SG55428A1 - Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same - Google Patents

Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same

Info

Publication number
SG55428A1
SG55428A1 SG1997004236A SG1997004236A SG55428A1 SG 55428 A1 SG55428 A1 SG 55428A1 SG 1997004236 A SG1997004236 A SG 1997004236A SG 1997004236 A SG1997004236 A SG 1997004236A SG 55428 A1 SG55428 A1 SG 55428A1
Authority
SG
Singapore
Prior art keywords
voltage
circuit module
frequency circuit
controlled variable
passband filter
Prior art date
Application number
SG1997004236A
Other languages
English (en)
Inventor
Yoichi Tsuda
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of SG55428A1 publication Critical patent/SG55428A1/en

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
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20336—Comb or interdigital filters
    • H01P1/20345—Multilayer 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
    • H01P1/2088—Integrated in a substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/08—Strip line resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Filters And Equalizers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Networks Using Active Elements (AREA)
  • Transceivers (AREA)
SG1997004236A 1996-11-19 1997-11-14 Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same SG55428A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30804396 1996-11-19
JP9228581A JPH10209714A (ja) 1996-11-19 1997-08-25 電圧制御通過帯域可変フィルタおよびそれを用いる高周波回路モジュール

Publications (1)

Publication Number Publication Date
SG55428A1 true SG55428A1 (en) 1998-12-21

Family

ID=26528341

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997004236A SG55428A1 (en) 1996-11-19 1997-11-14 Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same

Country Status (9)

Country Link
US (1) US6018282A (ja)
EP (1) EP0843374B1 (ja)
JP (1) JPH10209714A (ja)
KR (1) KR100295378B1 (ja)
CN (1) CN1115739C (ja)
DE (1) DE69720652T2 (ja)
MY (1) MY117007A (ja)
SG (1) SG55428A1 (ja)
TW (1) TW355853B (ja)

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Also Published As

Publication number Publication date
CN1188994A (zh) 1998-07-29
KR100295378B1 (ko) 2001-07-12
DE69720652D1 (de) 2003-05-15
TW355853B (en) 1999-04-11
EP0843374A3 (en) 1998-10-28
CN1115739C (zh) 2003-07-23
JPH10209714A (ja) 1998-08-07
MY117007A (en) 2004-04-30
US6018282A (en) 2000-01-25
DE69720652T2 (de) 2004-02-12
KR19980042387A (ko) 1998-08-17
EP0843374A2 (en) 1998-05-20
EP0843374B1 (en) 2003-04-09

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