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/0422—Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters
    • H03H11/0455—Multiple integrator loop feedback filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H03H11/1252—Two integrator-loop-filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1291—Current or voltage controlled filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/01—Tuned parameter of filter characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/01—Tuned parameter of filter characteristics
    • H03H2210/012—Centre frequency; Cut-off frequency

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
  • Feedback Control In General (AREA)
  • Networks Using Active Elements (AREA)
  • Transmitters (AREA)
KR1020157008638A 2012-09-05 2013-09-04 바이쿼드 캘리브레이션 Withdrawn KR20150053784A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261697049P 2012-09-05 2012-09-05
US61/697,049 2012-09-05
US201361779390P 2013-03-13 2013-03-13
US61/779,390 2013-03-13
PCT/US2013/057996 WO2014039517A1 (en) 2012-09-05 2013-09-04 Bi-quad calibration

Publications (1)

Publication Number Publication Date
KR20150053784A true KR20150053784A (ko) 2015-05-18

Family

ID=50237571

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020157008638A Withdrawn KR20150053784A (ko) 2012-09-05 2013-09-04 바이쿼드 캘리브레이션

Country Status (6)

Country Link
US (1) US9407240B2 (enExample)
EP (1) EP2880762A4 (enExample)
JP (1) JP2015534331A (enExample)
KR (1) KR20150053784A (enExample)
CN (1) CN104662799A (enExample)
WO (1) WO2014039517A1 (enExample)

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US9647638B2 (en) * 2014-07-15 2017-05-09 Qualcomm Incorporated Architecture to reject near end blockers and transmit leakage

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Also Published As

Publication number Publication date
WO2014039517A1 (en) 2014-03-13
US9407240B2 (en) 2016-08-02
CN104662799A (zh) 2015-05-27
EP2880762A1 (en) 2015-06-10
US20140306777A1 (en) 2014-10-16
EP2880762A4 (en) 2016-03-30
JP2015534331A (ja) 2015-11-26

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Legal Events

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PA0105 International application

Patent event date: 20150403

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid