AU1843400A - Electrically tunable filters with dielectric varactors - Google Patents

Electrically tunable filters with dielectric varactors

Info

Publication number
AU1843400A
AU1843400A AU18434/00A AU1843400A AU1843400A AU 1843400 A AU1843400 A AU 1843400A AU 18434/00 A AU18434/00 A AU 18434/00A AU 1843400 A AU1843400 A AU 1843400A AU 1843400 A AU1843400 A AU 1843400A
Authority
AU
Australia
Prior art keywords
connection point
pass
tunable filters
electrically tunable
voltage tunable
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.)
Abandoned
Application number
AU18434/00A
Other languages
English (en)
Inventor
Luna H. Chiu
Louise C Sengupta
Somnath Sengupta
Steven C. Stowell
Xubai Zhang
Yongfei Zhu
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.)
BlackBerry RF Inc
Original Assignee
Paratek Microwave Inc
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 Paratek Microwave Inc filed Critical Paratek Microwave Inc
Publication of AU1843400A publication Critical patent/AU1843400A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • 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
    • 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
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Filters And Equalizers (AREA)
AU18434/00A 1998-12-11 1999-12-09 Electrically tunable filters with dielectric varactors Abandoned AU1843400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11188898P 1998-12-11 1998-12-11
US60111888 1998-12-11
PCT/US1999/029230 WO2000035042A1 (en) 1998-12-11 1999-12-09 Electrically tunable filters with dielectric varactors

Publications (1)

Publication Number Publication Date
AU1843400A true AU1843400A (en) 2000-06-26

Family

ID=22340979

Family Applications (1)

Application Number Title Priority Date Filing Date
AU18434/00A Abandoned AU1843400A (en) 1998-12-11 1999-12-09 Electrically tunable filters with dielectric varactors

Country Status (11)

Country Link
US (2) US20020186099A1 (enExample)
EP (1) EP1145362B1 (enExample)
JP (1) JP2002532889A (enExample)
KR (1) KR20010080727A (enExample)
CN (1) CN1329762A (enExample)
AT (1) ATE265093T1 (enExample)
AU (1) AU1843400A (enExample)
CA (1) CA2352166A1 (enExample)
DE (1) DE69916660T2 (enExample)
EA (1) EA200100654A1 (enExample)
WO (1) WO2000035042A1 (enExample)

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US8436698B2 (en) * 2009-11-02 2013-05-07 Harris Corporation MEMS-based tunable filter
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US10320357B2 (en) * 2013-03-15 2019-06-11 Wispry, Inc. Electromagnetic tunable filter systems, devices, and methods in a wireless communication network for supporting multiple frequency bands
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Also Published As

Publication number Publication date
CN1329762A (zh) 2002-01-02
EP1145362A1 (en) 2001-10-17
US7145415B2 (en) 2006-12-05
US20050088255A1 (en) 2005-04-28
DE69916660D1 (de) 2004-05-27
EP1145362B1 (en) 2004-04-21
JP2002532889A (ja) 2002-10-02
WO2000035042A1 (en) 2000-06-15
EA200100654A1 (ru) 2001-12-24
KR20010080727A (ko) 2001-08-22
US20020186099A1 (en) 2002-12-12
CA2352166A1 (en) 2000-06-15
DE69916660T2 (de) 2005-04-21
ATE265093T1 (de) 2004-05-15

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase